Irish Creek was of great importance in the northwest corner of Puslinch. Niel Peter Holm was born in Markham Twp. in 1811, a son of Niehls P. Holm who emigrated to York Co. in 1800 from Denmark. Niel purchased front & rear of lot 1, concession 3 Puslinch in 1829 and built a dam on the outlet and a sawmill across the line in Waterloo County. In 1850 father and son rebuilt a larger dam and a sawmill. In 1856, they built a dam on the Speed River and flour mill operated by his son Peter N. Holm, then Krib, next Cole father and son, and finally A. J. Shantz. The Mill is on the west side of Townline Rd. in Waterloo Region.