Allyson vs Kaylyn
Allyson leads today (#1,139 vs #2,514), though both are past their peak.
145 years, head to head
Babies named Allyson and Kaylyn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#1,139
#2,514
Babies named in 2025
203
70
Peak year
1998
1997
Trend
Declining since 1998
Declining since 1998
Usually for
Girls
Girls
Lifetime births
53,758
12,053
Try another matchup
Allyson against names whose popularity has moved like its own.