| Topic | Publication | Reference Pages |
|---|
| Theis | Footsteps Vol. XIII (1996) | 127 |
| Theis, Adolf | Comal County 1890 Census | 141 |
| Theis, Adolf | Footsteps Vol. IV (1987) | 67 |
| Theis, Agatha | The First Founders: Vol. II | 225 |
| Theis, Albert | Comal County 1890 Census | 141 |
| Theis, Albert | Footsteps Vol. XVIII (2001) | 133 |
| Theis, Alma | The First Founders: Vol. II | 54 |
| Theis, Anna | Comal County 1890 Census | 141 |
| Theis, August | Comal County 1890 Census | 141 |
| Theis, August | Comal County 1910 Census | 179 |
| Theis, August | Footsteps Vol. XVIII (2001) | 133 |
| Theis, Behnard | The First Founders: Vol. II | 225 |
| Theis, Carrie | Footsteps Vol. XX (2003) | 172 |
| Theis, Catharina | Footsteps Vol. II (1985) | 43, 88 |
| Theis, Catherine | Footsteps Vol. III (1986) | 26 |
| Theis, Cecilia | The First Founders: Vol. II | 225 |
| Theis, Christiana | Footsteps Vol. I (1984) | 36 |
| Theis, Christiana | Footsteps Vol. II (1985) | 88 |
| Theis, Clara | The First Founders: Vol. II | 225 |
| Theis, Earl A | Footsteps Vol. XVI (1999) | 245 |
| Theis, Elisabeth | Comal County 1910 Census | 179 |
| Theis, Elizabeth | The First Founders: Vol. II | 225 |
| Theis, Ella | Footsteps Vol. IV (1987) | 67 |
| Theis, Emily | Footsteps Vol. XX (2003) | 172 |
| Theis, Emma | Footsteps Vol. XVI (1999) | 245 |
| Theis, Enrich | Footsteps Vol. XVI (1999) | 245 |
| Theis, Ferdinand | The First Founders: Vol. II | 225 |
| Theis, Fertinand | Comal County 1910 Census | 179 |
| Theis, Frank | The First Founders: Vol. II | 225 |
| Theis, Frank | The First Founders: Vol. II | 225 |
| Theis, Franz | Comal County 1910 Census | 179 |
| Theis, H | Footsteps Vol. IV (1987) | 168 |
| Theis, H | Footsteps Vol. X (1993) | 73, 115 |
| Theis, H | Footsteps Vol. XI (1994) | 11 |
| Theis, H | Footsteps Vol. XII (1995) | 14 |
| Theis, H | Footsteps Vol. XVIII (2001) | 133 |
| Theis, H | Footsteps Vol. XIX (2002) | 203, 219 |
| Theis, Heinrich | Footsteps Vol. I (1984) | 36 |
| Theis, Heinrich Jr. | Comal County 1890 Census | 141 |
| Theis, Heinrich Sr. | Comal County 1890 Census | 141 |
| Theis, Henriette | Footsteps Vol. VI (1989) | 125 |
| Theis, Henry | Footsteps Vol. XXVII (2010) | 88 |
| Theis, Henry | Footsteps Vol. V (1988) | 123 |
| Theis, Henry | Footsteps Vol. VIII (1991) | 44 |
| Theis, Henry | Footsteps Vol. XIII (1996) | 83 |
| Theis, Henry H | Footsteps Vol. XVI (1999) | 245 |
| Theis, Henry Jr | Footsteps Vol. XIV (1997) | 83 |
| Theis, Holly | Footsteps Vol. XX (2003) | 172 |
| Theis, Hulda Mary (?-1980) | The First Founders: Vol. II | 79 |
| Theis, Ida | The First Founders: Vol. II | 225 |
| Theis, James | Footsteps Vol. XX (2003) | 172 |
| Theis, Jill | Footsteps Vol. XX (2003) | 172 |
| Theis, Johann Jocob | Footsteps Vol. III (1986) | 26 |
| Theis, Johannes August | Footsteps Vol. XVI (1999) | 20 |
