 She was referred to as a " young activist in the <unk> Branch of the ILP " , before she joined the WSPU in 1909 , aged 16 . She was the youngest member of the WSPU Glasgow delegation to the Chancellor of the <unk> David Lloyd George in 1912 . As a member of the WSPU and organiser of the Domestic Workers ' Union , she led the first of the " Scottish <unk> " ( involving attacks on pillar boxes ) in Glasgow in February 1913 . 
