Boy · #10,889 in 2026

Jacobus

Jacobus is a masculine first name, which is a variant of Jacob, Jack and James. The name may refer to:

  • Dutch
  • Late Roman
Current Rank
#10,889
Peak Rank
#6,618 (1997)
Total Babies
137
5-Yr Trend
Stable
1979
First Year
2024
Last Year
1997
Peak Year
#6618
Peak Rank
137
Total Count
24
Years Active

Meaning & Origin of Jacobus

What this name means, where it came from, and how it has traveled across cultures.

Jacobus is a masculine first name, which is a variant of Jacob, Jack and James. The name may refer to:

Source: Wikipedia (CC BY-SA 3.0). Read more →

Cultural Origins (via Behind the Name)

  • Dutch
  • Late Roman

The Story of Jacobus

Jacobus first appeared in U.S. Social Security Administration records as a baby boy name in 1979, with 6 babies given the name that year. The name hit its high-water mark in 1997: 8 births, good for #6,618 nationwide. About 34% of every Jacobus on record arrived during the 2000s, its defining decade. Jacobus last appeared in the published SSA data in 2024, with 6 recorded births — it has not charted nationally since. All told, over 137 Americans have carried the name since 1880, from the 1970s to the 2020s.

Popularity Over Time

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Variants & Related Forms of Jacobus

Foreign forms, alternate spellings, and nicknames that share roots with Jacobus. Linked entries have a profile on Peek a Name.

Names that sound like Jacobus

Phonetically similar names — useful when Jacobus is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Jacobus

What does the name Jacobus mean?
Jacobus is a masculine first name, which is a variant of Jacob, Jack and James. The name may refer to:
What is the origin of the name Jacobus?
Jacobus has roots in the following cultural and linguistic traditions: Dutch, Late Roman.
How popular is Jacobus in 2026?
In 2026, Jacobus ranks #10,889 among boys' names in the U.S., with 6 babies given the name that year.
When was Jacobus most popular?
Jacobus reached its peak popularity in 1997, ranking #6,618 that year with 8 babies given the name.
Is Jacobus a unisex name?
In U.S. Social Security records, Jacobus is primarily a boy's name. We don't have meaningful data for it as a girl's name.
What names go well with Jacobus?
Names that share a similar style or popularity range with Jacobus include Laurencio, Jarman, Tayari. These pairings are based on rank proximity and naming era in U.S. data.
What are nicknames or variants of Jacobus?
Common variants and related forms of Jacobus include Cobus, Coos, Iacomus, Jaap, Jacob, Jakob. These cover foreign-language equivalents, alternate spellings, and short forms.

About the name Jacobus

Jacobus is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1979 and has accumulated 137 births in the dataset. Jacobus's peak popularity came in 1997 when it ranked #6,618. Use the chart and map above to compare Jacobus's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.