Kaylee vs Kailyn
Kaylee leads today (#255 vs #1,818), though both are past their peak.
145 years, head to head
Babies named Kaylee and Kailyn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#255
#1,818
Babies named in 2025
1,205
110
Peak year
2009
2011
Trend
Declining since 2010
Declining since 2010
Usually for
Girls
Girls
Lifetime births
140,425
14,211
Try another matchup
Kaylee against names whose popularity has moved like its own.