W.J. Mason was the third Sheriff of Wheeler County, Texas.

Sheriff Mason was first elected Sheriff of Wheeler County on November 4, 1890 and took office January 1,1891.

He was always known as Joe Mason both in Dodge City Kansas and Mobeetie Texas. He is listed in the records in Dodge City as J.W. Mason and in Mobeetie records as W.J. Mason.

He was a member of the Dodge City Peace Commission in the old west days and worked with Wyatt Earp and Bat Masterson among others.