Baby Names US
girls' name ★ peaked 1916

Lassie

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Lassie
How common
–
girls born in 2025
Peak year
1916
42 babies
All-time total
979
#7,634 all-time among girls
First recorded
1883
in Social Security records

Lassie popularity over time

979 babies have been named Lassie since 1883, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.030.050.080.118801900192019401960198020002020Peak 1891Girls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Per year Change Best rank
1880s 29 3 – #946
1890s 103 10 +255% #740
1900s 125 13 +21% #899
1910s 247 25 +98% #955
1920s 229 23 -7% #1,550
1930s 121 12 -47% #1,987
1940s 82 8 -32% #2,003
1950s 33 3 -60% #4,235
1960s 10 1 -70% #7,084
1970s – – – –
1980s – – – –
1990s – – – –
2000s – – – –
2010s – – – –
2020s (to 2025) – – – –

The story of Lassie

Lassie is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1883, 979 American babies have been named Lassie. Its peak came in 1916, when 42 newborns received the name, the signature sound of the 1910s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Lassie stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Lassie?

The median living Lassie is about 81 years old; half are between 73 and 88. An estimated 100 people named Lassie are alive in the United States today.

median 81 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Lassie year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 – –
2019 – –
2018 – –
2017 – –
2016 – –
2015 – –
2014 – –
2013 – –
2012 – –
2011 – –
2010 – –
2009 – –
2008 – –
2007 – –
2006 – –
2005 – –
2004 – –
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 – –
1985 – –
1980 – –
1975 – –
1970 – –
1965 – –
1960 – –
1955 9 #4,235
1950 – –
1945 5 #4,922
1940 17 #2,003
1935 14 #2,252
1930 9 #3,202
1925 27 #1,628
1920 26 #1,640
1915 32 #1,240
1910 21 #955
1905 12 #1,130
1900 8 #1,506
1895 11 #1,020
1890 11 #855
1885 – –
1880 – –

Famous people named Lassie

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Lassie Lou Ahern Lassie Lou Ahern American actress (1920–2018) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Lassie, drawn from the same Social Security data as the charts above.

How old is the average Lassie?

The median living Lassie is about 81 years old. Half of all living Lassies are between 73 and 88 years old.

How many people named Lassie are alive today?

An estimated 100 people named Lassie are alive in the United States, based on 979 recorded births and Social Security life tables.

How popular is the name Lassie in 2025?

Lassie did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Lassie?

979 babies have been named Lassie in the United States since 1883, based on Social Security card applications.

When was the name Lassie most popular?

Lassie peaked in 1916, when 42 newborns received the name.

Is Lassie a boy or girl name?

Lassie is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Lassie rising or falling?

Lassie has been roughly stable over the past decade.

Who are famous people named Lassie?

Well-known people named Lassie include Lassie Lou Ahern (actor).

Names like Lassie

Names that sound and feel close to Lassie: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Lassie with similar names → More names starting with L →