BabyNamesMap

Lists

Names starting with O

The 50 most given girls’ and boys’ names starting with O in 2025.

Girls · US 2025

  1. #1Olivia“olive; olive branch”13,544 babies
  2. #153OaklynnEditor’s note More popular in the US than England & Wales: #153 vs #4,867 in 20251,964 babies
  3. #156Oakley“oak + woodland clearing, glade”1,933 babies
  4. #197OliveEditor’s note More popular in England & Wales than the US: #47 vs #197 in 20251,597 babies
  5. #264Opheliapossibly “help, aid, succour”1,183 babies
  6. #308Octavia“the eighth”982 babies
  7. #423OpalEditor’s note Climbing fast in the US: #1,110 in 2015, #423 in 2025740 babies
  8. #535OakleeEditor’s note More popular in the US than England & Wales: #535 vs #4,201 in 2025565 babies
  9. #637OaklynVariant of Oakley, meaning “oak + woodland clearing, glade”456 babies
  10. #666OakleighEditor’s note More popular in the US than England & Wales: #666 vs #2,006 in 2025423 babies
  11. #785Ocean“sea”345 babies
  12. #881OdetteFrench, meaning “riches”303 babies
  13. #1,192OdessaEditor’s note Climbing fast in the US: #2,431 in 2015, #1,192 in 2025193 babies
  14. #1,406OnyxEditor’s note Climbing fast in the US: #3,915 in 2015, #1,406 in 2025155 babies
  15. #1,777OrianaEditor’s note First shows up in US records in 1966, with 8 babies113 babies
  16. #2,139OfeliaEditor’s note About 1 in 18,000 US girls in the 2025 records87 babies
  17. #2,194OlympiaEditor’s note 7 letters, ending in -ia like Olivia and Amelia84 babies
  18. #2,276Ollie“olive tree”80 babies
  19. #2,514Orla“golden princess”70 babies
  20. #2,514OzzyEditor’s note New since 2015: under 5 US babies then, 70 in 202570 babies
  21. #2,751OonaEditor’s note About 1 in 26,000 US girls in the 2025 records62 babies
  22. #2,933OttilieEditor’s note More popular in England & Wales than the US: #55 vs #2,933 in 202557 babies
  23. #2,957OdeliaEditor’s note 6 letters, ending in -ia like Olivia and Amelia56 babies
  24. #3,028OaklieEditor’s note First shows up in US records in 2002, with 5 babies54 babies
  25. #3,067OriannaEditor’s note About 1 in 30,000 US girls in the 2025 records53 babies
  26. #3,167Olga“holy; inviolable, sacred”50 babies
  27. #3,249OaklandEditor’s note Used for both: 23% of US babies named Oakland in 2025 were girls48 babies
  28. #3,249OlyviaEditor’s note First shows up in US records in 1982, with 6 babies48 babies
  29. #3,517OceanaEditor’s note About 1 in 37,000 US girls in the 2025 records43 babies
  30. #3,645OzzieEditor’s note Used for both: 25% of US babies named Ozzie in 2025 were girls41 babies
  31. #3,712October“eighth month”40 babies
  32. #3,712OhanaEditor’s note First shows up in US records in 2003, with 8 babies40 babies
  33. #3,712OraDiminutive of Aurelia, meaning “golden”40 babies
  34. #3,780OdalysEditor’s note Peaked in the US in 1996, with 322 babies; 39 in 202539 babies
  35. #4,067OumouEditor’s note First shows up in US records in 1996, with 6 babies35 babies
  36. #4,265OlaniEditor’s note First shows up in US records in 2012, with 6 babies33 babies
  37. #4,265OwenEditor’s note 4 letters, ending in -en like Eden and Haven33 babies
  38. #4,460OriEditor’s note Used for both: 29% of US babies named Ori in 2025 were girls31 babies
  39. #4,661OrlyEditor’s note First shows up in US records in 1964, with 5 babies29 babies
  40. #4,878OdysseyEditor’s note First shows up in US records in 1982, with 10 babies27 babies
  41. #4,987OlivetteEditor’s note 8 letters, ending in -te like Charlotte and Juliette26 babies
  42. #5,099OriyahEditor’s note First shows up in US records in 2007, with 5 babies25 babies
  43. #5,238OliverEditor’s note 6 letters, ending in -er like Harper and Juniper24 babies
  44. #5,410OaklynneEditor’s note First shows up in US records in 2017, with 5 babies23 babies
  45. #5,410OasisEditor’s note First shows up in US records in 1995, with 8 babies23 babies
  46. #5,410OlennaEditor’s note First shows up in US records in 2017, with 9 babies23 babies
  47. #5,554OrliEditor’s note First shows up in US records in 1974, with 6 babies22 babies
  48. #5,722OlenaEditor’s note 5 letters, ending in -na like Eliana and Luna21 babies
  49. #5,722OlivianaEditor’s note First shows up in US records in 2001, with 6 babies21 babies
  50. #5,722OnaEditor’s note Peaked in the US in 1916, with 185 babies; 21 in 202521 babies

