Irish formÓ Seanacháin
Meaning'descendant of Seanachán' (diminutive of seanach, old, wise)
CountiesWaterford, Cork, Kerry, Tipperary
Other spellings6
Origin of the Shanahan name
Woulfe: a Dalcassian family, chiefs of Ui Ronghaile in the east of Thomond until the year 1318, 'when they were expelled by Torlough O'Brien and the MacNamaras. They settled at first in Co. Waterford, but have long been scattered through Munster.'[1]
- 1318Chiefs of Ui Ronghaile expelled by Torlough O'Brien and the MacNamaras.[1]
- 189065 birth entries incl. varieties (53 Shanahan); Cork, Kerry, Tipperary, Limerick, Waterford.[4][6]
Shanahan surname: questions
What does the surname Shanahan mean?
Woulfe gives Shanahan as a form of Ó Seanacháin, 'descendant of Seanachán', a diminutive of seanach, which he glosses as 'old, wise'.[1]
Where does the Shanahan family come from?
Woulfe says they were a Dalcassian family, chiefs of Ui Ronghaile in the east of Thomond until 1318, when they were expelled by Torlough O'Brien and the MacNamaras. They settled at first in Co. Waterford and have long been scattered through Munster.[1]
Where in Ireland were Shanahans found in 1890?
Matheson's 1890 birth indexes give 65 entries including spelling varieties (53 spelled Shanahan), 58 of them in Munster, principally in Cork, Kerry, Tipperary, Limerick and Waterford.[4]
Are Shanahan and Shannon related?
Sometimes. Woulfe lists Shannon among the anglicised forms of Ó Seanacháin (Shanahan), but he also gives Shannon under a different Irish name, Ó Seanáin, 'a scattered surname'.[1][3]