I don't live in the area.
I should contact the church and ask if they have any records.
Found these deaths on GRONI you can pay to view the records https://geni.nidirect.gov.uk/search/death
Edward McManus 5th January 1892 60 Male Irvinestown
Edward McManus 9th April 1893 70 Male Enniskillen
Edward McManus 17th May 1893 72 Male Enniskillen
Edward McManus 15th June 1900 57 Male Lisnaskea