Irish formMag Fhloinn; also Norman de Glin
MeaningMag Fhloinn: 'son of Flann' (ruddy). de Glin: Norman 'de Glyn', 'of Glyn', a parish in Brecknockshire, or 'of the glyn, or glen'
CountiesGalway, Mayo, Dublin, Clare
Other spellings4
Origin of the Glynn name
Two different names. Mag Fhloinn (also Mac Fhloinn, Mac Floinn), 'son of Flann', is a rather common surname in Connacht and Ulster. De Glin is Norman, 'de Glyn', of Glyn, a parish in Brecknockshire, or 'of the glyn, or glen'; it came into Ireland at an early period but has always been very rare.[1][2][3][4]
- 189072 Glynn entries (incl. spelling varieties); about 70% in Galway, Mayo, Dublin, Clare.[5]
Glynn surname: questions
What does the surname Glynn mean?
It depends on the family. As Mag Fhloinn it means 'son of Flann' (ruddy). As the Norman de Glin it means 'of Glyn', a parish in Brecknockshire, or 'of the glyn, or glen'.[1][4]
Is Glynn an Irish or a Norman name?
Woulfe gives both: the Irish Mag Fhloinn, 'a rather common surname in Connacht and Ulster', and the Norman de Glin, 'of Glyn, a parish in Brecknockshire, or of the glyn, or glen', which came into Ireland at an early period but has always been very rare.[1][4]
Where in Ireland is the Glynn name from?
Woulfe calls Mag Fhloinn a rather common surname in Connacht and Ulster. In 1890 about 70 per cent of Glynn births were in Galway, Mayo, Dublin and Clare, with 45 of 72 in Connaught.[1][5]
Are Glynn and McGlynn the same name?
Woulfe lists McGlyn, MacGlynn and Glynn together as anglicised forms of Mag Fhloinn. Matheson's 1890 table shows them separately (Glynn 72, McGlynn 39 entries, each total counting spelling varieties).[1][5][6]