According to the Internet source given below, Dame Clara Ellen Butt, DBE was an English contralto born in Southwick, Sussex .
She was a recitalist and concert singer. Her voice, both powerful and deep, impressed contemporary composers such as Saint-Saëns and Edward Elgar who composed a song-cycle with her in mind as its soloist.
Butt appeared in two operas by Christoph Willibald Glück and later in her career she appeared in recitals together with her husband, the baritone Kennerley Rumford. She made numerous recordings for the gramophone. She was trained by Daniel Rootham joining the Bristol Festival Chorus, of which Daniel Rootham was its musical director. In 1890, she studied at the Royal College of Music (RCM) under John Henry Blower, Albert Visetti and Marmaduke Barton. Later she studied in Paris, Berlin and Italy.
Butt appeared by royal command before Queen Victoria, King Edward VII, and King George V. She toured Australia, Japan, Canada, New Zealand, United States other European cities. She was appointed DBE in the 1920 for her services during the First World War having organised and sang in many concerts for service charities.
She died in North Stoke, Oxfordshire.

Websites:
	Clara Butt	Biography by wikipedia.org.
	DAHR: Clara Butt	List of 109 historic recordings from 1910 to 1933.

This list is derived from information provided by Monologues.co.uk which went down sometime in 2023.
The loss of this valuable resource is very sad and a mystery.