Feminine dossier · first seen 1913
Moira
Stable
Cross-generational persistence
Peak era
1963
Peak births
144
Current vitality
Rare
Peak generation
Boomer
Quick answers about Moira
How many people are named Moira?
An estimated 6,837 living Americans are named Moira.
How rare is Moira?
Moira is uncommon among babies today, with 93 girls receiving the name in 2025, down 35.4% from its 1963 peak.
How old is the typical Moira?
The median age of a living American named Moira is approximately 30 years, with most bearers falling between 16 and 55 years old.
Is Moira still popular?
Yes. Moira is holding steady, with 93 births in 2025 and a consistent recent baseline.
Where is Moira most common?
Moira has its strongest geographic signal in Massachusetts, where it appears 4.6× more often than the national baseline.
1913Peak 19632025
Peak year
1963
Decline from peak
35.4%
2025
93
All-time
7,941
Where it lives now
Moira is most concentrated in Massachusetts — about 4.6× the national rate in the 1980s.
States where Moira is given more often than the national average — its present-day heartland.