Lady Ellen Webb nee Williams was born in 1858 in Haverfordwest, Pembrokeshire, the daughter of W.P. Williams of Cardiff. She was the first wife of Sir Henry Webb, Member of Parliament for Forest of Dean (1911-1918) and for Cardiff East (1923-1924). Ellen and Henry married in 1894 in Cardiff.
In 1911 they were living in Llwynarthan, Castleton, Cardiff. They had been married for 17 years. Henry was made a baronet in 1916. Their only surviving son Second Lieutenant Thomas Harry Basil Webb (1898–1917), Welsh Guards, was killed in action in World War I, on 1 December 1917. During World War I, Henry Webb was Commander of the 13th Battalion Gloucestershire Regiment and the 13th Battalion Worcestershire Regiment. He also commanded the 23rd (Works) Battalion, the King’s Regiment (Liverpool) and the Western Command Labour Centre.
Lady Webb supported the War effort at home, fundraising for charitable groups and providing venues and entertainment for serving soldiers when they were on leave.
She died at 40 Church Street, Oswestry on 4 January 1919 leaving £82668 15s.