Boys' name · peaked in 2017
Lucas name popularity since 1925
330,958 babies born in the US from 1925 to 2025 were named Lucas. Half of them were born in 2011 or earlier, so the typical Lucas is about 15 years old in 2026. Lucas peaked in 2017 as the #11 name for boys, and it ranked #10 in 2025.
Key facts
- US babies since 1925
- 330,958
- Named Lucas, 1925–2025
- In 2025
- #10
- for boys in 2025 (10,219 babies)
- Girls / boys
- 99.8% boys
- 536 girls · 330,422 boys
- Most popular in
- Alaska
- 1.80× its national share
Peak year is the year Lucas made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Lucas births per year, 1925–2025
2017 was the biggest year for Lucas both by count and as a share of all babies.
- Fastest rise: Between 1970 and 1975, Lucas became 6.6× more common, from 1 in 11,600 baby boys to 1 in 1,750.
- Steepest fall: Between 1981 and 1986, its share of baby boys fell by 37%, from 1 in 531 to 1 in 838.
Shaded on the chart. Both compare Lucas's share of all US boys five years apart, counting only years with at least 100 babies named Lucas.
Decade by decade
Babies named Lucas in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 182 | – |
| 1930s | 0 | 254 | #1,155 |
| 1940s | 0 | 256 | #1,366 |
| 1950s | 0 | 339 | #1,330 |
| 1960s | 0 | 857 | #823 |
| 1970s | 42 | 8,817 | #231 |
| 1980s | 126 | 26,088 | #122 |
| 1990s | 64 | 38,178 | #91 |
| 2000s | 119 | 70,995 | #58 |
| 2010s | 129 | 118,661 | #16 |
| 2020–25 | 56 | 65,795 | #10 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
46.3% of babies named Lucas from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Lucas is most popular
The index compares Lucas's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Lucas.
| State | Index | Babies |
|---|---|---|
| Alaska | 1.80× | 888 |
| Florida | 1.74× | 20,855 |
| Nevada | 1.68× | 1,993 |
| New Hampshire | 1.66× | 1,741 |
| Washington | 1.46× | 8,114 |
Other spellings
Spellings that sound like Lucas and were given to at least 1,000 boys from 1925 to 2025, with the year each one was most popular.
| Spelling | Boys | Peak year |
|---|---|---|
| Lucas (this page) | 330,422 | 2017 |
| Lukas | 44,053 | 2019 |
| Lucus | 1,779 | 1980 |
Names with a similar story
Of the other 499 names on this site, these six had the share of babies closest in shape to Lucas's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Lucas.
Names from the same era
Other common names that peaked within two years of Lucas (2017).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data