Wason was elected in 1838 to the Maryland Senate, defeating Andrew Kershner.
[1][2] Wason was appointed by Governor Francis Thomas as register of wills of Washington County in September 1843.
He served as a delegate from Maryland's second district to the 1848 Democratic National Convention.
[1] Wason worked to establish the Presbyterian Church in Hancock, Maryland.
A large monument is in front of the church marking the grave of Wason.