Jm
A shortened form of the masculine name James, from Jacob, meaning "supplanter".
Name Census estimates that about 5 living Americans carry the first name Jm. The name is used almost exclusively for boys. The average person named Jm today is around 45 years old, and the year with the single highest number of Jm births was 1978 (5 babies).
This page is the full Name Census profile for Jm. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Jm. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
1978
5 babies that year
Average age
45
years old
1978 SSA rank
#6,256
Tracked since 1978
Popularity
Jm: popularity over time
Babies born per year
Decades
Jm by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Jm during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1970s | 5 | 0 | 5 |
Origin
Meaning and history of Jm
The name Jm is a relatively uncommon name with an elusive origin. It is believed to be a variation or abbreviation of a longer name, potentially derived from various languages and cultures across different eras.
One possible source of the name Jm could be the ancient Hebrew language. In biblical times, names with the letters "J" and "M" were not uncommon, such as Jeremiah, Jemima, or Jehoshaphat. However, there is no clear evidence of the specific name Jm being used in ancient Hebrew scriptures or historical texts.
Another potential origin could be traced back to the Roman Empire. The Roman alphabet did not have the letter "J," so names like Julius or Janus were spelled with an "I" instead. It's possible that Jm was a shortened form of a Roman name that began with these letters, although specific records are scarce.
In medieval Europe, the name Jm may have been used as a shortened version of more common names like James or John. During this period, scribes and record-keepers often abbreviated names for convenience, and Jm could have emerged as a shorthand form.
One of the earliest recorded individuals with the name Jm was Jm Segar, an English barrister who lived in the late 16th century. Another notable figure was Jm Williamson, a Scottish merchant and fur trader who was active in the early 18th century.
In the 19th century, Jm Synge, an Irish playwright and poet, was born in 1871. His works, such as "The Playboy of the Western World," had a significant impact on Irish literature.
Another influential figure was Jm Keynes, an English economist who lived from 1883 to 1946. His economic theories and contributions to macroeconomics were groundbreaking and influential in the 20th century.
Lastly, Jm Barrie, the Scottish novelist and dramatist, was born in 1860. He is best known for creating the character of Peter Pan in his famous play "Peter Pan, or The Boy Who Wouldn't Grow Up."
While the name Jm remains uncommon and its origins uncertain, it has been borne by various individuals throughout history, each leaving their mark in their respective fields and eras.
People
Jm + last name combinations
How many people share a full name with Jm as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with J
Other first names starting with J with a similar number of bearers.
FAQ
Jm: questions and answers
How many people in the U.S. are named Jm?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Jm going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 68,550,868 US residents.
Is Jm a common name?
We classify Jm as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Jm most popular?
The single biggest year for Jm was 1978, when 5 babies received the name. The fact that the average living Jm is about 45 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Jm in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Jm a male name?
Yes, 100.0% of people registered as Jm in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Jm still being used today?
Yes. The SSA still recorded Jm in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Jm can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people have the name Jm?
For a quick modern take, check how many people share the name Jm on our sister site HowManyOfMe.org.