The only reference I have to "JOHN HASSARD" is that he is the father of ALEXANDER HASSARD. (per his marriage). Todate I've been unable to identify him.
Your Jane Hassard's father was also a JOHN .... and possibly married in the same church? Can we connect these two in any way?
My Alexander Hassard b abt. 1840 m. 1867 Enniskillen Parish, Emily Perry, (Their children were baptised in CofI, Cleenish, Bellanaleck) Children:
1- WILLIAM JOHN - WILLIAM after her father, JOHN after his father. This is the only family I can follow thru on.
2- SARAH JANE - any connection to your Jane?
3- ALEXANDER "Sandy" - named after his father
4- MARIA "TERESA"
5- CATHERINE "KATE" - died at age of 26 unmarried
6- EMILY - named after her mother
7- JOHNSTON - served in Boer War, moved to England
8- JAMES "JOSEPH" - served in Military (per church plaque)
9- ROBERT HENRY - immigrated to Canada, served in the military in Canada, - married, but no family