Potters in Peoria, Illinois, in 1900

According to the 1900 U.S. Federal Census, taken on 9 June 1900, in the Peoria Ward 1, Peoria, Illinois, three men surnamed Potter were among those listed as "prisoner" in one large "dwelling."

One was Sam Potter, born Jan 1874 in Illinois, parents also born in Illinois, age 26, day laborer

Another was George Potter, b. Mar 1875 in Illinois, parents also born in Illinois, age 25, cigar maker

The third was Horace Potter, born Jul 1868 in Pennsylvania, parents born in Ireland, age 31, painter

Wonder who Sam Potter, George Potter and Horace Potter belong to?? Is your Potter family missing a young man?

Grandma Google gives me this image for "Peoria prison." Is it the one where these Potters were?