Kourtney vs Mollie
Mollie leads today (#1,113 vs #4,460), though both are past their peak.
145 years, head to head
Babies named Kourtney and Mollie per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#4,460
#1,113
Babies named in 2025
31
212
Peak year
1990
1880
Trend
Declining since 1995
Declining since 1991
Usually for
Girls
Girls
Lifetime births
13,925
48,164
Try another matchup
Kourtney against names whose popularity has moved like its own.