I have been researching the "Whiteboy" movement in Cork to see if I could find others who had left Cork right after 1822. My family includes Horgan and Roche, and I ran across these births. Maybe you're realted. I'm not related that I know of.
Honor dau of Timy Dineen and Julian Horgan witnesses unknown.
March 14 Denis son of Pat Dineen and Joan Horgan, sponsors Dan. Horgan and Mary
Oct 14 Pat son of John Roche and Cath Dineen, sponsors Dan. Lynch and Honora Roche