Regarding our mystery man John Patterson: He's Philip & my great-grandfather. His timeline is something like:
1847 - born in Ireland, per the 1901 England census (no birth record found yet).
186? - presumably married for the first time; no known marriage record.
1867 - had a son John H. Patterson, born in "Northern Ireland". Year given in 1900 US census for John H.
1878 - married Catherine O'Kane, presumably his 2nd wife, in Belfast.
1887 or thereabouts -- his wife Catherine passed away.
1898 or thereabouts -- married his 3rd wife Annie, maiden name unkown, in Liverpool.
1916 - passed away in Liverpool.
Missing facts include parents' names, the maiden names of his 1st and 3rd wives, and whether he had siblings.