The National Gazetteer of Great Britain and Ireland - 1868
"ULNES-WALTON, a township in the parish of Croston, hundred of Leyland, county Lancaster, 5½ miles N.W. of Chorley, and 1 mile from Cocker-Bar station on the East Lancashire line of railway. The village is situated near the river Lostock. At a farm in the neighbourhood are traces of a religious house."