How Many People Are Named Jacobus?
people named Jacobus are alive in the United States today (estimate)
About 1 in 2,458,883 people in the US has this name
Based on 142 babies named Jacobus in Social Security records from 1979 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
8 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Latin form of JACOB, also used in Dutch.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Jacobus in the records were boys.
👥 Age Distribution
The average person named Jacobus alive today is about 21 years old, and 78% are under 30. Half of them were between 14 and 29 in 2025.
📈 Popularity Over Time
Jacobus first appears in the records in 1979 and was given most often in 1997, to 8 babies. In 2025, 5 babies got the name.
Babies given the name each year, 1979 to 2025
🏆 Rank History
Jacobus has never been one of the 100 most popular boys' names. Its best rank was #5,647, in 1979. In 2025 it ranked #12,772.
| Boys | |
|---|---|
| Rank in 2025 | #12,772 |
| Best rank | #5,647 (1979) |
| Years in the top 100 | None |
| Rank in its biggest decade | #10,794 in the 2000s |
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