Thomas McKay (Canadian politician)
 Thomas McKay (January 8 1839 – January 13 1912) was a Canadian politician.Born in Pictou County Nova Scotia the son of William McKay who emigrated from Sutherland Scotland McKay was educated in Pictou. In 1868 he married Jessie Blair. A merchant he was first elected to the Canadian House of Commons for Colchester in the 1874 general election. Unseated on petition in November 1874 he was re-elected and again in 1878.