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