Frank C. Stanley (born William Stanley Grinsted, 29 December 1868 – 12 December 1910)[1] was a popular American singer, banjoist and recording artist active in the 1890s and the 1900s.

William Stanley Grinsted was born on 29 December 1868 in Orange, New Jersey.

In 1904, The Peerless Quartet consisted of tenors Henry Burr and Albert Campbell, baritone Steve Porter, and bass Tom Daniels.

In 1906 Frank C. Stanley replaced Daniels and assumed lead singing and managing responsibilities.

Upon his death, Henry Burr took over the management for the Peerless Quartet.