Oooh I don't like to be defeated by mere computers! He is listed on the 1861 census under George James!No wonder you couldn't find him. Anyway the whole family are there:
White John 43 Head Grocer Assistant St Ives, Huntingdonshire
White Susanna 41 Wife Wife St Ives, Huntingdonshire
White Ephraim 18 Son Apprentice To Engineer St Ives, Huntingdonshire
White John 17 Son Printers Journeyman St Ives, Huntingdonshire
White Thomas 15 Son Apprentice To Plumber & C St Ives, Huntingdonshire
White Alfred 13 Son Scholar St Ives, Huntingdonshire
White Cate 12 Daughter Scholar St Ives, Huntingdonshire
White Charles R 9 Son Scholar St Ives, Huntingdonshire
White Anna M 8 Daughter Scholar St Ives, Huntingdonshire
White Susanna 7 Daughter Scholar St Ives, Huntingdonshire
White William 5 Son Scholar St Ives, Huntingdonshire
James George 8 MO Son St Ives, Huntingdonshire