[1] He was born 23 July 1900 in Ballymore, Cashel, County Tipperary, son of Owen Davern, a shopkeeper, who was a member for many years of South Tipperary County Council, and Johanna Davern (née Ryan).
[2] After attending national school locally, Michael Davern joined the Irish Volunteers at the age of 17 along with his brother Patrick.
He served in the Irish War of Independence with the 3rd Tipperary brigade of the IRA, attaining the rank of Staff captain.
[2] For many years he operated a family-owned licensed business, Davern's Bar, on Main Street, Cashel.
He died 25 July 1973 in Cashel, and was buried with military honours in St Cormac's cemetery.