Show ContentsDennan History, Family Crest & Coats of Arms

The old family name Dennan is thought to have derived from the place name Dunoon (Dunomhainn in Gaelic), located in Argyll and Bute, Scotland, on the Firth of Clyde.

Early Origins of the Dennan family

The surname Dennan was first found in Ross-shire (Gaelic: Siorrachd Rois) a former county, now part of the Council Areas of Highland and Western Isles in Northern Scotland, which emerged from the Gaelic lordship of the Earl of Ross. Today Dunoon is a town situated on the Cowal Peninsula in Argyll and Bute but was originally a barony in Argyllshire. 1

Early History of the Dennan family

This web page shows only a small excerpt of our Dennan research. Another 146 words (10 lines of text) covering the years 1255, 1265, 1296 and 1606 are included under the topic Early Dennan History in all our PDF Extended History products and printed products wherever possible.

Dennan Spelling Variations

Spelling variations of this family name include: Denoon, Dennin, Denning, Denune, Dunnoon, Dunoon, Denoone and many more.

Early Notables of the Dennan family

More information is included under the topic Early Dennan Notables in all our PDF Extended History products and printed products wherever possible.


United States Dennan migration to the United States +

Some of the first settlers of this family name were:

Dennan Settlers in United States in the 19th Century
  • James Dennan, aged 38, who arrived in Mobile, Ala in 1850 2
  • John Dennan, who landed in Mississippi in 1860 2

Canada Dennan migration to Canada +

Some of the first settlers of this family name were:

Dennan Settlers in Canada in the 19th Century
  • Michael Dennan, who arrived in Nova Scotia in 1827


  1. Black, George F., The Surnames of Scotland Their Origin, Meaning and History. New York: New York Public Library, 1946. Print. (ISBN 0-87104-172-3)
  2. Filby, P. William, Meyer, Mary K., Passenger and immigration lists index : a guide to published arrival records of about 500,000 passengers who came to the United States and Canada in the seventeenth, eighteenth, and nineteenth centuries. 1982-1985 Cumulated Supplements in Four Volumes Detroit, Mich. : Gale Research Co., 1985, Print (ISBN 0-8103-1795-8)


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