Boys' name · peaked in 1951
Thomas name popularity since 1925
2,129,694 babies born in the US from 1925 to 2025 were named Thomas. Half of them were born in 1959 or earlier, so the typical Thomas is about 67 years old in 2026. Thomas peaked in 1951 as the #8 name for boys, and it ranked #34 in 2025.
Key facts
- US babies since 1925
- 2,129,694
- Named Thomas, 1925–2025
- In 2025
- #34
- for boys in 2025 (6,917 babies)
- Girls / boys
- 99.7% boys
- 7,331 girls · 2,122,363 boys
- Most popular in
- Connecticut
- 1.54× its national share
Peak year is the year Thomas 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.
Thomas births per year, 1925–2025
The biggest year by count was 1952. Measured as a share of all babies, Thomas peaked in 1951.
Decade by decade
Babies named Thomas 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 | 568 | 83,161 | – |
| 1930s | 832 | 183,878 | #9 |
| 1940s | 962 | 350,775 | #8 |
| 1950s | 954 | 454,385 | #8 |
| 1960s | 1,182 | 327,055 | #9 |
| 1970s | 1,117 | 186,739 | #20 |
| 1980s | 1,150 | 177,817 | #25 |
| 1990s | 286 | 146,638 | #27 |
| 2000s | 155 | 102,106 | #40 |
| 2010s | 83 | 70,027 | #51 |
| 2020–25 | 42 | 39,782 | #34 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
38.1% of babies named Thomas from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Thomas is most popular
The index compares Thomas'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 Thomas.
| State | Index | Babies |
|---|---|---|
| Connecticut | 1.54× | 35,762 |
| Rhode Island | 1.54× | 11,728 |
| Pennsylvania | 1.52× | 166,592 |
| New Jersey | 1.50× | 88,657 |
| Massachusetts | 1.48× | 75,695 |
Other spellings
Spellings that sound like Thomas 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 |
|---|---|---|
| Thomas (this page) | 2,122,363 | 1951 |
| Tomas | 28,933 | 2003 |
Names with a similar story
Of the other 499 names on this site, these six had the share of babies closest in shape to Thomas's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Thomas.
Names from the same era
Other common names that peaked within two years of Thomas (1951).
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