2025 rank (girls)
#8,362
Babies named in 2025
12
Peak popularity
2023
2025 frequency
1 in 133,939 girls
Usually for
Girls
Trend
Declining since 2022
Declining since 2022, #8,362 for girls today.
Popularity of Thomasin since 1963
Babies named Thomasin per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1960s | 5 |
| 1970s | 5 |
| 1980s | 0 |
| 1990s | 0 |
| 2000s | 0 |
| 2010s | 0 |
| 2020s | 62 |
