the AuCoins do existin one form of spelling or another . I am from Newbrunswik canada there isa a small population there, some spelling the name Aucoin others AuCoin frankly i'm not sure witch way to spell it .Unfortunatly I am just starting my own reserch and am not sure whether or how the familys conect? any info on a family crest or a conection would be great! thank you SEAN Au Coin or Aucoin?