Luca

What Luca means

Form of Lucy, meaning “light”

equivalent of Lucy || From Middle English Lucy, from Old French Lucie (notably after the Christian martyr Lucia of Syracuse), from Latin Lucia (feminine of Lucius, a Roman praenomen), from lux (“light”).

Source: Wiktionary, “Luca” (revision 93602278) and “Lucy” (revision 94541266), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Luca?

US: Rising: up from #157 in 2015. England & Wales: Rising: up from #53 in 2015.

Biggest US share so far: 2025, when 8,759 boys got the name (#14 that year). First in the US records in 1915.

How common

• About 1 in 195 baby boys in the US in 2025
• About 1 in 83 baby boys in England and Wales in 2025
• About 1 in 65 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 RI (15.36 per 1,000 boys), HI (14.39 per 1,000 boys), CT (11.59 per 1,000 boys) in 2025.

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

US vs UK

Luca is #14 in the US and #4 in England & Wales (2025).

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

Boy or girl?

In 2025, 99.3% of US babies named Luca were boys.

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

How to say it

IPA from Wiktionary.

Other spellings parents chose in 2025

• Luka3,873 US · 177 E&W
• Lucky108 US · 12 E&W
• Lukah62 US
• Lucah36 US · 7 E&W
• Louka17 US · 4 E&W
• Lukka15 US
• Lucki8 US
• Lukai6 US

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 Luca

Boys

• Enzo#72“home + ruler”^*
• Leonardo#91Italian, from Old French Leonard, meaning “as strong as a lion”^*
• Mateo#8Same root as Matthew, meaning “gift of the Lord”^*
• Alessandro#497Italian form of Alexander, meaning “to defend + man”^*
• Maximo#580Editor’s note Up from #853 in 2015 to #580 in 2025 in the US
• Vincenzo#674Italian form of Vincent, meaning “conquering”^*

For a sister

• Valentina#35Same root as Valentine, meaning “strong, healthy”^*
• Luciana#273Editor’s note More popular in the US than England & Wales: #273 vs #1,809 in 2025
• Alessia#326Editor’s note First shows up in US records in 1967, with 9 babies
• Elena#42Editor’s note Climbing fast in the US: #106 in 2015, #42 in 2025. 5 letters, starting with a vowel
• Gia#287Editor’s note Up from #372 in 2015 to #287 in 2025 in the US
• Gemma#170“jewel”^*

Picked from the US top 1,000 in 2025: names Wiktionary also files under Spanish & Italian, whose US popularity since 1990 rose and fell most like Luca’s. Rank is US 2025.