NameCensus.

UK boy's name

Jacobus

A masculine name of Hebrew origin meaning "supplanter" or "one who grasps the heel".

For 2026, the newest official UK baby-name figures on this page are from 2023. That release is the current official benchmark rather than a forecast.

Jacobus is a boy's name in the UK records. People looking for Jacobus popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4991, with 3 babies registered with the name. Its strongest year in the published records was 2007, with 4 births.

This profile covers 20 England and Wales registrations across 6 recorded years from 2004 to 2023. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 75% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 20 living people in the UK are called Jacobus. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2024 or 2026.

Key insights

  • Jacobus ranked #4991 for boys in England and Wales in 2023, with 3 registrations.
  • The name peaked in 2007, when 4 boys were registered as Jacobus.
  • About 20 living people in the UK are estimated to have Jacobus as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4991

2023

Births in 2023

3

Latest year

Peak year

2007

4 births

Estimated living

20

2026

Meaning

What does Jacobus mean?

The given name Jacobus has its origins in the Hebrew language, deriving from the name Ya'aqov, meaning "supplanter" or "one who follows". It is the Latin form of the name Jacob, which is found in the Old Testament of the Bible. The name gained widespread usage during the Roman era, as many early Christians adopted the Latin versions of biblical names.

Jacobus is closely related to the names Jacob, James, and their various linguistic derivations across different cultures and languages. In ancient times, the name was particularly popular among Jewish and early Christian communities, as it held significant religious and cultural significance.

One of the earliest recorded instances of the name Jacobus can be found in the New Testament, where it refers to James, the son of Zebedee and one of the twelve apostles of Jesus Christ. Another notable figure from the Bible bearing this name is James, the brother of Jesus, who is often referred to as James the Just.

Throughout history, several notable individuals have borne the name Jacobus. One of the most prominent was Jacobus de Voragine (c. 1230-1298), an Italian chronicler and archbishop of Genoa, best known for his work Legenda Aurea, a collection of saints' lives that greatly influenced medieval hagiography.

Another notable bearer of the name was Jacobus Arminius (1560-1609), a Dutch theologian and pastor who founded the Remonstrant movement within Calvinism, which later became known as Arminianism. His teachings challenged the doctrine of predestination and emphasized free will.

In the field of mathematics, Jacobus Bernoulli (1654-1705) was a Swiss mathematician and scientist who made significant contributions to the development of calculus and probability theory. He is also known for the Bernoulli numbers and the Bernoulli form of the Euler-Maclaurin formula.

Another notable figure was Jacobus Houbraken (1698-1780), a Dutch engraver and writer who is best known for his biographical work "The Great Theatre of Dutch Painters and Draughtsmen" (De Groote Schouburgh der Nederlantsche Konstschilders en Schilderessen), which provided valuable information about Dutch artists from the 16th and 17th centuries.

Lastly, Jacobus Fridericus Fries (1773-1843) was a German philosopher and Protestant theologian who made significant contributions to the field of epistemology. He is known for his theory of "anthropological knowledge," which emphasized the subjective nature of human perception and experience.

Sourced from namecensus.com.

Popularity

Jacobus over time

The chart below shows babies named Jacobus registered in England and Wales in the years where the name appears in the published records, from 2004 to 2023. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Jacobus, the clearest high point is 2007. The latest England and Wales figure is 3 births in 2023, compared with 4 at the peak.

Babies born per year

Jacobus
01234200420132023

Decades

Jacobus by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Jacobus was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #4991 3 1
2010s #4812 3 1
2000s #3708 14 4

Related

Names similar to Jacobus

FAQ

Jacobus: questions and answers

How popular is the name Jacobus in the UK right now?

In 2023, Jacobus was ranked #4991 for boys in England and Wales, with 3 births registered.

When was Jacobus most popular?

The peak year on record was 2007, with 4 babies registered as Jacobus in England and Wales.

What is the meaning and origin of Jacobus?

A masculine name of Hebrew origin meaning "supplanter" or "one who grasps the heel".

How many people are called Jacobus in the UK?

A total of 20 babies have been registered as Jacobus across the 6 years of ONS England & Wales records shown here.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.