Boys · US 2025

  1. #3OliverEditor’s note Up from #19 in 2015 to #3 in 2025 in the US. About 1 in 110 US boys in the 2025 records14,939 babies
  2. #31OwenEditor’s note More popular in the US than England & Wales: #31 vs #170 in 20257,190 babies
  3. #223OscarEditor’s note Down from #181 in 2015 to #223 in 2025 in the US1,620 babies
  4. #260OmarEditor’s note Down from #217 in 2015 to #260 in 2025 in the US1,333 babies
  5. #277Otto“wealth, riches”1,241 babies
  6. #334Orionpossibly “heaven's light”1,012 babies
  7. #365OnyxEditor’s note Climbing fast in the US: #1,416 in 2015, #365 in 2025881 babies
  8. #454Oakley“oak + woodland clearing, glade”688 babies
  9. #501OdinEditor’s note Down from #444 in 2015 to #501 in 2025 in the US604 babies
  10. #548OzzyEditor’s note Climbing fast in the US: #2,001 in 2015, #548 in 2025548 babies
  11. #652OtisEditor’s note More popular in England & Wales than the US: #71 vs #652 in 2025422 babies
  12. #686OmariEditor’s note Down from #508 in 2015 to #686 in 2025 in the US397 babies
  13. #707OziasEditor’s note Climbing fast in the US: #2,412 in 2015, #707 in 2025381 babies
  14. #717Ocean“sea”375 babies
  15. #871OrlandoSame root as Roland, meaning “fame-land”275 babies
  16. #996OzielEditor’s note 229 US babies in 2025, but under 3 in England & Wales229 babies
  17. #1,056Ollie“olive tree”207 babies
  18. #1,075OsirisEditor’s note First shows up in US records in 1970, with 7 babies200 babies
  19. #1,156Osman“a god + protection, hand”181 babies
  20. #1,183Oren“pine tree”174 babies
  21. #1,244OaklandEditor’s note Climbing fast in the US: #3,149 in 2015, #1,244 in 2025160 babies
  22. #1,276OctavioSpanish, meaning “pronoun genitive”154 babies
  23. #1,401OsvaldoItalian and Portuguese form of Oswald, meaning “god, deity + power”130 babies
  24. #1,425OrsonEditor’s note More popular in England & Wales than the US: #379 vs #1,425 in 2025126 babies
  25. #1,451OsielEditor’s note 123 US babies in 2025, but under 3 in England & Wales123 babies
  26. #1,451OzzieEditor’s note Used for both: 75% of US babies named Ozzie in 2025 were boys123 babies
  27. #1,621Obadiah“servant of Yahweh”104 babies
  28. #1,743OskarEditor’s note More popular in England & Wales than the US: #349 vs #1,743 in 202593 babies
  29. #1,753OrhanTurkish, meaning “administrator of a city”92 babies
  30. #1,826OziahEditor’s note First shows up in US records in 2006, with 7 babies87 babies
  31. #1,837OlinEditor’s note 4 letters, ending in -in like Benjamin and Austin86 babies
  32. #1,852OrinEditor’s note About 1 in 20,000 US boys in the 2025 records85 babies
  33. #1,959OsloEditor’s note First shows up in US records in 2007, with 7 babies78 babies
  34. #1,992OriEditor’s note Used for both: 71% of US babies named Ori in 2025 were boys76 babies
  35. #2,006OakleeEditor’s note First shows up in US records in 2009, with 6 babies75 babies
  36. #2,020OdenEditor’s note 4 letters, ending in -en like Owen and Aiden74 babies
  37. #2,056Obed“servant”72 babies
  38. #2,056Octavius“Roman praenomen and nomen”72 babies
  39. #2,091OmerEditor’s note Peaked in the US in 1918, with 234 babies; 70 in 202570 babies
  40. #2,145Oswald“god, deity + power”67 babies
  41. #2,167OlsenEditor’s note First shows up in US records in 1989, with 5 babies66 babies
  42. #2,167OmEditor’s note First shows up in US records in 1983, with 5 babies66 babies
  43. #2,258OaklenEditor’s note First shows up in US records in 2011, with 5 babies62 babies
  44. #2,258OrrinEditor’s note About 1 in 28,000 US boys in the 2025 records62 babies
  45. #2,332OakEditor’s note 3 letters, ending in -ak like Yitzchak and Isaak59 babies
  46. #2,332OsmarEditor’s note First shows up in US records in 1973, with 5 babies59 babies
  47. #2,421OakesEditor’s note First shows up in US records in 2012, with 6 babies56 babies
  48. #2,480OsheaEditor’s note First shows up in US records in 1986, with 20 babies54 babies
  49. #2,480OsiahEditor’s note First shows up in US records in 1999, with 5 babies54 babies
  50. #2,539OlivierEditor’s note More popular in England & Wales than the US: #976 vs #2,539 in 202552 babies

