How Many People Are Named Kelvin?
people named Kelvin are alive in the United States today (estimate)
About 1 in 7,404 people in the US has this name
Based on 51,855 babies named Kelvin in Social Security records from 1912 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
1,380 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
From the name of a Scottish river, perhaps meaning "narrow water". As a title it was borne by the Irish-Scottish physicist William Thomson, Lord Kelvin (1824-1907), who acquired his title from the river.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
Of the babies given the name Kelvin, 0.6% were girls and 99.4% were boys.
👥 Age Distribution
The average person named Kelvin alive today is about 41 years old, and 48% are between 30 and 59. Half of them were between 26 and 58 in 2025.
📈 Popularity Over Time
Kelvin first appears in the records in 1912 and was given most often in 1961, to 1,380 babies. In 2025, 214 babies got the name.
Babies given the name each year, 1912 to 2025
🏆 Rank History
Kelvin has never been one of the 100 most popular boys' names. Its best rank was #207, in 1965. In 2025 it ranked #1,036.
| Boys | |
|---|---|
| Rank in 2025 | #1,036 |
| Best rank | #207 (1965) |
| Years in the top 100 | None |
| Rank in its biggest decade | #222 in the 1960s |
📍 State-Wise Distribution
People named Kelvin alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kelvin were born in New York than in any other state: about 4,550 of those alive today. Compared with the national rate in the same years, Kelvin was given 3.9 times as often in Mississippi, 3.4 times in Alabama and 3 times in District of Columbia.
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