Mary Ireland Farnsworth (1830–1923) was the wife of Governor of West Virginia Daniel D. T. Farnsworth and was that state's First Lady I n 1869. She was born on May 1, 1830, at Upshur County, West Virginia, a niece of Confederate General Thomas "Stonewall" Jackson. She was first lady for five days while her husband completed the unexpired term of Arthur I. Boreman, who had resigned to enter the United States Senate. After leaving office, the Farnsworths moved to Buckhannon, West Virginia. She died on February 22, 1923."West Virginia's First Ladies," West Virginia Division of Culture and History, June 2007.

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