How old is someone named Letha?
The average Letha is 67 years old.
Half of all living Lethas are between 59 and 78.
When was Letha popular?
Parents have been choosing Letha less often since its peak in 1918.
Popular names of 1918 · The most popular names of the 1910s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,727 | 0 |
| 1910s | 3,616 | 0 |
| 1920s | 3,780 | under 100 |
| 1930s | 2,344 | 480 |
| 1940s | 1,740 | 970 |
| 1950s | 1,662 | 1,300 |
| 1960s | 1,511 | 1,300 |
| 1970s | 671 | 630 |
| 1980s | 300 | 290 |
| 1990s | 126 | 130 |
| 2000s | 46 | under 100 |
| 2010s | 51 | under 100 |
| 2020s | 5 | under 100 |
How many Lethas are still alive?
About 5,300 Lethas are alive in the US today. That's 28% of the roughly 19,000 babies named Letha since 1880.
Most Lethas ever born have died: the name was most popular in 1918, long enough ago that many of those babies are gone.
What generation is the name Letha?
About half of living Lethas are Baby Boomers, born between 1946 and 1964.
Is Letha an old name?
Yes. Letha is older than 97 in 100 names on AgeByName.
Is Letha a boy or girl name?
Almost entirely girls: over 99.9% of living Lethas are women.
Names the same age as Letha
NAME TWIN
Letha's name twin is Ann. Of all 3,713 names on AgeByName, Ann's age curve is the closest match to Letha's: 91% alike.
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Questions about the name Letha
How old is the average Letha?
The average Letha in the US is 67 years old. The median is 68, so half are older and half younger.
How many people are named Letha?
About 5,300 Lethas are alive in the US today, out of roughly 19,000 babies given the name since 1880.
When was the name Letha most popular?
In 1918, when about 470 baby girls were named Letha.
Is Letha a Boomer name?
Partly. Baby Boomers are the largest group, about 47% of living Lethas, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this