Denson
A surname usually understood as meaning “Dennis’s son,” with medieval forms also linked to Denning and Denison.
The #2,893 most common surname in the United States (2010 Census) — about 1 in every 24,861 Americans shares it.
Etymology
Denson is generally treated as a patronymic surname built from the given name Dennis, with the suffix -son meaning “son of.” Earlier surname collections also connect it with related forms such as Denning and Denison, all from the same name family. The personal name Dennis ultimately goes back through French and Latin to Dionysius, the classical name associated with Dionysus.
History
The name appears in English surname tradition as one of several Dennis-based forms, alongside Dennison, Denny, and related spellings. Irish materials also record Denson as a surname found in Ireland, though the excerpts do not give a full local origin story. In modern usage it is relatively uncommon and is mostly encountered in English-speaking countries, especially the United States.
Origin
Regions
Variant spellings
Fun fact
Nineteenth- and early-twentieth-century surname writers often grouped Denson with a whole family of Dennis-derived names, showing how fluid surname spelling could be.
From the historical record
“6 "Oonnjui^A, Denis, Dennis, Denison, Dennison, Denson. 6 "OortAiT), Durry, (?) Dorr. (?) Durr. 6 "OoittAin, Derivan, Derivin.”
— Sloinnte Gaedheal is Gall: Irish names and surnames