Onnie
UnisexGirls' nameBoys' nameMeaning not yet documented
Onnie has been given to 1,736 babies in the U.S. since 1886. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1922, with 33 recorded. It's used for both sexes: 62% girls, 38% boys all-time.
Babies named Onnie, 2023
1 in 663,000
Onnie over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Onnie over time
In 2023, Onnie went to 100% girls and 0% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Onnie?
Onnie had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.
- Among all babies, 2023
- 1 in 663,000
- 5 of 3,314,783 births
- Among girls only
- 1 in 321,000
- <0.01% of girls
- Rank, 2023
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 459,528 kids
- Even odds of a second one
Where Onnie sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2023 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 459,528 children born in 2023 and it's an even bet that one of them is another Onnie. In a class of 30 the chance is Under 1%.
When Onnies were born
Half of everyone ever recorded as Onnie was born before 1925 — so the typical Onnie is around 100 today.
- Biggest decade
- 1920s
- 24.4% of all use
- Born in the last 25 years
- 1.0%
- Mostly a past generation
- Recorded since 1950
- 146
- People you could plausibly meet
1920s — 24.4% of all recorded uses (263).
Is Onnie rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1922 (33)
- Years since peak
- 103
- Years
- Year-to-year steadiness
- Volatile
- 31.6% average annual change
Spellings of Onnie
Onnie is not the most common spelling — Annie is, with 17.0% against Onnie's 0.05%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Where Onnie is used — girls
Across 1910–2025, Onnie was most concentrated in Mississippi — about 1 in 50,000 girls, against 1 in 151,271 across all states with data. It was least common in Texas (1 in —).
Most concentrated
- 1Mississippi1 in 50,000
- 2North Carolina1 in 50,000
- 3Alabama1 in 100,000
- 4Georgia1 in 100,000
- 5Tennessee1 in —
- 6Texas1 in —
Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Onnie has too little recent state data to map, so this covers all years from 1910.
Where Onnie is used — boys
Across 1910–2025, Onnie was most concentrated in Alabama — about 1 in — boys, against 1 in 1,586,431 across all states with data. It was least common in Texas (1 in —).
Most concentrated
- 1Alabama1 in —
- 2Michigan1 in —
- 3North Carolina1 in —
- 4New York1 in —
- 5Texas1 in —
Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Onnie has too little recent state data to map, so this covers all years from 1910.
Onnie by the numbers
The raw record for each sex the name is used for.
As a girl's name
Names similar to Onnie
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Onnie
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.