Patrick Brown, Returning Officer for Boyle Union immediately invited nominations for the Election of Guardians to be held on 19 September. "The Boyle Union" covered these 16 Electoral Divisions:
Co. Roscommon: Ardcarn, Ballinameen, Boyle, Breedoge, Croghan (Estersnow, Killukin + 1 townland from Killummod), Keadue, Rockingham, Shankill.
Co. Sligo: Ballinafad, Kilmactranny, Kilshalvy, Shancough, Toomour, Coolavin, Kilfree, Kilturra.
Only landlords or owners of property in the above electoral disctricts could nominate, vote or be elected to Boyle Union.
The Ex-Officio Guardians for Boyle Union :—Lord Viscount Lorton (Rockingham House), Owen Lloyd Esq, Oliver D. J. Grace Esq. (Mantua House), Morgan Crofton (Abbey View, Boyle), Thos. McDermott-Roe, Esq. Guardians after having rejected all plans for anything other than new work house, have written to the Mr. George Wilkinson, architect of the Poor Law Commissioners on the subject. [Limerick Chronicle - 4 September 1839]