Great queen or maiden
Rhiyan is a modern phonetic spelling variant of the Welsh name Rhiannon. In Welsh mythology, Rhiannon was a goddess of fertility and the moon, known for her beauty and her magical birds. The name is derived from the Old Celtic elements meaning 'great queen'.
Fewer than 5 girls were named Rhiyan in 2025.
US births per 5-year period, 1990–present (SSA data).
