How old is someone named Lois?
The average Lois is 75 years old.
Half of all living Loises are between 69 and 84.
When was Lois popular?
Parents have been choosing Lois less often since its peak in 1927; 124 babies got the name in 2025.
Popular names of 1927 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 7,805 | 0 |
| 1910s | 38,676 | under 100 |
| 1920s | 88,830 | 1,800 |
| 1930s | 81,351 | 16,000 |
| 1940s | 57,142 | 32,000 |
| 1950s | 36,347 | 28,000 |
| 1960s | 13,345 | 12,000 |
| 1970s | 2,936 | 2,700 |
| 1980s | 1,439 | 1,400 |
| 1990s | 950 | 930 |
| 2000s | 801 | 790 |
| 2010s | 1,023 | 1,000 |
| 2020s | 733 | 730 |
How many Loises are still alive?
About 97,000 Loises are alive in the US today. That's 29% of the roughly 340,000 babies named Lois since 1880.
Most Loises ever born have died: the name was most popular in 1927, long enough ago that many of those babies are gone.
What generation is the name Lois?
About half of living Loises are Baby Boomers, born between 1946 and 1964.
Is Lois an old name?
Yes. Lois is older than 100 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Lois will be 60 in 2056, so its average age will actually fall, as the youngest Loises make up more of the total.
Is Lois a boy or girl name?
Almost entirely girls: 99.5% of living Loises are women.
Names the same age as Lois
NAME TWIN
Lois's name twin is Wilma. Of all 3,713 names on AgeByName, Wilma's age curve is the closest match to Lois's: 95% alike.
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Questions about the name Lois
How old is the average Lois?
The average Lois in the US is 75 years old. The median is 77, so half are older and half younger.
How many people are named Lois?
About 97,000 Loises are alive in the US today, out of roughly 340,000 babies given the name since 1880.
When was the name Lois most popular?
In 1927, when about 11,000 baby girls were named Lois.
Is Lois a Boomer name?
Yes. About 52% of living Loises are Baby Boomers, born between 1946 and 1964.
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