Lucas Boy
How popular is Lucas?
#10 boy name in 2025
10,219 baby boys were named Lucas in the US in 2025, making it the 10th most popular boy name. Another 9 girls got the name (#10,104 for girls).
Lucas popularity over time
Boys Girls
| Rank in 2025 | #10 for boys (▼ 1 from 2024) |
|---|---|
| Babies in 2025 | 10,219 boys, 9 girls |
| 10-year trend | Falling (-17% babies vs 2015) |
| Earlier ranks | #16 in 2015, #8 in 2020 |
| Peak year | 2017 (13,032 boys) |
| Highest rank | #8 in 2018 (5 years at that rank) |
| First recorded | 1881 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 7% in a class of 25 kids born in 2025 |
Lucas counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Lucas family of names ranked #10 for boys in 2025 (#8 the year before), with 11,474 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Lucas | 10,219 | 89% |
| Lukas | 1,161 | 10% |
| Luccas | 48 | 0% |
| Lukasz | 23 | 0% |
| Lucus | 11 | 0% |
| Lukus | 12 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Lucas is most popular
Babies named Lucas per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Rhode Island: 14.7 per 1,000 (239 boys)
- New Hampshire: 12.3 per 1,000 (272 boys)
- Wyoming: 12.1 per 1,000 (70 boys)
- Delaware: 11.2 per 1,000 (170 boys)
- Connecticut: 10.8 per 1,000 (732 boys)
Lucas by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 41 | #533 |
| 1890s | 67 | #650 |
| 1900s | 55 | #910 |
| 1910s | 286 | #918 |
| 1920s | 403 | #976 |
| 1930s | 254 | #1,148 |
| 1940s | 256 | #1,235 |
| 1950s | 339 | #974 |
| 1960s | 857 | #707 |
| 1970s | 8,817 | #108 |
| 1980s | 26,088 | #88 |
| 1990s | 38,178 | #90 |
| 2000s | 70,995 | #39 |
| 2010s | 118,661 | #8 |
| 2020s | 65,795 | #8 |
Boy names about as popular as Lucas
Questions
- Is Lucas a boy or girl name?
- Lucas is mostly a boy name. Over the last 10 years, 100% of babies named Lucas were boys.
- How popular is the name Lucas?
- 10,219 baby boys were named Lucas in the US in 2025, making it the 10th most popular boy name. Another 9 girls got the name (#10,104 for girls).
- When was Lucas most popular?
- Lucas peaked in 2017, when 13,032 boys were given the name. Its highest rank was #8, held for 5 years starting in 2018.
- How many people are named Lucas?
- 331,628 babies have been named Lucas in the US since 1880. We estimate about 324,866 of them are alive in 2026, with a median age of 14.
- Where is Lucas most popular?
- From 2021 to 2025, Lucas was most common in Rhode Island, at 14.7 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.