Kaylyn vs Kaitlynn
Kaylyn leads today (#2,514 vs #3,645), though both are past their peak.
145 years, head to head
Babies named Kaylyn and Kaitlynn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#2,514
#3,645
Babies named in 2025
70
41
Peak year
1997
1999
Trend
Declining since 1998
Declining since 1999
Usually for
Girls
Girls
Lifetime births
12,053
16,419
Try another matchup
Kaylyn against names whose popularity has moved like its own.