Holding steady.
Popularity of Thomasine since 1909
Babies named Thomasine per year in U.S. Social Security records. Raw births topped out in 1950, but relative to how few babies were recorded back then, Thomasine's real moment was 1941.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1900s | 5 |
| 1910s | 89 |
| 1920s | 264 |
| 1930s | 329 |
| 1940s | 505 |
| 1950s | 500 |
| 1960s | 296 |
| 1970s | 180 |
| 1980s | 55 |
| 1990s | 11 |
| 2000s | 0 |
| 2010s | 0 |
| 2020s | 0 |
Meaning & origin
Thomasine is a rare feminine form of Thomas with a long, quiet history. First recorded in U.S. data in 1909, the name reached its highest usage in 1941, when it was given to a modest number of baby girls. Since then, Thomasine has remained stable in its rarity, never cracking the top 1,000. Like many feminine derivatives of classic male names, Thomasine offers a distinctive alternative to more common choices like Thomasina or Tamsin. Its Aramaic root meaning "twin" connects it to the apostolic tradition of Thomas, giving it a subtle biblical resonance. While no top states stand out, the name has a classic, slightly old-fashioned feel that may appeal to parents drawn to vintage names with a feminine twist.
Thomasine is the feminine form of Thomas, derived from the Aramaic tōmā, meaning "twin." The name Thomas itself gained prominence through the apostle Thomas in the New Testament. While Thomas has been common across the Christian world, Thomasine emerged as a less common feminine variation, particularly in medieval England. Its usage has remained rare but consistent, often associated with families honoring a male relative named Thomas.
Nicknames & variants
Nicknames: Tommy, Tina, Minnie
Sibling names for Thomasine
Names that share Thomasine's style, for a brother or sister.
