Rex vs Zayden
Zayden leads today (#213 vs #859), and Zayden is still climbing.
145 years, head to head
Babies named Rex and Zayden per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#859
#213
Babies named in 2025
281
1,657
Peak year
1951
2020
Trend
Declining since 2018
Rising since 2000
Usually for
Boys
Boys
Lifetime births
60,449
32,246
Try another matchup
Rex against names whose popularity has moved like its own.