How old is someone named Ruby?
The average Ruby is 39 years old.
Half of all living Rubys are between 11 and 71. The average sits between a large young group and an older one, so many Rubys are much younger than 39.
When was Ruby popular?
Ruby is a steady name: popular for generations, with a peak in 1924 but no single era. You'll meet Rubys of every age.
Popular names of 1924 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 18,353 | 0 |
| 1910s | 60,812 | under 100 |
| 1920s | 77,390 | 1,300 |
| 1930s | 48,171 | 9,600 |
| 1940s | 32,140 | 18,000 |
| 1950s | 20,703 | 16,000 |
| 1960s | 10,277 | 9,000 |
| 1970s | 6,519 | 6,100 |
| 1980s | 6,451 | 6,200 |
| 1990s | 10,693 | 10,000 |
| 2000s | 22,086 | 22,000 |
| 2010s | 33,523 | 33,000 |
| 2020s | 21,102 | 21,000 |
How many Rubys are still alive?
About 150,000 Rubys are alive in the US today. That's 40% of the roughly 380,000 babies named Ruby since 1880.
Most Rubys ever born have died: the name was most popular in 1924, long enough ago that many of those babies are gone.
What generation is the name Ruby?
About one in three living Rubys are in Gen Alpha, born in 2013 or later.
Is Ruby an old name?
Somewhat. Ruby is older than 65 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Ruby will be 32 in 2056, so its average age will actually fall, as the youngest Rubys make up more of the total.
Is Ruby a boy or girl name?
Almost entirely girls: 99.4% of living Rubys are women.
Names the same age as Ruby
NAME TWIN
Ruby's name twin is Josephine. Of all 3,713 names on AgeByName, Josephine's age curve is the closest match to Ruby's: 93% alike.
Other spellings: Rubi (20)
Compare: Ruby vs. Rose
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Questions about the name Ruby
How old is the average Ruby?
The average Ruby in the US is 39 years old. The median is 27, so half are older and half younger.
How many people are named Ruby?
About 150,000 Rubys are alive in the US today, out of roughly 380,000 babies given the name since 1880.
When was the name Ruby most popular?
In 1924, when about 8,500 baby girls were named Ruby.
Is Ruby a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 30% of living Rubys, 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