I'm sorry that this isn't helping with your request for help with finding Martha & her family prior to her marriage in 1876, but just came across this which might be of interest (on the Lancashire OnLine Parish Clerks Website) will keep looking for pre-1876:
Marriage 1 Jan 1902 at St Peter, Halliwell, Lancashire
Thomas Jordan, 24, Merchant Tailor, bachelor, of 94 St James's Rd, Croydon
married
Annie Waterhouse, 28, spinster, of 195 Valletts Lane
Groom's Father: Anthony Jordan, Merchant Tailor
Bride's Father: Jonathan Waterhouse, Engineer
Witness: James Arthur Jordan, Ethel Bottomley
Married by Banns by Percy Stott, Vicar