Gunn most often arose as a relationship surname from an Old Norse personal name. The likely sources are Old Norse Gunnr, based on gunnr, “battle,” or Gunne, a pet form of the female name Gunnhildr. In Scotland the surname is strongly associated with Caithness and Sutherland, but the spelling also developed in England, and an Irish Gunn can instead represent a shortened Gaelic surname. The spelling alone therefore does not identify one lineage.
Meaning and Linguistic Origin
The Dictionary of American Family Names gives two closely related explanations for English and Scottish Gunn: derivation from the Old Norse personal name Gunnr, or possibly from Gunne, a pet form of Gunnhildr. In both cases the important point is how the surname formed: it identified someone through an ancestor or other person bearing a Norse name. Its literal “battle” sense describes the old name element, not the later bearer’s occupation or character. Ancestry reproduces the dictionary’s 2022 entry.
Gunnhildr is itself a compound of gunnr and hildr, two Old Norse elements meaning “battle.” The Prosopography of Anglo-Saxon England notes that the name was used in Cnut’s family in eleventh-century England and became more widely used there in the twelfth century. That English history matters because not every English Gunn needs to be explained as a migrant branch of the northern Scottish clan.
For the Scottish surname, George F. Black treated Gunni as an old West Scandinavian personal name and as a short form of longer Norse names beginning with the battle element. Black’s entry also gives the Gaelic forms Guinne and adjectival Gunnach. A separate linguistic study by Alexander MacBain likewise derives the Caithness and Sutherland name from Norse Gunni, a pet form of compound names whose first element was gunnr. MacBain’s entry appears in his study of Gaelic personal names and surnames.
Scotland: Records, Region, and Clan Tradition
The northern association is well supported. ScotlandsPeople’s guide to Scottish surnames, produced by National Records of Scotland, uses Gunn as an example of Norse influence and says that it appears in significant numbers in northern Scotland. This is a historical concentration, not evidence that all Gunn households there shared a recent ancestor.
Black cites a John “son of Gun or Gune” receiving payments in 1327 and 1329. The wording is patronymic rather than a securely fixed hereditary surname, and Black expressly allows that this man may have had a different origin from the later Caithness family. He also records Robert Gun as a deacon of craft in Stirling in 1565. These examples show why an isolated early Gun, Gune, or Gunn should be interpreted in its own document and locality rather than automatically inserted into a clan pedigree. See George F. Black, The Surnames of Scotland (entry “Gunn”).
Clan Gunn tradition traces the family to a twelfth-century Gunni or Guinn. The wording matters: the modern surname dictionary calls this a claimed descent, not an established origin for every bearer. The firmer documented clan history is later. A Scottish Archive Network catalogue entry for Gunn family papers describes extensive family lands in Caithness and Sutherland and identifies George Gunn, the fifteenth-century Crowner of Caithness, as the starting point of the modern lineage in that collection’s administrative history.
This distinction separates clan history from personal genealogy. A documented line reaching a Gunn family in Caithness or Sutherland may belong in that historical setting. Possessing the surname, using clan symbols, or repeating a family tradition does not by itself prove descent from Gunni, George Gunn, or a particular clan branch.
English and Irish Gunn Families
English Gunn is not merely a spelling imported from Scotland. The Norse personal names behind the surname were used in medieval England, and the principal modern surname dictionary classifies Gunn as both English and Scottish. An English line should therefore be interpreted from its earliest known locality before a Scottish connection is proposed.
Irish records introduce a genuinely different possibility. Patrick Woulfe’s Irish Names and Surnames lists Gunn among anglicised forms of Mac Giolla Dhuinn, along with MacElgunn, MacElgun, Gilgunn, Kildunn, and Kilgunn; he translates the underlying name as “son of Giolla donn” (“the brown youth”) and describes it as a rare Sligo surname. Woulfe’s complete entry is available through Library Ireland.
Another 1923 Irish authority, Pádraig Mac Giolla-Domhnaigh, records McElgunn being shortened to Gunn around Clones in County Monaghan, Lisnaskea, and other parts of County Fermanagh. His entry gives @@2@@ and @@3@@ as other forms. The different regional descriptions should not be forced into a single origin story; together they establish that at least some Irish Gunn families can have a Gaelic source independent of the Norse-derived British surname.
Is Gunn Derived from the Weapon?
Standard modern surname references derive Gunn from personal names, not from making or using firearms. The relationship to the ordinary English word gun is subtler than a simple coincidence, however. Merriam-Webster dates the noun to the fourteenth century and explains that it was probably shortened from Gunilda, the name given to a large missile-throwing engine; Gunilda is another form of the Norse name built from the two “battle” elements. Merriam-Webster’s word history therefore points to a shared personal-name background, not to the modern weapon as the source of the family name.
Spellings and Names That Need Care
Gun, Gune, and Gunne occur in historical discussions of the British surname. They are useful search forms, but an early record with one of these spellings is not automatically part of a later Gunn family. Gunnell is a related surname in the modern dictionary’s discussion because it too can derive from Gunnhildr; it should not be treated as merely an interchangeable spelling of Gunn.
In Irish material, MacElgunn, MacElgun, Gilgunn, Kildunn, and Kilgunn can belong to the separate Mac Giolla Dhuinn history. Those forms are especially relevant when a family is documented in Ireland, but they are not general variants to apply indiscriminately to Scottish or English records.
What the Surname Can—and Cannot—Show
The etymology supports three careful conclusions:
- Scottish and English Gunn commonly point back to Old Norse personal-name material.
- The surname has an important, documented northern Scottish history, especially in Caithness and Sutherland.
- Some Irish Gunn families may derive independently from an anglicised Gaelic surname.
None of these conclusions proves that two present-day bearers share a lineage. Establishing that requires a dated chain of records; the etymology supplies historical context, not a family tree.
References
- Hanks, Patrick, Simon Lenarčič, and Peter McClure, eds. Dictionary of American Family Names. 2nd ed. Oxford University Press, 2022. “Gunn” entry reproduced by Ancestry.
- Black, George F. The Surnames of Scotland: Their Origin, Meaning and History. New York Public Library, 1946; reprint, Birlinn, 2022. Google Books catalogue record.
- MacBain, Alexander. Etymology of the Principal Gaelic National Names, Personal Names, Surnames. 1911. Digitised text, entry “Gunn”.
- National Records of Scotland. “Surnames,” ScotlandsPeople.
- Prosopography of Anglo-Saxon England. “Gunnhild” name entry.
- Scottish Archive Network. *Papers of Captain Alexander Gunn of Braehour in Caithness*, GB1741/P200.
- Woulfe, Patrick. Irish Names and Surnames. 1923. “Mac Giolla Dhuinn”.
- Mac Giolla-Domhnaigh, Pádraig. Some Anglicised Surnames in Ireland. 1923. “Gunn”.
- Merriam-Webster. “Gun,” word history.