Girls · England & Wales 2025

  1. #1Olivia“olive; olive branch”2,386 babies
  2. #47OliveEditor’s note More popular in England & Wales than the US: #47 vs #197 in 2025892 babies
  3. #55OttilieEditor’s note More popular in England & Wales than the US: #55 vs #2,933 in 2025782 babies
  4. #64Orla“golden princess”721 babies
  5. #81Opheliapossibly “help, aid, succour”578 babies
  6. #306Ocean“sea”143 babies
  7. #502Octavia“the eighth”80 babies
  8. #596OrlaithEditor’s note Down from #525 in 2015 to #596 in 2025 in England & Wales65 babies
  9. #622OpalEditor’s note Climbing fast in England & Wales: #3,252 in 2015, #622 in 202563 babies
  10. #792OliwiaPolish form of Olivia, meaning “olive; olive branch”46 babies
  11. #845Olivia-RoseEditor’s note Down from #508 in 2015 to #845 in 2025 in England & Wales42 babies
  12. #872OdetteFrench, meaning “riches”40 babies
  13. #922OlympiaEditor’s note Climbing fast in England & Wales: #1,961 in 2015, #922 in 202538 babies
  14. #1,133Oakley“oak + woodland clearing, glade”29 babies
  15. #1,166OrianaEditor’s note 6 letters, ending in -na like Sienna and Luna28 babies
  16. #1,166OrlaghEditor’s note 6 letters, ending in -gh like Everleigh and Clodagh28 babies
  17. #1,197OttillieEditor’s note About 1 in 9,400 England & Wales girls in the 2025 records27 babies
  18. #1,229OluwadarasimiEditor’s note More popular in England & Wales than the US: #1,229 vs #8,362 in 202526 babies
  19. #1,271OluwatamiloreEditor’s note More popular in England & Wales than the US: #1,271 vs #8,860 in 202525 babies
  20. #1,454OttieEditor’s note 5 letters, ending in -ie like Elsie and Rosie21 babies
  21. #1,512OonaEditor’s note About 1 in 13,000 England & Wales girls in the 2025 records20 babies
  22. #1,584Olivia-GraceEditor’s note About 1 in 13,000 England & Wales girls in the 2025 records19 babies
  23. #1,584Olivia-MaeEditor’s note About 1 in 13,000 England & Wales girls in the 2025 records19 babies
  24. #1,639OlaedoEditor’s note More popular in England & Wales than the US: #1,639 vs #11,932 in 202518 babies
  25. #1,719OlannaEditor’s note More popular in England & Wales than the US: #1,719 vs #5,917 in 202517 babies
  26. #1,719OluwanifemiEditor’s note More popular in England & Wales than the US: #1,719 vs #14,942 in 202517 babies
  27. #2,006OakleighEditor’s note More popular in the US than England & Wales: #666 vs #2,006 in 202514 babies
  28. #2,006OcieEditor’s note About 1 in 18,000 England & Wales girls in the 2025 records14 babies
  29. #2,006OhemaaEditor’s note About 1 in 18,000 England & Wales girls in the 2025 records14 babies
  30. #2,138Ophelia-RoseEditor’s note About 1 in 19,000 England & Wales girls in the 2025 records13 babies
  31. #2,278OceanaEditor’s note About 1 in 21,000 England & Wales girls in the 2025 records12 babies
  32. #2,278OdeliaEditor’s note 6 letters, ending in -ia like Olivia and Amelia12 babies
  33. #2,278OlwenWelsh, meaning “footprint + white, fair”12 babies
  34. #2,278Orla-RoseEditor’s note About 1 in 21,000 England & Wales girls in the 2025 records12 babies
  35. #2,440OhanaEditor’s note About 1 in 23,000 England & Wales girls in the 2025 records11 babies
  36. #2,440OlaEditor’s note 3 letters, ending in -la like Isla and Isabella11 babies
  37. #2,440OonaghEditor’s note About 1 in 23,000 England & Wales girls in the 2025 records11 babies
  38. #2,605OttiliaEditor’s note About 1 in 25,000 England & Wales girls in the 2025 records10 babies
  39. #2,788OaklynVariant of Oakley, meaning “oak + woodland clearing, glade”9 babies
  40. #2,788Ocean-RoseEditor’s note 10 letters, ending in -se like Rose and Eloise9 babies
  41. #2,788OceaneEditor’s note 6 letters, ending in -ne like Jasmine and Daphne9 babies
  42. #2,788Olivia-RaeEditor’s note About 1 in 28,000 England & Wales girls in the 2025 records9 babies
  43. #2,788OluwademiladeEditor’s note 13 letters, ending in -de like Adelaide and Jade9 babies
  44. #2,788OluwatoniEditor’s note 9 letters, ending in -ni like Joni and Leni9 babies
  45. #2,788OmayaEditor’s note 5 letters, ending in -ya like Freya and Maya9 babies
  46. #2,788OreliaEditor’s note 6 letters, ending in -ia like Olivia and Amelia9 babies
  47. #2,788OreoluwaEditor’s note 8 letters, ending in -wa like Hawa and Marwa9 babies
  48. #3,035OlamideEditor’s note About 1 in 32,000 England & Wales girls in the 2025 records8 babies
  49. #3,035OlimpiaEditor’s note About 1 in 32,000 England & Wales girls in the 2025 records8 babies
  50. #3,035Olivia-MayEditor’s note 10 letters, ending in -ay like May and Sunday8 babies

