Here is the family in Central Lydbrook in 1911

MONGAN, Godfrey Head Married M 32 1879 Anealer Tin Plate Works Coleford Gloshire
MONGAN, Clara Elizabeth Wife Married 8 years F 32 1879 Ross Herefordshire
MONGAN, Thomas F Son M 7 1904 Lydbrook Gloshire
MONGAN, Cyril J Son M 5 1906 Lydbrook Gloshire
MONGAN, Dorothy M E Daughter F 2 1909 Lydbrook Gloshire
COLLETT, William Boarder Widower M 29 1882 Carpenter Withington Herefordshire
COLLETT, Christopher Boarder M 5 1906 Lydbrook Glos