Ó hEodhasa was the name of an Irish brehon family based in what is now County Fermanagh. The surname is now generally rendered as Hussey.

See also

Aengus Ó hEodhasa, poet, died 1480. Ciothruaidh Ó hEodhasa, poet, died 1518. Giolla Brighde Ó hEoghusa, poet, 1608–1614. Gemma Hussey, Fine Gael TD and Minister, 1977–1989. [She is only a Hussey by marriage]

References

http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID=