An estimated 276,882 living Americans are named Tammy.
How rare is Tammy?
Tammy is very rare among babies today, with 41 girls receiving the name in 2025, down 99.8% from its 1963 peak.
How old is the typical Tammy?
The median age of a living American named Tammy is approximately 58 years, with most bearers falling between 54 and 63 years old.
Is Tammy still popular?
No. Tammy is endangered as a baby name, down 99.8% from its 1963 peak with 41 births in 2025.
Where is Tammy most common?
Tammy has its strongest geographic signal in Wyoming, where it appears 2.6× more often than the national baseline.
1934Peak 19632025
Peak year
1963
Decline from peak
99.8%
2025
41
All-time
332,015
Diaspora map
Tammy broke out in Alaska, Colorado, Idaho, Indiana, Kansas, Montana, Nevada, North Dakota, Oklahoma, Oregon, South Dakota, Utah, Washington, West Virginia, and Wyoming (1957) and became over-represented in 36 states over 30 years.
Broke out: Alaska, Colorado, Idaho, Indiana, Kansas, Montana, Nevada, North Dakota, Oklahoma, Oregon, South Dakota, Utah, Washington, West Virginia, and Wyoming, 1957 · over-represented in 36 states over 30 years