title: Tomás Casillas
text: # Tomás Casillas
  
  Tomás Casillas, O.P. (died 1567) was a Roman Catholic prelate who served as Bishop of Chiapas (1552–1567).
  
  ## Biography
  
  Tomás Casillas was born in León, Spain and ordained a priest in the Order of Friars Preachers. On 19 Jan 1551, he was appointed during the papacy of Pope Julius III as Bishop of Chiapas. In 1552, he was consecrated bishop by Francisco Marroquín Hurtado, Bishop of Santiago de Guatemala He served as Bishop of Chiapas until his death on 29 Oct 1567.
  
  