Kairo vs Theo
Theo leads today (#82 vs #226), and both are climbing.
145 years, head to head
Babies named Kairo and Theo per year in U.S. Social Security records, 1880–2025.
Head to head
2025 rank
#226
#82
Babies named in 2025
1,577
3,945
Peak year
2025
2023
Trend
Rising since 1995
Rising since 1994
Usually for
Boys
Boys
Lifetime births
11,224
35,830
Try another matchup
Kairo against names whose popularity has moved like its own.