How old is someone named Lucas?
The average Lucas is 18 years old.
Half of all living Lucases are between 8 and 24.
When was Lucas popular?
Lucas is a modern favorite: it climbed through the 2000s and hit its high in 2017. 10,228 babies got the name in 2025.
Popular names of 2017 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 55 | 0 |
| 1910s | 286 | 0 |
| 1920s | 403 | 0 |
| 1930s | 254 | under 100 |
| 1940s | 256 | 110 |
| 1950s | 339 | 230 |
| 1960s | 857 | 700 |
| 1970s | 8,859 | 8,100 |
| 1980s | 26,214 | 25,000 |
| 1990s | 38,242 | 37,000 |
| 2000s | 71,114 | 70,000 |
| 2010s | 118,790 | 120,000 |
| 2020s | 65,851 | 65,000 |
How many Lucases are still alive?
About 320,000 Lucases are alive in the US today. That's 98% of the roughly 330,000 babies named Lucas since 1881.
Nearly every Lucas ever born is still alive, because almost all of them are young.
What generation is the name Lucas?
About half of living Lucases are in Gen Alpha, born in 2013 or later.
- Gen X 4%
- Millennial 14%
- Gen Z 35%
- Gen Alpha 47%
Is Lucas an old name?
No. Lucas is one of the youngest names around: younger than 76 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Lucas will be 31 in 2056, so the name is aging slowly.
Is Lucas a boy or girl name?
Almost entirely boys: 99.8% of living Lucases are men.
Names the same age as Lucas
NAME TWIN
Lucas's name twin is Liliana. Of all 3,713 names on AgeByName, Liliana's age curve is the closest match to Lucas's: 94% alike.
Other spellings: Lukas (16)
Compare: Lucas vs. Luke · Lucas vs. Lukas
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Questions about the name Lucas
How old is the average Lucas?
The average Lucas in the US is 18 years old. The median is 14, so half are older and half younger.
How many people are named Lucas?
About 320,000 Lucases are alive in the US today, out of roughly 330,000 babies given the name since 1881.
When was the name Lucas most popular?
In 2017, when about 13,000 baby boys were named Lucas.
Is Lucas a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 47% of living Lucases, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this