How Many People Are Named Ontario?
people named Ontario are alive in the United States today (estimate)
About 1 in 407,857 people in the US has this name
Based on 877 babies named Ontario in Social Security records from 1967 to 2024, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
35 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Ontario in the records were boys.
👥 Age Distribution
The average person named Ontario alive today is about 32 years old, and 56% are between 30 and 59. Half of them were between 22 and 43 in 2025.
📈 Popularity Over Time
Ontario first appears in the records in 1967 and was given most often in 1991, to 35 babies. The last year it was given to at least 5 babies of one sex was 2024.
Babies given the name each year, 1967 to 2024
🏆 Rank History
Ontario has never been one of the 100 most popular boys' names. Its best rank was #1,966, in 1973.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #1,966 (1973) |
| Years in the top 100 | None |
| Rank in its biggest decade | #3,128 in the 1990s |
📍 State-Wise Distribution
People named Ontario alive today, by the state where they were born (estimate; state records start in 1910).
More people named Ontario were born in Georgia than in any other state: about 28 of those alive today.
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