[1] Tinsley was born in Wigan, near Manchester in March 1928 and studied at the Northern School of Music with Margaret Dillon and Ellis Keeler, and then in London with Joan Cross, Dame Eva Turner and Roy Henderson.
Her debut was in 1961 as Desdemona in Rossini's Otello with the Philopera Company at St. Pancras Town Hall, London, and she also sang leading roles in early Verdi and Wagner operas with that company.
[2] She was prized for her compelling dramatic presence and her easily heard, untiring voice.
[2] She sang Public Opinion in the 1983 BBC television production of Orpheus in the Underworld.
Her marriage to George Neighbour produced two children, John and Julia.