Masculine dossier · first seen 1880
Jack
Stable
Cross-generational persistence
Peak era
1927
Peak births
12,802
Current vitality
Strong
Peak generation
Greatest Generation
Quick answers about Jack
How many people are named Jack?
An estimated 397,840 living Americans are named Jack.
How rare is Jack?
Jack is still widely used among babies today, with 8,748 boys receiving the name in 2025, down 31.7% from its 1927 peak.
How old is the typical Jack?
The median age of a living American named Jack is approximately 23 years, with most bearers falling between 12 and 56 years old.
Is Jack still popular?
Yes. Jack is holding steady, with 8,748 births in 2025 and a consistent recent baseline.
Where is Jack most common?
Jack has its strongest geographic signal in Nevada, where it appears 4.6× more often than the national baseline.
1880Peak 19272025
Peak year
1927
Decline from peak
31.7%
2025
8,748
All-time
756,943
Where it lives now
Jack is most concentrated in Minnesota — about 3.5× the national rate in the 1990s.
States where Jack is given more often than the national average — its present-day heartland.