Looking for death info Timothy Clarke, County Longford most likely

There's a death on the 28th October 1879 in the same district and townland as Timothy jnr's birth Fort William, Ballymahon - Timothy Clarke married male, reported age 36 years, occupation farmer, cause of death 'disease of the valves of the heart', 6 month certified, death reported by Celia Clarke, also of Fort William
See the last entry on the register page : https://civilrecords.irishgenealogy.ie/churchrecords/details-civil/9351…

Timothy and Celia married in County Roscommon Cloontuskert Catholic Church, first marriage for both ages 24 and 22, occupation reported for Timothy of 'farmer', his residence as Fort William, the bride's as Westfield, the fathers are Peter Clarke and James[?] Barlow both farmers. The witnesses seem to be John Brennan and Bridget Gav.ian[?]

See the last entry in the register image : https://civilrecords.irishgenealogy.ie/churchrecords/details-civil/d19d…

Fortwilliam townland is in Cashel civil parish, Co. Longford, the Catholic Parish was also named Cashel or 'Newtowncashel' with a chapel at Newtown in Cornadowagh townland. Baptism records for the parish cover back to 1830 so if Timothy snr was born there he could appear in these registers. Newtowncashel register images : https://registers.nli.ie/parishes/0153

Fortwilliam townland is quite close to the county border with County Roscommon - just a few km away across Lough Ree...

Griffith's Valuation shows a Peter Clarke sharing a lease on a house and quite a large plot land at Fort William townland, this portion of the valuation is dated October 1854