 After holding the office of sheriff of Saint Mary's County there, he emigrated to Virginia.There, he became high sheriff of James City County and the sergeant-at-arms of the House of Burgesses between 1657 and 1658, and a leading burgess with the rank of captain in 1656, 1659-60, 1660-61, 1663.Many records can be found of Ellyson managing matters regarding merchants and he was an official for the Committee on the Levy.