There are few Davis famlies in Aughrusbeg/Aughrus Beg this John And wife Bridget may be Anne's brotherhttp://www.census.nationalarchives.ie/pages/1901/Galway/Sillerna/Aughrusbeg/1370165/Their marriage in 1889https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1889/10727/5911090.pdfgives Thomas as deceased.This appears to be Johanna's death with John as informant in 1899https://civilrecords.irishgenealogy.ie/churchrecords/images/deaths_returns/deaths_1899/05786/4636277.pdfThomas' death in 1883 with Johanna as informant https://civilrecords.irishgenealogy.ie/churchrecords/images/deaths_returns/deaths_1883/06371/4828096.pdfThomas Davis and Johanna Morris had a daughter Anne in 1864https://civilrecords.irishgenealogy.ie/churchrecords/images/birth_returns/births_1864/03602/2328385.pdfBit too old for your Anne with an age at marriage of 24 in 1897 so born c1873. Not that she is consistent with her age in the Census.Where did you find her mother as Johanna Morris?