Kourtney vs Kelsie
Kelsie leads today (#2,239 vs #4,460), though both are past their peak.
145 years, head to head
Babies named Kourtney and Kelsie per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#4,460
#2,239
Babies named in 2025
31
82
Peak year
1990
1993
Trend
Declining since 1995
Declining since 1993
Usually for
Girls
Girls
Lifetime births
13,925
19,591
Try another matchup
Kourtney against names whose popularity has moved like its own.