"Margymore" [Margy-more] Meaning: Disorder
Leslie is a retired building contractor and lives in Bailieborough, Co. Cavan.
He has been involved in Ulster-Scots projects in Cavan and Monaghan for many years.
At present he is a committee member of the Presbyterian Historical Society and the Ulster History Circle. Leslie is also a former chairperson of Breifne Historical Society and Bailieborough Historical Society.
He previously served on the boards of Bailieborough Community School and Bailieborough Development Association and is currently a Board Member of Bailieborough Model School.
Leslie has published several local history books as well as editing Spark magazine and has contributed historical essays to other publications.