Kieara vs Kierstin
American parents have registered 3,270 Kierstins since 1880, against 771 Kiearas. But in 2025 it was Kieara that was commoner, 5 babies to fewer than five.
Babies given each name, 1880–2025
Kieara Kierstin
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
Of the 58 years in which either name was published, Kierstin for 57 years and Kieara for 1 year. The lead changed hands once.
Side by side
| Kieara | Kierstin | |
|---|---|---|
| Total US births | 771 | 3,270 |
| Most in one year | 52 | 174 |
| Babies in 2025 | 5 | under 5 |
| Estimated living today | 760 | 3,200 |
| Median age today | 26 | 26 |
| Peak year | 1991 | 2005 |
| Best rank | 2,420th girls | 1,281st girls |
| Rank in 2025 | 14,942nd | unranked |
| First recorded | 1987 | 1966 |
| Girls / boys | 771 / 0 | 3,270 / 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: Kieara and Kierstin.