| Theis, Johannes August (1866-1944) | The First Founders: Vol. II | 225 |
| Theis, Joseph | The First Founders: Vol. II | 226 |
| Theis, Joyce | Footsteps Vol. XXI (2004) | 159 |
| Theis, Joyce | Footsteps Vol. VI (1989) | 154 |
| Theis, Joyce | Footsteps Vol. XX (2003) | 172 |
| Theis, Joyce M | Footsteps Vol. XIII (1996) | 123 |
| Theis, Joyce M | Footsteps Vol. XIII (1996) | 127 |
| Theis, Joyce Madelyn Pape | Footsteps Vol. XIII (1996) | 23 |
| Theis, JoyceMadelyn Pape | Footsteps Vol. XIII (1996) | 1 |
| Theis, Kathrina | Comal County 1910 Census | 179 |
| Theis, Kathy | The First Founders: Vol. II | 225 |
| Theis, Lillie | Footsteps Vol. XVI (1999) | 245 |
| Theis, Louis | Comal County 1890 Census | 141 |
| Theis, Louis | Footsteps Vol. XVIII (2001) | 133 |
| Theis, Lucile | The First Founders: Vol. II | 225 |
| Theis, Maddie | Footsteps Vol. XX (2003) | 172 |
| Theis, Marg | Footsteps Vol. VII (1990) | 36 |
| Theis, Margarethe | Comal County 1880 Census | |
| Theis, Margarethe | Footsteps Vol. III (1986) | 26 |
| Theis, Margarethe | Footsteps Vol. VII (1990) | 52 |
| Theis, Marie | Comal County 1890 Census | 141 |
| Theis, Marie | The First Founders: Vol. II | 225 |
| Theis, Mark A | Footsteps Vol. XX (2003) | 172 |
| Theis, Mathilda | Comal County 1910 Census | 179 |
| Theis, Mathilda K. "Tillie" (1901-1988) | The First Founders: Vol. II | 225 |
| Theis, Mathilde (1901-1988) | The First Founders: Vol. II | 51 |
| Theis, Max | Comal County 1890 Census | 141 |
| Theis, Michael | Footsteps Vol. IV (1987) | 20 |
| Theis, Michael | Footsteps Vol. XI (1994) | 156 |
| Theis, Michelle | Footsteps Vol. XX (2003) | 172 |
| Theis, Mrs | Footsteps Vol. VI (1989) | 17, 64, 67 |
| Theis, Mrs | Footsteps Vol. VII (1990) | 55 |
| Theis, Otto | Comal County 1890 Census | 141 |
| Theis, Otto | Comal County 1910 Census | 221 |
| Theis, Otto | Footsteps Vol. XVI (1999) | 245 |
| Theis, Philippine | Footsteps Vol. IV (1987) | 180 |
| Theis, Robert | Comal County 1890 Census | 141 |
| Theis, Sophie | Footsteps Vol. II (1985) | 54 |
| Theis, Sophie | Footsteps Vol. IV (1987) | 82 |
| Theis, Sophie | Footsteps Vol. V (1988) | 50 |
| Theis, Teckla | The First Founders: Vol. II | 225 |
| Theis, Terry | Footsteps Vol. XX (2003) | 172 |
| Theis, Thekla | Comal County 1910 Census | 179 |
| Theis, Theodore | The First Founders: Vol. II | 225 |
| Theis, Thomas A | Footsteps Vol. XX (2003) | 172 |
| Theis, Timothy J | Footsteps Vol. XX (2003) | 172 |
| Theis, Veronica | The First Founders: Vol. II | 225 |
| Theis, Walter | Footsteps Vol. XX (2003) | 172 |
| Theis, Walter O | Footsteps Vol. XIII (1996) | 23 |
| Theis, Walter O (W O) | Footsteps Vol. XX (2003) | 172 |
| Theis, Walton | Footsteps Vol. XX (2003) | 172 |
| Theis, Wilhelm Henry "Louis" (1864-1920) | The First Founders: Vol. II | 225 |
| Theis, Wilhelm(Louis) | Footsteps Vol. XVI (1999) | 20 |
| Theis, Willie | The First Founders: Vol. II | 225 |
