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