Smithwick was a solicitor and public notary, who owned land near Kilkenny city. He was the son of a freeman of the city, and was descended from a Cheshire family that had settled in county Cork in 1627. His eldest brother, Edmond Smithwick (1800-76), managed the St. Francis’ Abbey brewery,
When Pierce Butler, the sitting repeal member for County Kilkenny, died in June 1846, O’Connell was determined that the seat should not fall into the hands of the Young Ireland faction. Eager to forestall a contest, O’Connell suggested to Edmond Smithwick that if he was unwilling to stand his brother might do as well, and the county registry association and freeholders duly called upon Richard to come forward.
Smithwick attended a meeting for ‘the formation of an Irish Parliamentary party’ in Dublin in January 1847, and joined a deputation to Lord John Russell concerning famine relief.
Having moved a resolution for the erection of a monument to O’Connell at a national meeting in Dublin, 6 Aug. 1847,
