Trusting in the accuracy of the 1848 newspaper report of the death of William Bingham of Bayview , a "status" reflected in the newspaper marriage notice of his son Arthur Shean Bingham in 1854, very intrigued to spot
"CONVERSIONS
On the 6th inst. (the Feast of the Epiphany) Miss Bingham, third daughter of the late Mr William Bingham, solemnly abjured the errors of Protestantism and was received into the Catholic fold by the Rev. P. Malone at the town chapel, Belmullet. Miss Bingham's two eldest sisters were previously received into the Catholic Church ...".
(several newspaper reports January 1855)
Not sure what records would be kept of such a such a ceremony. On the basis it might involve baptism I checked the Catholic Registers for Belmullet around that time - but drew a blank