List of storms named Billy
The name Billy has been used for four tropical cyclones in the Australian region: Cyclone Billy (1986) – a Category 4 severe tropical cyclone that existed in the South-West Indian Ocean as Cyclone Lila. Cyclone Billy (1998) – a Category 3 severe tropical cyclone that made landfall in Western Australia.
Source: Wikipedia — List of storms named Billy (CC BY-SA 4.0)