April 17, 1811, Soho, London, England.
June 24, 1891, England.
Ann was the daughter of
victualler Thomas Mounsey and Mary Briggs.
She was a pianist, organist and composer, and studied with Johann Bernhard Logier. After 1828 she played the organ at various London churches, serving at St. Vedast, Foster Lane, for almost five decades. She also performed at concerts and as an accompanist.
In 1845, she was the accompanist at the premiere of Felix Mendelssohn’s anthem Hear My Prayer, and in 1853 married its librettist, William Bartholomew (1793–1867). After her marriage she taught music in London and worked as a composer.