Holding steady.
Popularity of Dermot since 1917
Babies named Dermot per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1910s | 11 |
| 1920s | 10 |
| 1930s | 0 |
| 1940s | 10 |
| 1950s | 58 |
| 1960s | 105 |
| 1970s | 72 |
| 1980s | 5 |
| 1990s | 39 |
| 2000s | 98 |
| 2010s | 61 |
| 2020s | 13 |
Meaning & origin
Dermot is a distinctly Irish name with ancient roots but has remained rare in the United States. The first recorded use in U.S. Social Security data was in 1917, and its peak year of usage was 1969, when it saw a modest uptick in births. Since then, its trajectory has been stable but very low, with consistently few births each year. The name never ranked among the top 1000 names nationally, and no state registered it with enough frequency to appear in the top-state data. Dermot carries the weight of Irish history and mythology but has not experienced the revival seen with some other Celtic names. Its rarity may appeal to parents seeking a traditional Irish name that remains uncommon.
Dermot is an anglicized form of the Irish name Diarmaid or Diarmuid. Its etymology is debated, with some sources suggesting it derives from "di" (without) and "airmait" (envy), thus "free from envy." The name has been borne by several early Irish kings and saints, including the 6th-century Saint Diarmuid of Inis Clothrann. It has been used in Ireland for centuries and gained some popularity in the English-speaking world during the 20th century.
“Dermot” around the world
Where Dermot lands in the latest official birth statistics abroad, matched to the U.S. spelling.
Ireland
3
babies in 2025
Sources: CSO Ireland (Ireland).
Nicknames & variants
Nicknames: Derry, Dee, Derm
Sibling names for Dermot
Names that share Dermot's style, for a brother or sister.

