Thomas Hay Sweet-Escott married Kate Jane Liardet (b. 11 June 1840), with whom he had two children. After her death in August 1899, he went on to marry Edith Hilton (b. 28 October 1851) in November 1899.
Escott was an editor, journalist and author of works of history, politics, biography and social commentary including England: its People, Polity and Pursuits (1879) and Social Transformations of the Victorian Age (1897). He was a lecturer in Logic, at King's College London and later Deputy Professor of Classical Literature (1866-73).
He gained the editorship of the London Evening News at the age of twenty-seven, and wrote for the Standard from 1866. He succeeded John Morley as editor of the Fortnightly Review (1882-1886).
Who's Who, 1898.