Boys · England & Wales 2025

  1. #6OliverEditor’s note Down from #1 in 2015 to #6 in 2025 in England & Wales. 6 letters, starting with a vowel3,154 babies
  2. #8OscarEditor’s note More popular in England & Wales than the US: #8 vs #223 in 20252,798 babies
  3. #33Oakley“oak + woodland clearing, glade”1,377 babies
  4. #71OtisEditor’s note Climbing fast in England & Wales: #258 in 2015, #71 in 2025726 babies
  5. #117Otto“wealth, riches”444 babies
  6. #123Ollie“olive tree”412 babies
  7. #157OmarEditor’s note Up from #217 in 2015 to #157 in 2025 in England & Wales332 babies
  8. #170OwenEditor’s note More popular in the US than England & Wales: #31 vs #170 in 2025298 babies
  9. #191OzzyEditor’s note Climbing fast in England & Wales: #1,159 in 2015, #191 in 2025264 babies
  10. #274OsianEditor’s note Steady in England & Wales: #292 in 2015 and #274 in 2025165 babies
  11. #348OrhanTurkish, meaning “administrator of a city”122 babies
  12. #349OskarEditor’s note More popular in England & Wales than the US: #349 vs #1,743 in 2025121 babies
  13. #370Orionpossibly “heaven's light”113 babies
  14. #379OrsonEditor’s note Up from #472 in 2015 to #379 in 2025 in England & Wales109 babies
  15. #452OrlandoSame root as Roland, meaning “fame-land”85 babies
  16. #462OdinEditor’s note Up from #692 in 2015 to #462 in 2025 in England & Wales84 babies
  17. #474Osman“a god + protection, hand”82 babies
  18. #517OisinVariant of Ossian, meaning “deer”75 babies
  19. #668OllyDiminutive of Olivia, meaning “olive; olive branch”54 babies
  20. #668OmariEditor’s note Up from #856 in 2015 to #668 in 2025 in England & Wales54 babies
  21. #702OvieEditor’s note More popular in England & Wales than the US: #702 vs #8,243 in 202550 babies
  22. #728OmerEditor’s note More popular in England & Wales than the US: #728 vs #2,091 in 202548 babies
  23. #811OzzieEditor’s note Up from #1,442 in 2015 to #811 in 2025 in England & Wales40 babies
  24. #873Ocean“sea”36 babies
  25. #934OliwierEditor’s note Cooling off in England & Wales: #442 in 2015, #934 in 202533 babies
  26. #976OlivierEditor’s note Peaked in England & Wales in 2010, with 175 babies; 31 in 202531 babies
  27. #976OnyxEditor’s note Climbing fast in England & Wales: #3,908 in 2015, #976 in 202531 babies
  28. #976OziasEditor’s note New since 2015: under 3 England & Wales babies then, 31 in 202531 babies
