Here she played Lady Clarice Raindean in The Masqueraders opposite George Alexander (1894);[3] Amelia, Countess of Rassendyll in The Prisoner of Zenda (1896);[4] and Blanche Oriel in Pinero's The Princess and the Butterfly (1897).
[5] Joining the Company of Henry Irving at the Lyceum Theatre in London she appeared in The Lyons Mail; was Virgilia in Coriolanus (1901); Nora Brewster in Arthur Conan Doyle's A Story of Waterloo (1901); Annette in The Bells (1901);[6] and Nerissa in The Merchant of Venice (1901).
[10] She played Pia dei Tolomei opposite Henry Irving in the title role in Dante at the Theatre Royal, Drury Lane (1903).
[12] She was Alice Maitland opposite Harley Granville Barker in The Voysey Inheritance (1905)[13] and in Pan and the Young Shepherd (1906), both at the Royal Court Theatre.
[14] She created the role of Phyllis in Pinero's The Thunderbolt at the St James's Theatre (1908)[15] and in the same year toured with her husband in Peg Woffington.
[17] She appeared as one of the Twelve Hours in a star-studded and all-female production of Ben Jonson's The Vision of Delight at His Majesty's Theatre (1911) that included Mrs. Patrick Campbell, Lily Brayton, Evelyn Millard, Lillie Langtry, Clara Butt, Lena Ashwell and Lilian Braithwaite.
[18] In the same year, she played the title role opposite her husband in Margaret Catchpole at the Duke of York's Theatre[19] while later in 1911 the Irvings took The Unwritten Law on tour together with The Lily in which Hackney was Christiane.
[citation needed] At the end of the tour they were returning home when Laurence and Mabel Irving drowned in the RMS Empress of Ireland disaster.
In the early hours of the morning on 29 May 1914, near the mouth of the St. Lawrence River, the Empress of Ireland was rammed by the Storstad, a Norwegian collier, on her starboard bow.