Nelson Coil can be found in the Ontario Register on page 76. This is a record for his marriage to Mary Ann McKinney on April 5, 1836 by Rev. Samuel Baker, Regular Baptist Church, Malahide.
Nelson Koyle can be found in the 1871 Ontario census in Dorchester South, Elgin East. He was 60 years old and listed as the head of his household.
The Ontario, 1858-1869, Marriage Index lists Nelson and Mary as the parents of Alice Coil who was age 17 at the time of her marriage to Wm. Atkinson on 1/9/1965. The bride and groom were both residents of Dorchester Twp., Elgin County. Marriage place: Aylmer. Microfilm Roll: 1030056.
In the same index Nelson Koyle and Mary A. Koyle are listed as the parents of Hannah M. Koyl who was age 27 at the time of her marriage to Benjamin Willis on 1/1/1861. Both the bride and groom were residents of South Dorchester. Microfilm Roll: 1030062