Humanverse

Kaiden vs Kaiyr

American parents have registered 54,156 Kaidens since 1880, against 115 Kaiyrs. Kaiden is still ahead, with 1,488 babies in 2025.

Babies given each name, 1880–2025

Births per year: Kaiden against Kaiyr, 1880 to 2025 0 1k 2k 3k 4k 1880 1900 1920 1940 1960 1980 2000 2020

Kaiden Kaiyr

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

Kaiden has been the commoner name in every year either was published, 1992 to 2025. The lead has never changed hands.

The closest they came was 2024, when Kaiden had 1,733 and Kaiyr had 64.

Side by side

  Kaiden Kaiyr
Total US births 54,156115
Most in one year 3,35264
Babies in 2025 1,48810
Estimated living today 54,000110
Median age today 101
Peak year 20142024
Best rank 124th boys2,236th boys
Rank in 2025 237th7,679th
First recorded 19922023
Girls / boys 1,594 / 52,5620 / 115

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.

Which name is older

Half of the Kaidens alive today are over 10; half the Kaiyrs are over 1. That is 9 years between them: two names in use at the same time, worn by two different generations.

Compare something else

Related comparisons

Social Security Administration birth records, 1880–2025, public domain. Full histories: Kaiden and Kaiyr.