- Antonius Bernardus Eising
Death - 1 January 1903 - Hoogezand-Sappemeer-Martenshoek, Groningen, Nederland - James Wolcott (Jim) O'Donnell
Birth - 1903 - Denver, Denver County, Colorado, United States of America - Frank Vraspier
Birth - about 1903 - , Nebraska, United States of America - Philip Humlicek
- Sadie Marie Munsterman
Birth - 1903 - Coon Rapids, Carroll County, Iowa, United States of America - Elsie Lillian Coleman
Birth - 2 January 1903 - Kearney, Buffalo County, Nebraska, United States of America - Ruby R. Schneider
Birth - 13 January 1903 - Colon, Saunders County, Nebraska, United States of America - Charles W. Andel
Birth - 26 January 1903 - David City, Butler County, Nebraska, United States of America - Anna Liska
Birth - 31 January 1903 - Verdigre, Knox County, Nebraska, United States of America - Anton Reiners
- Johann Georg Pfeiffer
Death - 9 April 1903 - Neustadt an der Aisch, Bayern, Deutschland - Willemke Kievid
- Ella Scheer
Birth - 24 April 1903 - Neligh, Antelope County, Nebraska, United States of America - Edith Catherine Mishka
Birth - 5 May 1903 - Chelan, Chelan County, Washington, United States of America - Anna Eberhard
- Eliza Jane Fisher
Death - 18 June 1903 - Ravenna, Buffalo County, Nebraska, United States of America - Walter W. Hartmann
- Gerrit Verhaaf
- Emma Krieg
- Catharina Kohl
- Celia Bowers
- Floyd Junior Race
Birth - 20 September 1903 - Neligh, Antelope County, Nebraska, United States of America - Vaclav (James) Svoboda
Birth - 21 September 1903 - Chester Precinct, Saunders County, Nebraska, United States of America - Maria Magdalena Niessen
- Bessie Svoboda
- Rut Arie de Jong
- Lewis M. (Lew) Carter
- Johan Marius Nicolaas "Jopie" Heesters
- Pietertje Terlouw
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