After marrying Bristol merchant Samuel Guppy they lived in Queen Square and Prince Street,[10] a leading light of the Bristol and Clifton social scene. The couple had six children, including Thomas Richard, who with older brother Samuel operated the Friars Sugar Refinery in Bristol (1826–42) before becoming an engineer and associate of Brunel, contributing significantly to the design of SS Great Western and SS Great Britain. Brunel painted a portrait of the younger Sarah Guppy c.