Old river or wise river
A modern phonetic spelling of Shannon, derived from the River Shannon in Ireland. The name stems from the Old Irish 'Sionainn', which is associated with the goddess Sionna and the concept of ancient wisdom.
Fewer than 5 girls were named Shannyn in 2025.
US births per 5-year period, 1990–present (SSA data).
American actress known for A Knight's Tale
