Like Grattan, Guinness was publicly in favour of Catholic Emancipation from 1793, however, he was not a supporter of the United Irishmen during the 1798 rebellion, and was accused of spying for the British.
Like Grattan, Guinness was publicly in favour of Catholic Emancipation from 1793. Like most of the population, he was not a supporter of the United Irishmen during the 1798 rebellion, and was accused of spying for the British.