[1] While attending a palace ball, she met the George Frederick Ernest Albert, Prince of Wales, who invited the couple to spend the weekend Sandringham House.

"[1] In March 1887, Urquhart made her stage debut at the Theatre Royal in Brighton as Faustine de Bressier in the play Civil War.

[1] In March 1887 under the moniker "Anonymous," Oscar Wilde wrote for The Court and Society Review, "With regard to Mrs. Brown–Potter, as acting is no longer considered absolutely essential for success on the English stage, there is really no reason why the pretty bright-eyed lady who charmed us all last June by her merry laugh and her nonchalant ways, should not—to borrow an expression from her native language—make a big boom and paint the town red.

"[5] In October 1887, she returned to the United States to perform Civil War, along with British actor Harold Kyrle Bellew, at the Fifth Avenue Theatre in New York.

"[2] However, Urquhart and Bellew began a successful partnership for ten years, performing together in America, Australia, China, England, and India.

[7][1] The critic from the Daily Mail wrote, "For Mrs. Brown-Potter, in loveliness and picturesque bearing the very 'Angel of Assassination,' delivers every sentence in tragic recitative, and thus each moment removes the character still farther from the confines of humanity.

"[7] In 1898, she left Bellew to work with Beerbohm Tree at Her Majesty's Theatre, performing as Miladi in The Musketeers and as Oliver Arnison in Carnac Sahib.

[8] Some of the other plays Urquhart produced and starred in at the Savoy include Du Barry and Pagliacci, along with revivals of Cavalleria Rusticana, For Church or Stage, and Forget-me-not.

[9][4] She lived in London where she replicated her popularity with New York society, running with a crowd that included poet and playwright Robert Browning and the Prince of Wales.

[1] In 1912, she brought her mother to England and they lived at Staines on the Thames in a stone house that had previously served as a lodge of Windsor Castle.