Clann
Seaáin Ó
hEaghra
(O'Hara) at war (1411-1420)
as listed
in:
«A Chronology of Irish History to 1976», 1982
A
Chronology of Irish History to 1976:
a companion to Irish history, I
was published as Vol. VIII of A
New History of Ireland under
the auspices of the Royal Irish
Academy in 1982 (Oxford University Press; ISBN 0 19 821744
7).
(Link).
In the section «Medieval
Ireland, 1169-1534»
the following event is recorded for the decade 1411-1420 (p. 153):
1411-20:
Clann
Seaáin
Uí
Eaghra at war with Mac William.