Baby Names US
girls' name ★ peaked 1919

Lillis

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Lillis
How common
–
girls born in 2025
Peak year
1919
25 babies
All-time total
637
#10,132 all-time among girls
First recorded
1880
in Social Security records

Lillis popularity over time

637 babies have been named Lillis since 1880, 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
0.020.040.060.0818801900192019401960198020002020Peak 1880Girls

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 28 3 – #801
1890s 51 5 +82% #1,156
1900s 47 5 -8% #1,313
1910s 138 14 +194% #1,338
1920s 172 17 +25% #1,924
1930s 99 10 -42% #2,160
1940s 54 5 -45% #3,549
1950s 38 4 -30% #5,172
1960s 10 1 -74% #6,904
1970s – – – –
1980s – – – –
1990s – – – –
2000s – – – –
2010s – – – –
2020s (to 2025) – – – –

The story of Lillis

Lillis 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 1880, 637 American babies have been named Lillis. Its peak came in 1919, when 25 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 Lillis stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Lillis?

The median living Lillis is about 79 years old; half are between 70 and 87. An estimated 100 people named Lillis are alive in the United States today.

median 79 020406080100

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

Lillis 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 5 #6,904
1955 6 #5,550
1950 5 #5,744
1945 – –
1940 7 #3,703
1935 15 #2,160
1930 12 #2,622
1925 20 #1,976
1920 21 #1,924
1915 20 #1,711
1910 7 #2,036
1905 – –
1900 – –
1895 8 #1,253
1890 7 #1,158
1885 7 #882
1880 6 #801

Frequently asked questions

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

How old is the average Lillis?

The median living Lillis is about 79 years old. Half of all living Lilliss are between 70 and 87 years old.

How many people named Lillis are alive today?

An estimated 100 people named Lillis are alive in the United States, based on 637 recorded births and Social Security life tables.

How popular is the name Lillis in 2025?

Lillis 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 Lillis?

637 babies have been named Lillis in the United States since 1880, based on Social Security card applications.

When was the name Lillis most popular?

Lillis peaked in 1919, when 25 newborns received the name.

Is Lillis a boy or girl name?

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

Is the name Lillis rising or falling?

Lillis has been roughly stable over the past decade.

Names like Lillis

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

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