Kaylyn vs Katelynn
Kaylyn leads today (#2,514 vs #2,719), though both are past their peak.
145 years, head to head
Babies named Kaylyn and Katelynn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#2,514
#2,719
Babies named in 2025
70
63
Peak year
1997
1998
Trend
Declining since 1998
Declining since 1999
Usually for
Girls
Girls
Lifetime births
12,053
30,680
Try another matchup
Kaylyn against names whose popularity has moved like its own.