  29. #1,035Oren“pine tree”29 babies
  30. #1,035OrinEditor’s note About 1 in 9,400 England & Wales boys in the 2025 records29 babies
  31. #1,066ObiEditor’s note Climbing fast in England & Wales: #2,150 in 2015, #1,066 in 202528 babies
  32. #1,066OwaisEditor’s note More popular in England & Wales than the US: #1,066 vs #3,036 in 202528 babies
  33. #1,093ObieDiminutive of Obadiah, meaning “servant of Yahweh”27 babies
  34. #1,093Oswald“god, deity + power”27 babies
  35. #1,226OliEditor’s note More popular in England & Wales than the US: #1,226 vs #5,861 in 202523 babies
  36. #1,276ObaloluwaEditor’s note Climbing fast in England & Wales: #4,747 in 2015, #1,276 in 202522 babies
  37. #1,307OaklenEditor’s note About 1 in 13,000 England & Wales boys in the 2025 records21 babies
  38. #1,307OdhranIrish, from Old Irish Odrán, meaning “dun”21 babies
  39. #1,359Oakley-JamesEditor’s note Climbing fast in England & Wales: #3,373 in 2015, #1,359 in 202520 babies
  40. #1,466OsloEditor’s note About 1 in 15,000 England & Wales boys in the 2025 records18 babies
  41. #1,466OwainEditor’s note Peaked in England & Wales in 2000, with 139 babies; 18 in 202518 babies
  42. #1,538OluwatobilobaEditor’s note About 1 in 16,000 England & Wales boys in the 2025 records17 babies
  43. #1,538Oran“dun, sallow”17 babies
  44. #1,538OthnielEditor’s note About 1 in 16,000 England & Wales boys in the 2025 records17 babies
  45. #1,613ObinnaEditor’s note More popular in England & Wales than the US: #1,613 vs #5,608 in 202516 babies
  46. #1,705ObrempongEditor’s note More popular in England & Wales than the US: #1,705 vs #10,695 in 202515 babies
  47. #1,705OluwadunsinEditor’s note About 1 in 18,000 England & Wales boys in the 2025 records15 babies
  48. #1,705OluwatamiloreEditor’s note 13 letters, ending in -re like Theodore and Andre15 babies
  49. #1,705OmEditor’s note 2 letters, ending in -om like Tom and Vyom15 babies
  50. #1,705OzanEditor’s note More popular in England & Wales than the US: #1,705 vs #5,399 in 202515 babies

Counts and ranks: US Social Security Administration (2025, names given to 5 or more babies) and Office for National Statistics (2025, names given to 3 or more babies). US ranks are worked out from the counts, with ties sharing a rank; England & Wales ranks are as published. Meanings, where shown, are from Wiktionary (CC BY-SA 4.0).