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Sybil Margaret Thomas (née Haig), Viscountess Rhondda (1857–1941), suffragette
1857 Born Sybil Margaret Haig
1882 Married David Alfred Thomas MP; they had one child Margaret Haig Thomas.
1890s Unlike her more militant sisters she belonged to the National Union of Women's Suffrage Societies, the less militant body led by Millicent Fawcett.
1910s Became more militant, following the thinking of her daughter.
1916 Her husband was elevated to the peerage; Sybil became Lady Rhondda
1918 She became Viscountess Rhondda on her husband's promotion to Viscount.
After her husband's death, Viscountess Rhondda took his place on a number of company boards
1920 appointed a dame commander in the Order of the British Empire for her wartime services.
1941 Died at home in Llan-wern Park, Newport, Monmouthshire