Masculine dossier · first seen 1880

Duncan

Stable Cross-generational persistence
Peak era
1997
Peak births
644
Current vitality
Fragile
Peak generation
Gen Z
1880Peak 19972025
peak 1997 2025 18801900192019401960198020002020

Quick answers about Duncan

How many people are named Duncan?

An estimated 17,375 living Americans are named Duncan.

How rare is Duncan?

Duncan is uncommon among babies today, with 190 boys receiving the name in 2025, down 70.5% from its 1997 peak.

How old is the typical Duncan?

The median age of a living American named Duncan is approximately 28 years, with most bearers falling between 18 and 43 years old.

Is Duncan still popular?

Yes. Duncan is holding steady, with 190 births in 2025 and a consistent recent baseline.

Peak year
1997
Decline from peak
70.5%
2025
190
All-time
21,219