The name Sienna can triple as a color name that means "orange-red," an earthy nature name referring to the clay-like substance containing iron and manganese, or a place name inspired by the Tuscan city of Siena, Italy. The name first appeared in the Social Security Administration's top 1,000 for girl names in 1995 and was a top-200 girl's name by 2006 before settling in the top-150 each year since 2021. Princess Beatrice, the granddaughter of late Queen Elizabeth II, has a daughter named Sienna Elizabeth, born in 2021.