Louisa Jane Butler (1822–1853)
Louisa Jane Galton (1853–1897)

Daughter of George Butler, the headmaster of Harrow, and his wife Sarah Maria Gray. Married Francis Galton in 1853.

Sources

London, England, births and baptisms, 1813–1906 (Ancestry.com, accessed 30 October 2014)

ODNB s.v. Galton, Sir Francis and Butler, George