How old is someone named Susannah?
The average Susannah is 37 years old.
Half of all living Susannahs are between 23 and 52.
When was Susannah popular?
Susannah is a steady name: popular for generations, with a peak in 1975 but no single era. You'll meet Susannahs of every age.
Popular names of 1975 · The most popular names of the 1970s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 33 | 0 |
| 1910s | 74 | 0 |
| 1920s | 99 | 0 |
| 1930s | 137 | under 100 |
| 1940s | 253 | 150 |
| 1950s | 320 | 250 |
| 1960s | 758 | 680 |
| 1970s | 1,422 | 1,300 |
| 1980s | 1,226 | 1,200 |
| 1990s | 1,242 | 1,200 |
| 2000s | 953 | 940 |
| 2010s | 831 | 820 |
| 2020s | 371 | 370 |
How many Susannahs are still alive?
About 7,000 Susannahs are alive in the US today. That's 90% of the roughly 7,800 babies named Susannah since 1882.
Most Susannahs ever born are still alive.
What generation is the name Susannah?
About one in four living Susannahs are Millennials, born between 1981 and 1996.
Is Susannah an old name?
Somewhat. Susannah is older than 63 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 Susannah will be 50 in 2056, so the name is aging slowly.
Is Susannah a boy or girl name?
Almost entirely girls: over 99.9% of living Susannahs are women.
Names the same age as Susannah
NAME TWIN
Susannah's name twin is Andre. Of all 3,713 names on AgeByName, Andre's age curve is the closest match to Susannah's: 91% alike.
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Questions about the name Susannah
How old is the average Susannah?
The average Susannah in the US is 37 years old. The median is 38, so half are older and half younger.
How many people are named Susannah?
About 7,000 Susannahs are alive in the US today, out of roughly 7,800 babies given the name since 1882.
When was the name Susannah most popular?
In 1975, when about 150 baby girls were named Susannah.
Is Susannah a Millennial name?
Partly. Millennials are the largest group, about 28% of living Susannahs, 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