Bill Cahan, architect, graphic designer, and founder of design firm Cahan and Associates
By the Civil War of the mid-seventeenth century there was already a centuries old blood feud running between the Campbell and Macdonald clans.
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David Leslie, a leading highly experienced soldier and Covenanter, attacked O'Cahan's men as they were just waking up at an encampment in Philiphaugh (near to the site of today's Selkirk Rugby football club ) on 13 September 1645.
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As part of that feud, the Campbells had seized ownership of the Hebridean isles of Islay and Colonsey from an aged warrior called Colkitto (known as Col Ciottoch, Scots Gaelic for he who fights with both hands, as he was ambidextrous).
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The MacDonnells, Irish cousins to the Macdonalds offered to sail to Scotland to serve the King, hoping to use the conflict to gain their homes back as a reward if the Royalists won.
Cahan was a member of the American Economic Association, and American Academy of Political and Social Science.
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As Secretary of State of Canada, Charles Cahan was a Canadian delegate to the League of Nations (predecessor to the United Nations) in 1932, at which he gave a speech on Canada's position in respect of the then dispute between Japan and China.
Tyrone and Tyrconnell fled from Ireland early in September 1607 (the Flight of the Earls); O'Cahan, who ruled the greater part of what is now County Londonderry, and of O'Doherty, the chief of Inishowen in County Donegal, came under some suspicion.
Cahan served as a captain in the 1st Canadian Pioneers during World War I; he was seriously wounded during the war and later died in Halifax at the age of 39 as the result of his wounds.
Judah Leib Cahan (1881, Vilna, Lithuania – 1937, New York City) was a Yiddish folklorist.
O'Donnell was also an important teacher who counted Robert Joffrey, Ben Vereen, Cora Cahan, and Gerald Arpino among her students.