[1] Crocker joined the suffragette movement but left when her cousin Emmeline Pethick-Lawrence and husband Frederick were expelled from the Women's Social and Political Union by the Pankhurts.

[3] Crocker spoke at the founding meeting of the Bath branch of the Women's Social and Political Union (WSPU)[4] and was the first suffragette prisoner to stay [5] at Emily Blathwayt's Eagle House, and eventually planted a tree on a later visit in February 1911 to commemorate her imprisonment suffering (an Abies magnifica).

[7] In Bow Street court she explained her actions were against police brutality following the events on Black Friday when women protestors were violently abused and assaulted, leaving a 'dark shadow'.

[1] She wrote in 1912, to her friend and fellow activist, Helen Watts, that she was imprisoned with Louisa Garrett Anderson, Emmeline Pankhurst and Ethel Smyth.

In it she saidModern Young Women seem unaware of the price paid for their political and social emancipation and modern historians have greatly ignored the struggles.