Cassidy vs Mikayla
Cassidy leads today (#541 vs #746), though both are past their peak.
145 years, head to head
Babies named Cassidy and Mikayla per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#541
#746
Babies named in 2025
558
364
Peak year
1999
1998
Trend
Declining since 1998
Declining since 1999
Usually for
Girls
Girls
Lifetime births
60,848
56,713
Try another matchup
Cassidy against names whose popularity has moved like its own.