Jacobus
Boy nameJacobus has been given to 142 babies in the U.S. since 1979. It peaked in 1997. In 2025, about 1 in 341,615 boys was named Jacobus.
Popularity over time births per year, 1880–2025
Total babies
142
Peak year
1997 (8 babies)
Rank in 2025
Below top 1000
First recorded
1979
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Jacobus.
Sibling name ideas for Jacobus
Same era and popularity as Jacobus, avoiding matching initials or rhymes.
FAQ
How popular is the name Jacobus?
Jacobus has been given to 142 babies in the U.S. since 1979. It ranked below the top 1000 in 2025.
When did the name Jacobus peak?
Jacobus peaked in 1997, when 8 babies were given the name.
Is Jacobus a girl or boy name?
Jacobus is primarily a boy name (100% of babies named Jacobus are boys).
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