Allyson vs Katelyn
Katelyn leads today (#1,076 vs #1,139), though both are past their peak.
145 years, head to head
Babies named Allyson and Katelyn per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#1,139
#1,076
Babies named in 2025
203
225
Peak year
1998
1993
Trend
Declining since 1998
Declining since 1994
Usually for
Girls
Girls
Lifetime births
53,758
134,049
Try another matchup
Allyson against names whose popularity has moved like its own.