[4][3] Doyle had to pay her own costs to compete at the 1984 World Championships; she had to borrow the money from her father.

[10] Doyle won the lightweight event (under-56 kg)[11] at the 1990 Commonwealth Games, beating Australian Suzanne Williams in the final.

[13] She came second in the under 52 kg event at the 1991 European Championships, losing to Jessica Gal in the final.

[18] Doyle was married to Billy Cusack, who won a bronze medal at the 1990 Commonwealth Games in the men's lightweight judo event;[19] the pair were married before Doyle's appearance at the 1986 Commonwealth Games.

[5] The pair have two children, and Doyle found out that she was first pregnant when she went for a medical examination prior to the 1992 Olympic selection.