Great queen
Derived from the Old Welsh name Rigantona, it signifies a 'great queen' or 'divine queen.' In Welsh mythology, the name is most famously associated with Rhiannon, a figure of fertility and sovereignty who appears in the Mabinogion.
Fewer than 5 girls were named Riannon in 2025.
US births per 5-year period, 1990–present (SSA data).
A strong-willed horsewoman and sovereignty figure · The Mabinogion
Grammy-winning American folk musician
Australian-Canadian actress
