Seeking information on Andrew Johnston who immigrated from Ireland in mid 1850's. Was married to Elizabeth Nickelson. Children included my great grandfather, John Johnston who was b. Feb 2, 1861 in Hensall (Hay) Huron County Ontario. Other children were Elizabeth b. 1849, Margaret b. abt 1855, Edward b. abt 1857, Andrew b. abt 1865, Jane b. abt 1869, Mary b. abt 1871, Emmaline b. abt 1877 and James b. abt 1879. Family lore is that Andrew died along with two oldest sons from smallpox. Elizabeth married his cousin of the same name (Andrew), who was 14 years her junior, and they had more children.
John married Sarah Mitchell daughter of Robert and Sarah Mitchell. She was b. in Blythe.
Any information would be helpful. Thank you,