Onnie

♀ Girl

How to Pronounce Onnie

Pronounced ON-ee /ˈɒn.i/High

Meaning: Onnie is a vintage American girls' name best read as a pet form of Ona, or of longer names ending in -on(n)a such as Fonnie or Winona. Its exact source is uncertain; it functioned as a warm -ie diminutive given as a name in its own right.Low

In 30 seconds: Onnie is a vintage girls' name, most likely a pet form of Ona or a longer -ona name. A rarity from the early 1900s, its routes are uncertain (said 'ON-ee').

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Origin LowEnglish

MeaningOnnie is a vintage American girls' name best read as a pet form of Ona, or of longer names ending in -on(n)a such as Fonnie or Winona. Its exact source is uncertain; it functioned as a warm -ie diminutive given as a name in its own right.

U.S. rank (2023)#16984 ↘ Falling

2023 U.S. births5 girls (0.00% of U.S. girls)

Peak year1922

Total births (all-time)≈ 1,079

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Onnie is a genuine early-twentieth-century American name of uncertain origin. It reads most naturally as an affectionate short form of Ona, or of a longer name ending in -on(n)a, written with the fond -ie ending of its era. Rather than assign a single false root, we note it as a homey diminutive whose exact parent is unclear.

It was always rare — a few dozen girls a year at its faint peak around 1922 — and it faded across the century, though it lingers faintly in the record surprisingly late. It reads as a true vintage -ie name; with its origin uncertain, it has stayed obscure rather than joined the revival of antique names.

Did you know? Warm -ie names like Onnie, Ollie and Vonnie filled the birth record before the First World War, often trimmed from a longer formal name that a family rarely used aloud.

Overall data confidence 35%

References — Onnie — vintage pet form of Ona / -ona names; routes uncertain

Variations

OnieOnnahOney

Nicknames

OnNonie

Famous Bearers

Famous bearers coming soon.

If you like Onnie…

Ona— the short name Onnie most likely elaborates

Ollie— a fellow warm -ie vintage girls' name of the era

Vonnie— shares the -onnie sound and early-1900s feel

Winona— a longer -ona name Onnie might trim from

Explore names like Onnie

By themeuncertain rare english vintage short-form

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Frequently Asked

What does the name Onnie mean?

Onnie is a vintage name of uncertain root, most likely a pet form of Ona or of a longer -ona name. We note that honestly.

How do you pronounce Onnie?

It's said ON-ee /ˈɒn.i/ — two syllables, stress on the first.

Is Onnie a boy or girl name?

Onnie is used as a girl's name.

How popular is Onnie?

Onnie has always been rare in the U.S., a vintage pet name most seen in the early twentieth century.