She was Jonathan Swift's "greatest favourite";[4] he wrote "I am in excessive concern for her death, I hardly knew a more valuable person on all accounts."[2]
^ abHandley, Stuart. "Butler, James, second duke of Ormond (1665–1745)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/4193. Ossory married Lady Mary Somerset (1664/5–1733), daughter of Henry Somerset, first duke of Beaufort. ... two daughters reached adulthood, ... Mary (1689/90–1713), who married John, third Baron Ashburnham(Subscription, Wikipedia Library access or UK public library membership required.)
^ abHawkesworth, John (1766). Letters Written by the Late Jonathan Swift, and Several of His Friends from the Year 1703 to 1740. Vol. 1. p. 136.
^Lockwood, Thomas (2023). The Life of Jonathan Swift. p. 402.
^Craik, Sir Henry (1894). The Life of Jonathan Swift. Vol. 1. p. 326.