How Many People Are Named Susannah?
An estimated 6,707 people in the United States have the first name Susannah. It is almost exclusively a female name. The average bearer is 37 years old, and Susannah peaked in popularity in 1975 with 152 births that year.
Below you will find a full statistical profile of Susannah as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Susannah paired with any surname.
Estimated Living Americans
6,707
About 1 in 51,104 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
37
years old
Peak Year
1975
152 births
Total Registered
7,715
since 1880
Gender Distribution for Susannah
Susannah is almost exclusively a female name. Out of 7,715 total births registered, 100.0% were female.
Susannah as a female name
Ranked #2,734 in 2024
63 female births in 2024
Peak: 1975 (152 births)
Susannah: Popularity Over Time
SSA records for Susannah span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1970s, when 1,422 babies were registered. Susannah has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Susannah by Decade
How has Susannah tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Susannah by State
Birth registrations for Susannah span all 29 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Minnesota, Wisconsin, Louisiana. On average, about 117 Susannahs were registered per state.
Susannah + Last Name Combinations
How many people share a full name with Susannah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Susannah
Other first names starting with S with a similar number of bearers.
Susannah: Questions and Answers
How many people in the U.S. are named Susannah?
We estimate approximately 6,707 people named Susannah are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 51,104 Americans share this first name.
Is Susannah a common name?
Susannah is classified as "Rare" and is more popular than 97.1% of all first names in the SSA database. A total of 7,715 births have been registered with this name since 1880.
When was Susannah most popular?
Susannah reached peak popularity in 1975, when 152 babies were given this name. The average age of a living person named Susannah is approximately 37 years old, reflecting when the name was most commonly given.
Is Susannah a female name?
Susannah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Susannah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Susannah Smith, Susannah Johnson, Susannah Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
Search for a full name combination
How Many of Me