Weil platted the village of Schleisingerville, Wisconsin (now Slinger, Wisconsin) in Washington County, Wisconsin where he had various business interests.
Etymologist Barry Popik has traced the term "gun slinger" back to its use in the 1920 Western movie Drag Harlan.
The School District of Slinger educates students from K4 through 12th grade residing in the southeastern Wisconsin municipalities of Slinger, Addison, St. Lawrence, Polk, and portions of Richfield, Jackson, Hartford, and West Bend, in Washington County, Wisconsin.