Rio

What Rio means

Meaning not yet sourced. Wiktionary has no word-by-word meaning for Rio yet, and we don’t write our own.

Editor’s note Climbing fast in the US: #1,567 in 2015, #532 in 2025 Worked out from the official US and England & Wales counts, not a meaning.

How popular is Rio?

US: Rising: up from #1567 in 2015. England & Wales: Rising: up from #267 in 2015.

Biggest US share so far: 2024, when 593 boys got the name (#517 that year). First in the US records in 1920.

How common

• About 1 in 3,034 baby boys in the US in 2025
• About 1 in 892 baby boys in England and Wales in 2025
• About 1 in 595 baby boys in Scotland in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in DC (2.37 per 1,000 boys), NM (1.23 per 1,000 boys), CA (0.66 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Rio is #532 in the US and #166 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 84.3% of US babies named Rio were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

How to say it

Wiktionary only lists the US pronunciation so far.

IPA from Wiktionary.

Other spellings parents chose in 2025

• Reo12 US · 25 E&W
• Rue10 US · 18 E&W
• Rua0 US · 5 E&W

Names that sound the same and differ by a letter or two, with baby counts for the same sex. US and E&W counts.

If you like Rio

Boys

• Shiloh#278Editor’s note Used for both: 53% of US babies named Shiloh in 2025 were boys
• Baker#217From a surname for “a baker, or owner of a communal oven”^*
• Theo#82Editor’s note Climbing fast in the US: #405 in 2015, #82 in 2025
• Myles#100Editor’s note Climbing fast in the US: #223 in 2015, #100 in 2025
• Brooks#64Variant of Brook, meaning “swamp, marsh”^*
• Nico#174Diminutive of Nicholas, meaning “victory + people”^*

For a sister

• Alora#195“my dream”^*
• Iris#61“rainbow”^*
• Ruth#173Editor’s note Peaked in the US in 1920, with 26,102 babies; 1,781 in 2025
• Magnolia#124Editor’s note Climbing fast in the US: #634 in 2015, #124 in 2025
• Margot#102Editor’s note Climbing fast in the US: #592 in 2015, #102 in 2025
• Catalina#111Editor’s note Climbing fast in the US: #325 in 2015, #111 in 2025

Picked from the US top 1,000 in 2025: names Wiktionary also files under where there are enough, topped up with common names whose US popularity since 1990 rose and fell most like Rio’s. Place names are only included if they are in the top 300. Rank is US 2025.