1901 census Ballawanton Andreas RG13/5300
John Callow Head Mar 56 Farmer b Andreas
Catherine Wife 57 b Ballaugh
Margaret daur. 23 b Andreas
Anna Jane daur 20 b Andreas
George E son 18 farmer's son b Andreas
Thomas son 14 Joiner b Andreas

Same family group in 1891.
Brian Lawson's birt index has Thomas Callow b. Andreas May 27 1886, son of John Callow and Cathrine Quayle