Other Forms of the Name with authority source (if provided) in italics:
Rath Sonaigh
Rassanny Fort
Rathsonny
Rassonny Fort Inhabitants
Rathsoony Inq. Temp. Gul. III
Rathsony (2/3 of Cartron) Inq. Temp. Jac. I
Description:
A circular fort with 4 embankments.
Situation:
Northern part of Masonbrook.
Information From Joyce's Place Names
Translation according to P. W. Joyce:
Ra, Ray, Raw, Rath ; an ancient fortified residence: See vol. i. p. 274. As in the case of "Lis," the part of a place-name following Ra, Rath, Raheen, &c, is very often a personal or family name. See Lis.
Townland Information
What is a townland?:
A townland is one of the smallest land divisions in Ireland. They range in size from a few acres to thousands of acres. Many are Gaelic in origin, but some came into existence after the Norman invasion of 1169