Kourtney vs Kelsi
Kelsi leads today (#3,903 vs #4,460), though both are past their peak.
145 years, head to head
Babies named Kourtney and Kelsi per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#4,460
#3,903
Babies named in 2025
31
37
Peak year
1990
1991
Trend
Declining since 1995
Declining since 1992
Usually for
Girls
Girls
Lifetime births
13,925
10,151
Try another matchup
Kourtney against names whose popularity has moved like its own.