Katherine Thomson (1797–1862) (née Byerley, also as Mrs A. T. Thomson, pseudonym Grace Wharton) was an English writer, known as a novelist and historian.
After her husband's death in 1849 she lived abroad for some years. In 1860, she suffered the drowning of her son, John Cockburn Thomson. She returned to London, and died at Dover on 17 December 1862.
Memoirs of Viscountess Sundon, Mistress of the Robes to Queen Caroline, including Letters from the most celebrated Persons of her Time, 1847, 2 vols.; 1850, 2 vols. This work was criticised for inaccuracies, in the Quarterly Review.
Recollections of Literary Characters and Celebrated Places, 1854, 2 vols., chapters of anecdotal topography which had originally appeared in Bentley's Miscellany and Fraser's Magazine, under the signature "A Middle-aged Man".
The Wits and Beaux of Society, 1860, 2 vols., 2nd ed. revised 1861; and
The Literature of Society, 1862, 2 vols.
The Byerley family were descended from Robert Byerley (1660–1714), a Member of Parliament; he married Mary, daughter of Philip Wharton and great-niece of Philip Wharton, 4th Baron Wharton. This relationship was the source of the pseudonyms taken by Katherine Thomson and her son.
Family
Her marriage produced three sons, including Henry William Thomson, and five daughters.