Her father was Rear Admiral James William King, son of the Earl of Kingston, and her mother was Caroline Cleaver, the daughter of Euseby Cleaver, the Archbishop of Dublin and his wife Catherine Wynne.

He was appointed as the perpetual curate to Holy Trinity Church, Walton near Aylesbury in 1848.

[3] From 1858 she was president of the Association of Female Workers, connected first with Barnet and then with the Mildmay area of Islington.

[2] The Mildmay Mission Hospital was credited to him and his deaconesses, but it was opened four years after he died by a dozen women including Catherine in an old warehouse near the church in Shoreditch.

[5] Other sources credit Emma Robarts and Lady Mary Jane Kinnaird.