he is with his aunt & uncle in the 1911 census:
WILLIAM DELANDER 44 QUEENS CO. A WOOLCOMBER
MARRIED 17 YEARS TO
DELIA 48 SLIGO
CHILDREN
JULIA 16
ANASTACIA 14
MARGARET 12
MARY 10
WILLIAM 4
NEPHEW'S
WILLIAM DUNN 17 QUEENS CO - A DYEHOUSE WORKER
LAWRENCE DUNNE 14 QUEENS CO A WORSTED SPINNER
144 Ingleby St Bradford, YORKS