Bettystown, Laytown and Mosney
1. That part of the District Electoral Division of Julianstown comprised in that part of the Townland of Mornington bounded on the north by a line commencing at the high water mark and continuing in a westerly direction along the northern boundary of Laytown/Bettystown Golf Links to a point where it intersects with the boundary of the Townland of Donacarney Great; and those parts of the Townlands of Betaghstown, Sevitsland, Ministown and Ninch which are situated to the east of the Dublin/Belfast railway line.
2. That part of the District Electoral Division of Julianstown comprised in the Townland of Mosney and that part of the Townland of Briarleas situated to the east of Local Road (County Road 438).