Sheridan, Richard Brinsley (–), playwright and politician, was born in September or October at 12 Dorset Street, Dublin, the third child of Thomas Sheridan (qv), actor and orthoepist, and his wife, Frances Sheridan (qv), née Chamberlaine, novelist and playwright. He was baptised as Thomas Brinsley Sheridan at St Mary's church, Dublin, on 4 November , Thomas being a.