How Many People Are Named Kirstie?
An estimated 3,916 people in the United States have the first name Kirstie. It is almost exclusively a female name. The average bearer is 38 years old, and Kirstie peaked in popularity in 1991 with 635 births that year.
Below you will find a full statistical profile of Kirstie 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 Kirstie paired with any surname.
Estimated Living Americans
3,916
About 1 in 87,527 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
38
years old
Peak Year
1991
635 births
Total Registered
4,151
since 1880
Gender Distribution for Kirstie
Kirstie is almost exclusively a female name. Out of 4,151 total births registered, 100.0% were female.
Kirstie as a female name
Ranked #18,281 in 2011
5 female births in 2011
Peak: 1991 (635 births)
Kirstie: Popularity Over Time
SSA records for Kirstie span from the 1950s to the 2010s, covering 7 decades of naming data. The most popular decade for this name was the 1990s, when 2,450 babies were registered. Kirstie has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kirstie by Decade
How has Kirstie 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.
Kirstie by State
Birth registrations for Kirstie span all 36 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Connecticut, Maine, New Mexico. On average, about 70 Kirsties were registered per state.
Kirstie + Last Name Combinations
How many people share a full name with Kirstie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kirstie
Other first names starting with K with a similar number of bearers.
Kirstie: Questions and Answers
How many people in the U.S. are named Kirstie?
We estimate approximately 3,916 people named Kirstie 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 87,527 Americans share this first name.
Is Kirstie a common name?
Kirstie is classified as "Rare" and is more popular than 95.9% of all first names in the SSA database. A total of 4,151 births have been registered with this name since 1880.
When was Kirstie most popular?
Kirstie reached peak popularity in 1991, when 635 babies were given this name. The average age of a living person named Kirstie is approximately 38 years old, reflecting when the name was most commonly given.
Is Kirstie a female name?
Kirstie is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kirstie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kirstie Smith, Kirstie Johnson, Kirstie 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.
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