Emily Mary Lea's mother was Olive or Olivia Andrews. In the 1871 census, Olivia Lea is a widow living with her daughter.
Have you the £2.50 digital image for Emily Mary Lea birth, it should note a fathers name and occupation.
Marriage Notice 21 Oct 1893 Hereford Journal
Miss Emily Mary Lea only
daughter of late Mr Thomas Lea Of Canon Bridge Madley married
Mr William Henry Addis second son of
late Mr Henry Addis of Whitfield, Ross given away by her
stepfather Mr Jonathan Griffiths of Oaklands, Bridstow, Ross.
Mr Ernest Addis brother of the bridegroom was best man
Jun 1872 Hereford 6a 928
Griffiths Jonathan
LEA Olivia
1881 census
Oakland House, Bridstow, Ross, Herefordshire
Jonathan Griffiths 1825 Retired farmer Peterchurch, Herefordshire,
Olivia Griffiths 1841 Retired farmer Herefordshire
Emily Mary Lea Step daughter 1868 Madley, Herefordshire
Emma Collins Servant 1869 General servt Bridstow, Herefordshire
Edit to add
Olivia Griffiths widow of Whitfield Marstow died 2 Aug 1904
Probate 21 Feb 1905 to William Henry Addis, farmer