1901 census - Newbliss (town), Killeevan parish, Co. Monaghan, Ireland
Rowland Allen - age 75 - born Co. Monaghan - religion: Church of Ireland - can read - labourer Bessie Allen - wife - 67 - born Co. Monaghan - Presbyterian - cannot read House: 3 rooms, 3 windows in front, walls of brick/stone, roof thatch/wood.
This Rowland Allen was born about 1826 and was probably another son of Rowland Allen Sr. He may be the man counted in Griffith's Valuation, if his father had died before about 1860.
Also in the 1901 census, here is the widowed Matilda Calvin Allen:
1901 census - Corduff townland, Aghabog parish, Co. Monaghan
Matilda Allen - head of family - age 70 - born Co. Monaghan - Presbyterian - widow - can read & write John Allen - son - age 40 - born Co. Monaghan - Presbyterian - farmer - not married - can read & write Also in h/h: James Scott, 25, & Rose McCall, 20 - servants House: 4 rooms, 3 windows in front, walls of mud/wood, roof thatch/wood, 10 outbuildings.