1922 Encyclopædia Britannica — Aberdeen and Temair…
“ His wife, Ishbel Maria (b. 1857) —daughter of Dudley Marjoribanks, 1st Baron Tweedmouth—whom he married in 1871, took a prominent part in charitable work during her residence in Ireland, becoming president of the Irish Industries Association and other societies. She did excellent work in increasing the number of nurses and establishing committees for the improvement or sanitary conditions and combating the spread of tuberculosis in Ireland. She published in 1908 Ireland's Crusade against Tuberculosis. ”
