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