Caitlyn vs Kaitlyn
Kaitlyn leads today (#799 vs #2,485), though both are past their peak.
145 years, head to head
Babies named Caitlyn and Kaitlyn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#2,485
#799
Babies named in 2025
71
340
Peak year
1998
2000
Trend
Declining since 1999
Declining since 2000
Usually for
Girls
Girls
Lifetime births
52,603
166,689
Try another matchup
Caitlyn against names whose popularity has moved like its own.