McMonagle / McMonigal
The names McMonagle and McMonigal in Ireland are derived from the Gaelic MacMaongail Sept that was located in County Donegal in the North-West of the country. These names are taken from Gaelic words which translate as 'wealth valour'.
Spelling variations include: MacGonigle, MacGonagle, Magonagle, Magonigele and many more.
First found in county Donegal where they held a family seat from ancient times.