Delson, a village in Laprairie county, Quebec, on the Canadian National Railway, one mile from St. Constant. The name is formed from the first syllable of the word "Delaware" and the last syllable of "Hudson", Delson being the place where the Delaware and Hudson Railway originally joined the Canadian Pacific Railway.

Source: W. Stewart WALLACE, The Encyclopedia of Canada, Vol. II, Toronto, University Associates of Canada, 1948, 411p., p. 195.