1911 Census:
Derrylcassan Townland, Mullangha, Longford
Thomas Gillespie, 47, head of famiy, born Co Monaghan, farm stewart, married, Church of Ireland with his wife and 5 boys & 4 girls. (2 children have died)
- Sarah J Gillespie, wife, age 42, Church of Ireland, married 24 years: 13 children born, 11 children living
- John Gillespie, age 23 birthplace Longford, Prvate North Irish Horse occupation, son, single
- Sarah Helen Gillespie, age 19, born Co Longford, daughter, single
- Albert R Gillespie, son, 16, single, b Co Longford, Church of Ireland, working on farm
- Margaret L Gillespie, age 13, single, b Co Longford ,scholar
- Charles I Gillespie, son, age 11, single, b Co Longford
- Alice E Gillespie, age 9, daughter, b Co Longford, scholar, single
- Ida Gillespie, age 6, daughter, single, scholar
- George D Gillespie, 3, son, b Co Longford,
- Thomas W Gillespie, 0, son, b Co Longford