1851 Maughold, 31?Dreemskarry:
Robert CORKHILL, head, married, 29,labourer
Mary, wife, married, 32, housekeeper
John, son, 7
Robert, son, 5
Thomas, son, 3
James, son, 1

Their ages are one year less than you stated as their birthdays must have been after the census on March 30/31.
Janet (in sunny Stockport!)