Mary Eliza Cardin is the daughter of Richard Edward Cardin and Eliza Cooke and has older siblings; Frederick Edward Walker Cardin, b. 2 Oct 1825; Isabella Hooker Walker Cardin; Arthur Douglas Cardin; herself, Mary Eliza Cardin; and then John Charles Cardin.

Source: St. Christopher Register: Series 4, vol.I, No. 18697 and Series 4, vol. O, No. 19919.