1585-1654) notable for the epitaph she placed on her husband's tomb at Colmworth, Bedfordshire, England Katherine was one of the four daughters of John Doyley (d. 1593) and Anne Barnard, and was a co-heir of the Doyley estate at Merton.
After the death of John Doyley, in 1601, her sister Margaret Doyley married Edward Harington of Ridlington and her mother Anne Barnard married James Harington (1542–1614), the father of Edward Harington, in a double wedding.
[2] On 25 February 1602 Katherine Doyley married Sir William Dyer, son of Sir Richard Dyer of Great Staughton.
In 1641 Katherine placed the epitaph, which she may have composed, known as "My Dearest Dust" on their monument at the Church of St Denys, Colmworth.
[4] In her will, Katherine mentioned, "her losses had become very great since those last troubles" of the Civil War.