The Elgin Centennial book includes these sections: Early Elgin History; Main Street; Elgin Memories; Grant County Highlights Since 1985; History of Heil; City Government; Organizations, Clubs, & Community Services; Churches; School History; Early School Memories; School 2008-2009 Faculty; School Alumni 1985-2010; Medical Services; Recreational Areas; Veterans; Businesses; Past Businesses; Family Histories; Snow and Flood Photos 2009; and Township Plats.
The Family Histories section for pages 184 to 432 includes these names: Ackerman, Alt, Anderson, Arp, Bachman, Baesler, Baker, Bartels, Bartz, Bauer, Beck, Becker, Beede, Beers, Bell, Bender, Bentz, Beoshanz, Berg, Bierwagen, Binek, Bleick, Bless, Blumhardt, Boeshans, Bonogofsky, Bossingham, Bovkoon, Boyer, Brabazon, Barckel, Bren, Brodehl, Brown, Bruhn, Bunch, Carlson, Clapsaddle, Clark, Cote Crandell, Crothers, Crouse, Dachtler, Dart, Davenport, Davitz, Dettmann, Disselhorst, Dittus, Doherty, Dorrheim, Eisenbarth, England, Ensminger, Erickson, Eslinger, Ferderer, Fetch, Ficek, Finck, Fischer, Franz, Fredrich, Frey, Friedt, Friesz, Friez, Froemming, Fuchs, Gartner, Giese, Gillen, Ginther, Glaesemann, Goeres, Gomke, Greff, Gregory, Grimson, Grosz, Gudyka, Haas, Hands, Hansen, Hanson, Hauge, Hehn, Heim, Held, Herr, Heupel, Heyne, Hillius, Hinderer, Hintz, Hipener, Hochhalter, Hoerner, Hoff, Hoks, Horst, Hovey, Huber, Hummel, Iblings, Imhoff, Iszguirre, Jackson, Jacobs, Jacobsen, Johnson, Kasper, Kauffman, Kautz, Keller, Kent, Ketterling, Kibbel, Kildall, Klein, Klopfer, Koehler, Koenig, Koepplin, Kohl, Kramer, Kranich, Krause, Kubousek, Kuebler, Kufeldt, Kuntz, Lafrance, Laub, Leer, Lehman, Leischner, Leithold, Levorsen, Lince, Link, Lippert, Lowe, Lundberg, Magstadt, Maier, Marcks, Martell, Mattis, Mattis, Mcnally, Meidinger, Metz, Meyer, Michels, Michelson, Miller, Miske, Mlnarik, Morey, Mosbrucker, Moser, Muggli, Murphy, Mutschelknaus, Nagel, Narum, Nelson, Nesja, Nicklaus, Niederman, Oien, Olson, Oster, Ostermiller, Ottmar, Pahl, Panasuk, Pastian, Payne, Pederson, Peepers, Permann, Petterson, Petrick, Pfutzenreuter, Pidde, Prindle, Reimann, Pruitt, Prysock, Quanbeck, Rafteseth, Rambur, Rath, Rauscher, Redman, Reich, Reimann, Reineke, Reinhiller, Remias, Rexroth, Riedlinger, Riely, Rivinius, Roe, Rohr, Rokusek, Roll, Roningen, Roth, Rouse, Ryherd, Sabin, Sahr, Schaible, Schatz, Scheffelmaier, Scherr, Schmidt, Schmitz, Schock, Schuh, Schultz, Schulz, Schumacher, Schutt, Seibel, Seidler, Sellner, Shanahan, Shawchuck, Sick, Siewert, Skarperud, Smith, Sommerfeld, Sprecher, Sprenger, Stampley, Steckler, Stelter, Stern, Stevahn, Stoller, Striegel, Stymeist, Sweatt, Taber, Thatcher, Theurer, Thomas, Thompson, Tibke, Tietz, Trauger, Ulrich, Underwood, Vaaler, Vaughan, Veitz, Vetter, Vilhauer, Vizenor, Volk, Voll, Vujnovich, Walden, Watson, Wegner, Weikum, Weishaar, Weiss, Werner, Werre, White, Wiens, Will, Willnow, Winkler, Witkowski, Wolf, Wolff, Worchester, Wruck, Wutzke, Zacher, Zimmerle, and Zimmerman.