Birth: October-December 1871 Fulham, Middlesex, UK
Father: Joseph Croucher 1839-1917
Mother: Ellen Pitt 1840-1917
Death: After 1881
Birth of Joseph Croucher in FreeBMD in October-December 1871 in Kensington (1a 227).
His brother Oliver was in Hammersmith in 1973 and Owen in Bermondsey in 1876.
In the 1881 census as Joseph Croucher aged 9, born in Fulham, Middlesex, and living with his father (Joseph), two brothers (Leo and Oliver) and sister (Hannah), a housekeeper (Emily Pitt aged 37, born in Chailey, Sussex, and single), and four boarders (Alfred M. Pitt aged 34, born in Chailey, Sussex and a carpenter, Caroline Beck aged 36, born in East Grinstead, Surrex, married, and a packer at a factory, Ellen Beck aged 6 and born in Hammersmith, and Marion Moss aged 40, born in Torquay, Devon, widowed and a teacher) at 63 Brook Green, Hammersmith, London. His mother was a visitor to Harry Broomfield and family at 23 Cornwall Road, and she was widowed and a laundress.
I cannot find any later information.