Thelma vs Theora
American parents have registered 226,602 Thelmas since 1880, against 853 Theoras. Thelma is still ahead, with 29 babies in 2025.
Babies given each name, 1880–2025
Thelma Theora
Each line is every baby given the name that year, girls and boys added together — the only count that means the same thing for both names. A line breaks where the name fell below five babies in a year — the point at which the SSA stops publishing it — rather than being drawn through a figure nobody published. A single published year in a gap shows as a dot.
Who was ahead
Thelma has been the commoner name in every year either was published, 1880 to 2025. The lead has never changed hands.
The closest they came was 1891, when Thelma had 25 and Theora had 7.
Side by side
| Thelma | Theora | |
|---|---|---|
| Total US births | 226,602 | 853 |
| Most in one year | 7,871 | 37 |
| Babies in 2025 | 29 | under 5 |
| Estimated living today | 41,000 | 160 |
| Median age today | 77 | 78 |
| Peak year | 1921 | 1929 |
| Best rank | 30th girls | 1,223rd girls |
| Rank in 2025 | 4,661st | unranked |
| First recorded | 1880 | 1891 |
| Girls / boys | 225,460 / 1,142 | 853 / 0 |
A rank is a position within one sex’s list for one year, so the two rank rows are not subtracted from one another and the winning column is not marked on them. The living figure is a life-table estimate, not a count.
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Social Security Administration birth records, 1880–2025, public domain. Full histories: Thelma and Theora.