Baby Names US
Unisex name ★ peaked 1915

Onnie

Gender Unisex · 62% girls Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Onnie
How common
–
girls born in 2025
Peak year
1915
56 babies
All-time total
1,736
#7,126 all-time among girls
First recorded
1885
in Social Security records

Onnie popularity over time

1,736 babies have been named Onnie since 1885, 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
0.020.040.060.0818801900192019401960198020002020GirlsBoys
GirlsBoys

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 Boys Total Per year Change Best rank
1880s 19 5 24 2 – #1,012
1890s 50 12 62 6 +158% #952
1900s 105 17 122 12 +97% #955
1910s 204 129 333 33 +173% #1,266
1920s 263 138 401 40 +20% #1,424
1930s 172 117 289 29 -28% #1,587
1940s 120 84 204 20 -29% #2,216
1950s 98 72 170 17 -17% #3,011
1960s 24 48 72 7 -58% #4,460
1970s 13 30 43 4 -40% #6,197
1980s – 5 5 1 -88% –
1990s – – – – – –
2000s 6 – 6 1 – #16,755
2010s – – – – – –
2020s (to 2025) 5 – 5 1 – #16,999

The story of Onnie

Onnie 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 1885, 1,736 American babies have been named Onnie, about 62% girls and 38% boys, making it a genuinely unisex name. Its peak came in 1915, when 56 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 Onnie stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Onnie?

The median living Onnie is about 74 years old; half are between 65 and 83. An estimated 400 people named Onnie are alive in the United States today.

median 74 020406080100

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

Onnie year by year

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

Year Girls Girls rank Boys Boys rank
2025 – – – –
2024 – – – –
2023 5 #16,999 – –
2022 – – – –
2021 – – – –
2020 – – – –
2019 – – – –
2018 – – – –
2017 – – – –
2016 – – – –
2015 – – – –
2014 – – – –
2013 – – – –
2012 – – – –
2011 – – – –
2010 – – – –
2009 6 #16,755 – –
2008 – – – –
2007 – – – –
2006 – – – –
2005 – – – –
2004 – – – –
2003 – – – –
2002 – – – –
2001 – – – –
2000 – – – –
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 8 #6,197 – –
1965 – – 6 #3,815
1960 6 #6,194 9 #3,023
1955 11 #3,724 8 #3,137
1950 13 #3,011 7 #3,239
1945 16 #2,216 6 #3,223
1940 10 #2,908 11 #2,278
1935 17 #1,980 15 #1,899
1930 20 #1,857 10 #2,736
1925 30 #1,528 15 #2,154
1920 18 #2,146 22 #1,679
1915 30 #1,309 26 #1,330
1910 11 #1,493 5 #1,779
1905 15 #999 – –
1900 – – 6 #1,274
1895 6 #1,549 – –
1890 5 #1,483 – –
1885 – – 5 #1,056
1880 – – – –

Frequently asked questions

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

How old is the average Onnie?

The median living Onnie is about 74 years old. Half of all living Onnies are between 65 and 83 years old.

How many people named Onnie are alive today?

An estimated 400 people named Onnie are alive in the United States, based on 1,736 recorded births and Social Security life tables.

How popular is the name Onnie in 2025?

Onnie 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 Onnie?

1,736 babies have been named Onnie in the United States since 1885, based on Social Security card applications.

When was the name Onnie most popular?

Onnie peaked in 1915, when 56 newborns received the name.

Is Onnie a boy or girl name?

Onnie is used for both: about 62% of babies named Onnie have been girls and 38% boys.

Is the name Onnie rising or falling?

Onnie is on the rise, noticeably more popular now than a decade ago.

Names like Onnie

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

Compare Onnie with similar names → More names starting with O →