I didn't find them on the census but I found this -Jane Young Caulfield
Ireland Civil Registration Indexes, 1845-1958
Jane Young Caulfield , Death, Jul - Sep 1894, Coleraine, Ireland
Age: 76 , birth 1818
Volume Number: 1
So I went to Irishgenealogy.ie, and found her death on Aug 27, 1894 in Portrush, Co. Antrim and it says widow of W.B.Caulfield. Present at death was niece Isabel Watt of Charlotte Terrace, Portrush.