Baby Names US
girls' name ★ peaked 1957

Jil

Meaning Spelling variant of Jill Gender Girl Rank 2025 Below top lists

Spelling variant of Jill.

Rank 2025
–
among girls
Babies in 2025
<5
named Jil
How common
–
girls born in 2025
Peak year
1957
36 babies
All-time total
559
#11,063 all-time among girls
First recorded
1945
in Social Security records

Jil popularity over time

559 babies have been named Jil since 1945, 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
0.010.010.020.0218801900192019401960198020002020Peak 1957Girls

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 – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s 42 4 – #3,253
1950s 202 20 +381% #1,823
1960s 208 21 +3% #2,027
1970s 79 8 -62% #4,229
1980s 12 1 -85% #8,478
1990s 5 1 -58% #14,101
2000s 11 1 +120% #14,316
2010s – – – –
2020s (to 2025) – – – –

The story of Jil

Jil 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 1945, 559 American babies have been named Jil. Its peak came in 1957, when 36 newborns received the name, the signature sound of the 1950s.

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 Jil stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Jil?

The median living Jil is about 64 years old; half are between 56 and 68. An estimated 500 people named Jil are alive in the United States today.

median 64 020406080100

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

Jil 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 5 #16,625
2001 6 #14,316
2000 – –
1995 – –
1990 – –
1985 – –
1980 – –
1975 6 #8,411
1970 13 #4,344
1965 13 #3,632
1960 32 #2,027
1955 26 #2,136
1950 7 #4,507
1945 9 #3,253
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Jil?

The median living Jil is about 64 years old. Half of all living Jils are between 56 and 68 years old.

How many people named Jil are alive today?

An estimated 500 people named Jil are alive in the United States, based on 559 recorded births and Social Security life tables.

What does the name Jil mean?

Spelling variant of Jill.

How popular is the name Jil in 2025?

Jil 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 Jil?

559 babies have been named Jil in the United States since 1945, based on Social Security card applications.

When was the name Jil most popular?

Jil peaked in 1957, when 36 newborns received the name.

Is Jil a boy or girl name?

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

Is the name Jil rising or falling?

Jil has been roughly stable over the past decade.

Names like Jil

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

Compare Jil with similar names → More names starting with J →