| Mary Hollis Born 1947 in Sioux City, Iowa Raised on a ranch near Clearwater, NE |
| 1969 | Individual Show. Archduke Gallery in St. Louis, Missouri |
| 1975 | Two-Person show with Sculptor Les Marshal, Malsch, Germany |
| 1976 | Poster design for the City Theater of Heidelberg, Heidelberg, Germany |
| 1977 | Group Show, Solstice Festival of the Arts, Neligh, Nebraska |
| 1979 | Group Show, Solstice Festival of the Arts, Neligh, Nebraska |
| 1980 | Group Show, Heidelberg, Germany |
| 1986 | Individual Show, Capitol, Mühlhausen, Germany |
| 1990-1991 | Individual Show, Zlata Koruna National Library in the Czech Republic. This show traveled to Strakonice, Horovice and Cesky Krumlov. |
| 1993 | Individual Show, Neligh, Nebraska |
| 1994 | Individual Show, The Uptown, Norfolk, Nebraska |
| 1996 | Individual Show, The Coffeeworks, Sioux City, Iowa |
| 1998 | Individual Show, The Uptown, Norfolk, Nebraska |
| 1998 | Individual Show, 4th Street, Sioux City, Iowa |
| 2000 | Group Show, Solstice Festival of the Arts, Neligh, Nebraska |
| 2000 | Group Show, Groundskeeper, Norfolk, Nebraska |