Ontario
Ontario is the southernmost province of Canada. Located in Central Canada, Ontario is the country's most populous province. As of the 2021 Canadian census, it is home to over 14 million people, which is 38.5% of the country's population. Ontario is the second-largest province by total area and the fourth-largest jurisdiction of all the Canadian provinces and territories.
Meaning & Origin of Ontario
What this name means, where it came from, and how it has traveled across cultures.
Ontario is the southernmost province of Canada. Located in Central Canada, Ontario is the country's most populous province. As of the 2021 Canadian census, it is home to over 14 million people, which is 38.5% of the country's population. Ontario is the second-largest province by total area and the fourth-largest jurisdiction of all the Canadian provinces and territories.
Source: Wikipedia (CC BY-SA 3.0). Read more →
Etymology
Origin & history
The Story of Ontario
Ontario first appeared in U.S. Social Security Administration records as a baby boy name in 1967, with 5 babies given the name that year. Its peak popularity came in 1991, when 35 Ontarios were born — ranking #2,096 that year. As of 2026, Ontario ranks #9,864 for baby boys with 7 births, with steady use. In total, more than 877 Ontarios have been born in the U.S. since records began in 1880, spanning the 1960s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Ontario
Phonetically similar names — useful when Ontario is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Ontario
What does the name Ontario mean?
How popular is Ontario in 2026?
When was Ontario most popular?
In which U.S. states is Ontario most popular?
Is Ontario a unisex name?
What names go well with Ontario?
About the name Ontario
Ontario is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1967 and has accumulated 877 births in the dataset. Ontario's peak popularity came in 1991 when it ranked #2,096. Use the chart and map above to compare Ontario's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1991 →
- Names of the 1990s →
- Names starting with "O" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.