Leon vs Mack
Leon leads today (#138 vs #463), and both are climbing.
145 years, head to head
Babies named Leon and Mack per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#138
#463
Babies named in 2025
2,583
668
Peak year
1918
1900
Trend
Rising since 1998
Rising since 1996
Usually for
Boys
Boys
Lifetime births
182,638
42,720
Try another matchup
Leon against names whose popularity has moved like its own.