I don't know his occupation but I believe Robert Quayle Cannell Married Ann Moore and died in 1873.
Their children were Annie 1850, Hugh, Thomas Edward 1859, Elizabeth Ellen 1865, and Lily.

This is your Robert in 1881:
1881 Braddan IOM Census Dwelling: Renscault
Robert CANNELL Head M Male 61 Braddan Carpenter Employing 1 Boy (Master)
Jane CANNELL Wife M Female 57 Braddan Carpenters Wife
Emily J. CANNELL Daur U Female 30 Braddan Dressmaker
Edward V. CANNELL Son U Male 16 Braddan (Carpenters Son)
Isaac C. CANNELL Son Male 11 Braddan Scholar
Catharine M. CALLIN Grand Daur Female 11 Braddan Scholar