Kassidy vs Mackenzie
Mackenzie leads today (#228 vs #1,038), though both are past their peak.
145 years, head to head
Babies named Kassidy and Mackenzie per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#1,038
#228
Babies named in 2025
240
1,343
Peak year
2000
2001
Trend
Declining since 2000
Declining since 2001
Usually for
Girls
Girls
Lifetime births
21,282
141,274
Try another matchup
Kassidy against names whose popularity has moved like its own.