Elizabeth Kerby has an estimated birth date of between 1672 and 1676 in Virginia. She was the daughter of Sarah Kerby. Elizabeth's father has not been identified. She was an heir in the 1718 will of her mother, Sarah (Kerby) Ray Wise. Elizabeth married William Blackstone, son of Argoll Blackstone and Alice (--?--), in Virginia. She died 22 August 1724 in Charles Parish, York County, Virginia.