Kaylynn vs Kailyn
Kaylynn leads today (#1,570 vs #1,818), though both are past their peak.
145 years, head to head
Babies named Kaylynn and Kailyn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#1,570
#1,818
Babies named in 2025
134
110
Peak year
2009
2011
Trend
Declining since 2009
Declining since 2010
Usually for
Girls
Girls
Lifetime births
12,252
14,211
Try another matchup
Kaylynn against names whose popularity has moved like its own.