Gartan is a civil parish and townland in County Donegal, Ireland. The area is best known for being the birthplace of Columba, one of the three patron saints of Ireland and one of the most revered saints in the Christian world. Here he founded a monastery in 521. The popular song "Gartan Mother's Lullaby" comes from the area, and has been performed by many artis…Gartan is a civil parish and townland in County Donegal, Ireland. The area is best known for being the birthplace of Columba, one of the three patron saints of Ireland and one of the most revered saints in the Christian world. Here he founded a monastery in 521. The popular song "Gartan Mother's Lullaby" comes from the area, and has been performed by many artists, including American actress Meryl Streep.