Cogan 3.7.1800 at Colles's / 28.9.1810 at Johnson's / 25.1.1818 seek Cogan
Perhaps Philip Cogan Dict Irish Biog c1748-1833 organist. Michael Kelly DNB 1762-1826 was his pupil. John Kinsela of Ballynunnery, Carlow married March 1804 A Cogan dau of William Cogan of Tynode, Wicklow. Dublin Trades 1797 no Cogans but Andrew Colgan maths teacher & 6 other Colgans & 2 Coogans
The Cogan at Johnson's 1810 is likely to have been Thomas Cogan DNB 1736-1818 or his half-brother Eliezer Cogan DNB 1762-1855. The seek Cogan of 1818 was just a week before Thomas Cogan died, perhaps Godwin had heard he was dying.