[1] She worked in Egypt as a missionary and was then headmistress of the British Syrian Training College in Beirut from 1899 until the start of the first world war in 1914.

[5] This school educated both Jewish and Muslim girls, with high academic standards, and Warburton was its headmistress from 1919 to 1926.

[6] From 1926 to 1935 she was active in social work in Bethnal Green, London, and after the second world war she founded the Ahliyyah School for Girls in Amman.

[1] She died 16 November 1961 at Waltham Abbey, leaving her home, known as "Welcome Cottage", to provide accommodation for elderly local residents.

[7] This charity later linked to the Abbeyfield Society, and two replacement buildings, later combined, keep her name as the "Warburton and Clarisse Lodge".