Gallagher-Sheridan Legacy

O Reachtagain/Radican/Rattigan/Rhatigan

Spelling variations include: Ratigan, Rattigan, Rhatigan, Ractigan, Rattican, Rhattigan, O'Rattigan, O'Ratigan, McRattigan, McRatigan, McRhatagan, Rattigen, Ratigen, Ratrigan, Rattrigan, Rattigin, Ratigin, Rattighan and many more.

First found in Roscommon where their recorded history precedes the 12th century.

Some of the first settlers of this name or some of its variants were: Mary Rattigan who was listed as having arrived in Nova Scotia in 1825; Peter Ratigan arrived in Quebec in 1826; Daniel, Mary, Patt and Peter Rattigan all of whom were recorded as having arrived in New York, New York in 1850.