In 6th century Ireland, the population of Mohill was devastated by the Justinian plague, an early phenomenon of the Late Antique Little Ice Age c. 536–660 AD. The Mohill plague occurred following the
Tamlaghtavally townland, Mohill Parish, County Leitrim
Tombstone in the chapel of Filippo e Giacomo, Nosedo, dated to AD 536 (the second year after the consulship of Decius Paulinus).