A simple search here on freebmd gives a candidte birth year of 1866 Doncaster district and a 1894 marriage in Wales.
Her father Clifford or Crawford from Swindon was an engine fitter on the railways which would account for them moving around probably. Doncaster and Swindon were both big railway engineering towns.
Amelia's birth varies from census to census, the 1871 one giving her true age.