How Many People Are Named Lassie?
An estimated 94 people in the United States have the first name Lassie. It is almost exclusively a female name. The average bearer is 83 years old, and Lassie peaked in popularity in 1916 with 42 births that year.
Below you will find a full statistical profile of Lassie 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 Lassie paired with any surname.
Key Insights
- With an average bearer age of 83, Lassie is a vintage name most associated with earlier generations. Most living bearers were born before 1953.
- Lassie is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
94
About 1 in 3,646,323 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
83
years old
Peak Year
1916
42 births
Total Registered
979
since 1880
Gender Distribution for Lassie
Lassie is almost exclusively a female name. Out of 979 total births registered, 100.0% were female.
Lassie as a female name
Ranked #7,139 in 1963
5 female births in 1963
Peak: 1916 (42 births)
Lassie: Popularity Over Time
SSA records for Lassie span from the 1880s to the 1960s, covering 9 decades of naming data. The most popular decade for this name was the 1910s, when 247 babies were registered. Lassie has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Lassie by Decade
How has Lassie 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.
Lassie by State
Birth registrations for Lassie span all 5 states and territories in the SSA database. The highest counts are in Tennessee, Kentucky, Alabama. The lowest are in Virginia, North Carolina, Alabama. On average, about 40 Lassies were registered per state.
Lassie + Last Name Combinations
How many people share a full name with Lassie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lassie
Other first names starting with L with a similar number of bearers.
Lassie: Questions and Answers
How many people in the U.S. are named Lassie?
We estimate approximately 94 people named Lassie 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 3,646,323 Americans share this first name.
Is Lassie a common name?
Lassie is classified as "Very Rare" and is more popular than 63.7% of all first names in the SSA database. A total of 979 births have been registered with this name since 1880.
When was Lassie most popular?
Lassie reached peak popularity in 1916, when 42 babies were given this name. The average age of a living person named Lassie is approximately 83 years old, reflecting when the name was most commonly given.
Is Lassie a female name?
Lassie is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lassie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lassie Smith, Lassie Johnson, Lassie 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