Reddish-brown, from the city of Siena
Syenna is a modern spelling variant of Siena or Sienna. It refers to the Italian city of Siena and the distinctive orange-red clay found in the region, which became a namesake for the earthy pigment used in art.
About 5 girls were named Syenna in 2025.
US births per 5-year period, 1990–present (SSA data).
