What is "laisren"

Laisrén may refer to:

• Saint Laisrén mac Nad Froích (died 564), patron saint of Devenish Island
• Saint Lasrén mac Feradaig (died 605), second abbot of Iona
• Saint Molaise of Leighlin (died 639), abbot of Leighlin and hermit of Holy Isle
• Saint Laisrén mac Decláin (fl. 6th century), patron saint of Inishmurray
• Saint Laisren of Cloonkerrill (fl. 5/6th century), saint in County Galway