Haley vs Sierra
Sierra leads today (#614 vs #861), though both are past their peak.
145 years, head to head
Babies named Haley and Sierra per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#861
#614
Babies named in 2025
314
476
Peak year
1996
1998
Trend
Declining since 1996
Declining since 1998
Usually for
Girls
Girls
Lifetime births
159,511
100,597
Try another matchup
Haley against names whose popularity has moved like its own.