Hatty married Sam Gummer on 24 July 2021 in St Nicholas Church, Eydon alongside bridesmaids Eleonore de Montule and Sophie Rushton (both Queen’s 13) and Lily Comyn (Queen’s 14). They also had Sam’s best man Henry White (Chatham 09) and ushers George Beaty (Grafton 08) and Jack Comyn (Grafton 20).