George Stevenson & Margaret Scott Families 1781 -?

Hello, My name is James Lewis Nantais from Palm Springs, California USA. I would love ot learn more and farther back of where The Stevenson family started in Scotland. My Great Great Grandfather on my Grandmother's side of the family is Alexander Stevenson (He was my Great Grandmother Constance Louie (Elsie) 's Grandfather) b. December 27, 1818. He migrated to Ontario Canada abt 186? and drowned in Lake Ontario June 22, 1878. His parents were : George Stevenson b. abt 1775-1785? I have no documentaion of his Birth, Marriage or death. I believe that he and Margarett immigrated to Canada. George was married to Margarett Scott b. 1775-1785? They had 11 children: (Not sure which were born in Scotland or Canada) Alexander Stevenson b December 27, 1818 Eckford , Scotland or Kelso? William Stevenson b. January 1924 Ontario, Canada John Stevenson b. June 6, 1814 Hannah Stevenson b. October 27, 1809 Agnes Stevenson b. November 5, 1823 Andrew Stevenson b. June 8, 1828 James Stevenson b. December 29, 1825 Elizabeth Stevenson b. July 16, 1830 Robert Stevenson b. February 12, 1820 George Stevenson b. Aug 8, 1816 Margaret Stevenson b. October 5, 1811 Thank you for any information of this family ancestry. Truly, James My email: jamesnantais@yahoo.com