This may be a complete red herring but in 1871 a William Hemming, 33, widowed, born Burford, is living with his mother, Susannah, in Burford. Included in the household is Ann Slatter, 48, servant. Both Susannah and Ann are born Church Handborough. (Taken from Family Search 1871 - sorry, I cannot give you the reference)
PS William - engineer in iron works in 1871.
1841 - family includes sister Fanny
William Hemming, son of William and Susannah, baptised 24 Dec 1837, Fulbrook.