Warren (William W.) is born in Philadelphia.

William Warren makes his Boston debut in 1846, and returns to star in Sweethearts at the Boston Museum on August 27, 1847 [8/23]. He remains in Boston as a member of the repertory company for more than 36 years, playing some 575 roles and 13,000 performances. and explaining, “Take my word for it, it is preferable to one-night stands in Oshkosh, Peoria, or Skowhegan.” His last performance is on May 12, 1883. Warren lives at Miss Amelia Fisher’s boarding house, a popular abode and meeting place for actors, at 2 Bulfinch Place. He dies there on September 21, 1888, and is buried at Mount Auburn Cemetery.