Lonni
Girl nameLonni has been given to 431 babies in the U.S. since 1944. It peaked in 1956.
Popularity over time births per year, 1880–2025
Total babies
431
Peak year
1956 (18 babies)
Rank in 2025
Below top 1000
First recorded
1944
10-year trend
New / returning
Gender split
96% girls / 4% boys
Spellings & variants
Names one letter away from Lonni — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Lonni.
Sibling name ideas for Lonni
Same era and popularity as Lonni, avoiding matching initials or rhymes.
FAQ
How popular is the name Lonni?
Lonni has been given to 431 babies in the U.S. since 1944. It ranked below the top 1000 in 2025.
When did the name Lonni peak?
Lonni peaked in 1956, when 18 babies were given the name.
Is Lonni a girl or boy name?
Lonni is primarily a girl name (96% of babies named Lonni are girls).
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