On 20 September 1843, Robert Pye was baptised in Cloonclare Church of Ireland, County Leitrim, Ireland, son of Simon and Grace Pye, address Moneymore. [Church of Ireland, Baptism Record.]

1881 Census of Canada
Township of Arran, District of North Bruce, Ontario, pages 50–51
House 202, Family 206
Pye, Robert, male, 36, born in Ireland, Church of England, Irish origin, farmer, married
Pye, Eliza Jane, female, 33, born in the U.S., Church of England, Irish origin, married
Pye, Grace M., female, 7, born in the U.S., Church of England, Irish origin, attending school
Pye, Frances W., female, 7, born in the U.S., Church of England, Irish origin, attending school
Pye, William, male, 4, born in Ontario, Chuch of England, Irish origin
Pye, Catherine J., female, 1, born in Ontario, Church of England, Irish origin
Pye, Grace, female, 62, born in Ireland, Church of England, Irish origin, widowed