Thanks, but this is mostly all I already have.
Perhaps I should have stated that I am trying to find out more about John McGinley's siblings / parents. I believe his father was also John and "my" John may have had a sister, Ellen, and a brother.
Bannerman -
"Familysearch also has:
Catherine Mc Comb b. 07 Nov 1853, Lower Cumber, Londonderry to Samuel Mc Comb and Jane Knobbs.
And also to the same couple:
David Mc Comb b. 30 Apr 1858
Sarah Jane Mc Comb b. 09 Apr 1860"
Not sure if this is the same family. I have Catherine's father as James