Dermont
Anglicized form of the Irish name Diarmaid meaning "free from envy".
Name Census estimates that about 11 living Americans carry the first name Dermont. The name is used almost exclusively for boys. The average person named Dermont today is around 50 years old, and the year with the single highest number of Dermont births was 1920 (6 babies).
This page is the full Name Census profile for Dermont. 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 Dermont. It is among the rarest names in the SSA records.
People living today
11
~ 1 in 31,159,485 Americans
Peak year
1920
6 babies that year
Average age
50
years old
1990 SSA rank
#8,447
Tracked since 1917
Popularity
Dermont: popularity over time
The SSA tracks Dermont from the 1910s through to the 1990s, spanning 5 decades of birth certificate data. The biggest single decade for the name was the 1920s, with 6 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.
Babies born per year
Decades
Dermont 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 Dermont during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Dermont
The given name Dermont has its origins rooted in the Gaelic language, originating from the Old Irish word "dermait" or "diarmaid," which means "free from envy" or "without jealousy." This name finds its roots in the early medieval period, commonly used among the Irish Celts and later adopted by Scottish Gaels.
One of the earliest recorded instances of the name Dermont can be found in the ancient Irish mythological tale "The Pursuit of Diarmuid and Grainne," which dates back to the 8th century. In this epic story, Diarmuid (Dermont) is a legendary hero and warrior who elopes with Grainne, the betrothed of the legendary king Finn MacCool.
Throughout history, several notable individuals have borne the name Dermont. One of the earliest recorded was Dermont O'Brien (1178-1194), an Irish king who ruled over Munster in the late 12th century. Another notable figure was Dermont MacMurrough (c. 1110-1171), an Irish king of Leinster who played a pivotal role in the Norman invasion of Ireland in 1169.
In the 13th century, Dermont O'Donnell (c. 1234-1307) was an influential Irish chieftain and ruler of Tyrconnell (modern-day County Donegal). He is remembered for his long-standing resistance against the Anglo-Norman invasion and his efforts to preserve Irish independence.
Moving forward to the 16th century, Dermont O'Malley (c. 1530-1600) was an Irish sailor and sea captain who became renowned for his maritime exploits and his successful resistance against English colonization efforts in Ireland.
Another notable figure was Dermont O'Sullivan Beare (c. 1560-1618), an Irish chieftain and military leader who led a significant resistance against English forces during the Nine Years' War in Ireland (1594-1603).
While the name Dermont has its roots in Irish and Scottish Gaelic cultures, it has been adopted and adapted in various forms across different regions and languages over the centuries. However, its core meaning and historical significance remain deeply rooted in the Celtic heritage and the rich tapestry of Irish mythology and history.
People
Dermont + last name combinations
How many people share a full name with Dermont as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with D
Other first names starting with D with a similar number of bearers.
FAQ
Dermont: questions and answers
How many people in the U.S. are named Dermont?
Name Census puts the figure at roughly 11 living Americans. We arrive at this by taking every SSA birth registration for Dermont 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 31,159,485 US residents.
Is Dermont a common name?
We classify Dermont as "Very Rare". It ranks above 30.8% of all first names in the SSA dataset by living bearers. Across the full history of the data, 26 babies have been registered with this name.
When was Dermont most popular?
The single biggest year for Dermont was 1920, when 6 babies received the name. The fact that the average living Dermont is about 50 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 Dermont in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Dermont a male name?
Yes, 100.0% of people registered as Dermont 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 Dermont still being used today?
Yes. The SSA still recorded Dermont 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 Dermont 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 Americans are named Dermont?
Want to know how many Americans are named Dermont? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.