Looking for information on McLay's from Scotland 1850's to Ontario. They show up in Huron in the 1861 census and other Ontario cities in 1871. Mary MacDonald (mother)married 1829 to Kenneth Mclay in Scotland. Children; Donald b. 1931, Catherine b. 1833, Malcolm b. 1835, Allan b. 1837, Christine b. 1841, Kenneth b. 1845, John b. 1847, Murdoch b. 1848 (my g grandfather).