 It isn't clear from any record if the island was named for the herb directly, or for the nearby cove and 
settlement of Yerba Buena.The Isla de Yerba Buena was granted to one of the sons or grandsons of Joaquin Isidro de Castro (b.1732, Sinaloa), progenitor of one of the largest Californio families.Officially, the island was Yerba Buena Island until 1895, when on a decision by the United States Board on Geographic Names, it was changed to Goat Island.