Franciscan Friars

• 1). Say "Brother Smith," for example, if you're directly addressing the friar and "Smith" is his last name.
  
  
• 2). Write "Brother Smith, O.F.M." if you're writing to the friar. The initials stand for Order of Friars Minor.
  
  
• 3). Say "Brother Smith of the Order of Friars Minor" if you are making a formal introduction.
  
  

Dominican Friars

• 1). Say "Brother Smith," for example, if you're directly addressing the friar and Smith is his last name.
  
  
• 2). Write "Brother Smith, O.P." if you're writing to the friar. The initials stand for Order of Preachers.
  
  
• 3). Say "Brother Smith of the Order of Preachers" if you're making a formal introduction.