Hi Amanda:

As usual, family lore is not always completely accurate...but it can lead you in the right direction:

1920 United States Federal Census > Wyoming > Natrona > Casper Ward 3 > District 75
535 Parke Ave
Sample, Roy W Head~rented house~age 37~married~born KS~father born ILL~mother born NE~Theater Proprietor
-, Marcia wife~35~WY~Canada~CA

World War I Draft Registration Cards, 1917-1918
Name: William Roy Sample
City: Not Stated
County: Natrona
State: Wyoming
Birth Date: 19 Nov 1882
Race: White
Roll: 2022242
Address: 142 N. Center St. Casper, WY
Next of Kin: Marcia E. Sample wife~same address
Self Employed ??is Theater 142 N Center St
Medium height~ medium build~ blue eyes~ light hair

I hope this helps with your search. Good Luck!
Laura