Here are Arabella's sisters Emma and Amelia in 1891, if it's any use to you:
RG12/2831
Folio 33 p. 18
Halton, Cheshire
Brook Place
William J Cunningham, head, 31, Bookkeeper, b. Runcorn
Emma, wife, 29, b. Runcorn
Charles Eric, son, 5, b. Halton
Dorothy, dau, 3, b. Halton
Allan Bruce, son, 1, b. Halton
Amelia J Imison, sister in law, single, Living on her own means, b. Runcorn
Jane Mead, servant, single, 18, Domestic servant, b. Runcorn
Tanja