variants include: Rossiter, Rossitor, Rosseter, Rossetor, Roucester, Rosceter, Roscetor, Rawceter, Rosay, Rawciter, Rowsitter, Rausiter, Rassitor, Rowseter, Russiter, Russeter and many more. First found in County Wexford , where they had been granted lands by Strongbow for their assistance in the Anglo/ Norman invasion of Ireland in 1172.   More More about