When William Valentine Mathias was born on 12 October 1882, in Richmond, Washington, Iowa, United States, his father, Nicolaus Matheis, was 38 and his mother, Catherine Auer, was 38. He lived in Irvington, Kossuth, Iowa, United States in 1900 and Aberdeen, Brown, South Dakota, United States for about 20 years. He died on 2 February 1947, at the age of 64, and was buried in Dell Rapids, Minnehaha, South Dakota, United States.
English, Welsh, German, French, Walloon, Luxembourgish, West Indian (mainly Haiti), and African (mainly Tanzania): from a variant of the Biblical personal name Matthias, a Latin and Greek form of Matthew .
Germanized or Americanized form of Hungarian Mátyás, Czech or Slovak Matyáš, Matiáš, Matiaš, etc., Croatian Matijaš, and Slovenian Matjaš or Matjaž, cognates of 1 (see Matias and Matyas ). Compare Matthias .