Based on SSA birth records through 2013, an estimated 11,765 Americans born with the name Tammi may still be living. No new bearers have been recorded since 2013.
How rare is Tammi?
Tammi has not appeared in SSA records since 2013. It is effectively extinct as a new baby name — no girls received it in the latest available data.
How old is the typical Tammi?
The median age of a living American named Tammi is approximately 57 years, with most bearers falling between 52 and 62 years old.
Tammi has its strongest geographic signal in Washington, where it appears 3.2× more often than the national baseline.
1950Peak 19682025
Peak year
1968
Decline from peak
100%
2025
0
All-time
13,884
Diaspora map
Tammi spread fast — broke out in Arkansas, District of Columbia, Idaho, New Hampshire, New Mexico, Oregon, South Carolina, Vermont, Washington, and Wisconsin (1968) and ran high in 23 states within a decade.
Broke out: Arkansas, District of Columbia, Idaho, New Hampshire, New Mexico, Oregon, South Carolina, Vermont, Washington, and Wisconsin, 1968 · over-represented in 23 states over 4 years
