During a fifteen-year career with that company, beginning at age 19, she was particularly known for her interpretations of the title role in Iolanthe, Pitti-Sing in The Mikado, Phoebe Meryll in The Yeomen of the Guard, and Mad Margaret in Ruddigore.
She also appeared in The White Horse Inn and A Country Girl and won prizes at the Nottingham Festival.
In 1962, Jones became one of the company's principal mezzo-sopranos, playing Phoebe and Tessa, as well as Peep-Bo and Kate in The Pirates of Penzance.
[1] Beginning in 1965, Jones regularly played Edith in Pirates, Lady Angela in Patience, the title role in Iolanthe, Pitti-Sing, Margaret and Phoebe.
[5] She later appeared on BBC2 in a Mantovani Show of the Week and in The Adventure of Sherlock Holmes' Smarter Brother, starring with Gene Wilder (1975).
She also appeared in the British provinces in productions of Born Again by Julian Barry (1990), Fiddler on the Roof, and Oliver!
[1] In later years, Jones appeared frequently at the International Gilbert and Sullivan Festival giving talks, master classes and performances.
[12] The Gilbert and Sullivan Discography notes, "The role of Lady Angela is a revelation as performed by Peggy Ann Jones.