How old is someone named Bill?
The average Bill is 68 years old.
Half of all living Bills are between 62 and 79.
When was Bill popular?
Bill peaked in 1947 and has been given less and less ever since. Only 18 babies got the name in 2025.
Popular names of 1947 · The most popular names of the 1940s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,523 | 0 |
| 1910s | 6,711 | 0 |
| 1920s | 22,495 | 170 |
| 1930s | 32,525 | 4,000 |
| 1940s | 37,848 | 16,000 |
| 1950s | 23,909 | 16,000 |
| 1960s | 25,184 | 20,000 |
| 1970s | 5,225 | 4,700 |
| 1980s | 1,820 | 1,700 |
| 1990s | 1,153 | 1,100 |
| 2000s | 845 | 830 |
| 2010s | 423 | 420 |
| 2020s | 140 | 140 |
How many Bills are still alive?
About 65,000 Bills are alive in the US today. That's 41% of the roughly 160,000 babies named Bill since 1880.
Most Bills ever born have died: the name was most popular in 1947, long enough ago that many of those babies are gone.
What generation is the name Bill?
More than half of living Bills are Baby Boomers, born between 1946 and 1964.
Is Bill an old name?
Yes. Bill is older than 97 in 100 names on AgeByName.
Is Bill a boy or girl name?
Almost entirely boys: 99.7% of living Bills are men.
Names the same age as Bill
NAME TWIN
Bill's name twin is Bob. Of all 3,713 names on AgeByName, Bob's age curve is the closest match to Bill's: 92% alike.
Think you can guess a Linda's age?
Ten names, one slider each. Share your score.
Questions about the name Bill
How old is the average Bill?
The average Bill in the US is 68 years old. The median is 68, so half are older and half younger.
How many people are named Bill?
About 65,000 Bills are alive in the US today, out of roughly 160,000 babies given the name since 1880.
When was the name Bill most popular?
In 1947, when about 4,700 baby boys were named Bill.
Is Bill a Boomer name?
Yes. About 59% of living Bills 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