Lonni
Every Lonni since 1944 — 431 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Lonni
Lonni 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 1944, 431 American babies have been named Lonni. Its peak came in 1956, when 18 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 Lonni stood among all girls' names in any year, or use the compare tool to plot it against other names.
Lonni 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 | 9 | #10,752 | — | — |
| 2023 | 5 | #16,624 | — | — |
| 2022 | — | — | — | — |
| 2021 | — | — | — | — |
| 2020 | 5 | #16,546 | — | — |
| 2019 | 5 | #17,027 | — | — |
| 2018 | — | — | — | — |
| 2017 | 7 | #13,539 | — | — |
| 2016 | — | — | — | — |
| 2015 | — | — | — | — |
| 2014 | — | — | — | — |
| 2013 | — | — | — | — |
| 2012 | — | — | — | — |
| 2011 | — | — | — | — |
| 2010 | — | — | — | — |
| 2009 | — | — | — | — |
| 2008 | — | — | — | — |
| 2007 | — | — | — | — |
| 2006 | — | — | — | — |
| 2005 | — | — | — | — |
| 2004 | — | — | — | — |
| 2003 | 5 | #17,293 | — | — |
| 2002 | — | — | — | — |
| 2001 | — | — | — | — |
| 2000 | — | — | — | — |
| 1995 | — | — | — | — |
| 1990 | 5 | #14,267 | — | — |
| 1985 | — | — | — | — |
| 1980 | 14 | #5,121 | — | — |
| 1975 | 5 | #9,914 | — | — |
| 1970 | 10 | #5,263 | — | — |
| 1965 | 11 | #4,090 | 7 | #3,430 |
| 1960 | 11 | #4,067 | — | — |
| 1955 | 13 | #3,309 | — | — |
| 1950 | 10 | #3,575 | — | — |
| 1945 | 6 | #4,312 | — | — |
| 1940 | — | — | — | — |
| 1935 | — | — | — | — |
| 1930 | — | — | — | — |
| 1925 | — | — | — | — |
| 1920 | — | — | — | — |
| 1915 | — | — | — | — |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Frequently asked questions
How popular is the name Lonni in 2025?
Lonni 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 Lonni?
431 babies have been named Lonni in the United States since 1944, based on Social Security card applications.
When was the name Lonni most popular?
Lonni peaked in 1956, when 18 newborns received the name.
Is Lonni a boy or girl name?
Lonni is overwhelmingly a girl's name — 96% of babies with the name.
Is the name Lonni rising or falling?
Lonni is on the rise — noticeably more popular now than a decade ago.