Cavan is a suburb north of Adelaide, within the City of Salisbury local government area.

The entire area of what is now Mawson Lakes, Pooraka, and Cavan was originally known as Dry Creek.

[3] However, according to a 2013 article by The Advertiser, the suburb took its name from a local hotel, "The Cavan Arms", which was licensed in 1855 by R.B.

[4] The Northfield railway line, which first opened a station in Cavan in 1914, closed to passenger traffic on 24 July 1987.

The Cavan Post Office opened on 2 March 1959 and was later closed in 1974.