Ontario vs Ontarius

Side-by-side comparison of Ontario and Ontarius — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Ontario

Boy name · Rank #10058

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Name B

Ontarius

Boy name

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Which name is more popular?

Metric Ontario Ontarius
Current Rank #10058 Unranked
Total Births (all years) 877 13
Peak Year 1991 1991
Peak Year Births 35 7
Peak Decade 1990ss 1990ss
Gender Boy Boy
First Recorded Year 1967 1991

Births by Decade

Decade Ontario Ontarius
1960ss 11 —
1970ss 163 —
1980ss 205 —
1990ss 225 7
2000ss 161 6
2010ss 76 —
2020ss 36 —

Recent Annual Births (2014–present)

Year Ontario Ontarius
2014 9 —
2016 10 —
2017 6 —
2018 8 —
2019 5 —
2020 8 —
2021 14 —
2022 7 —
2024 7 —

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1967–2024.

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