I am under the understanding that Demaine was the last part of Mingodemaine. That some of the male members of the family took demaine and most took just Mingo. If you are of that part of the family I would love to here from you. Here are some of the names: Mother of all listed was Lillian (LaPoint-was her Maiden name)Children: Bill Demaine Joe Mingo Cliff Mingo Henry Mingo Russ Mingo Walt Mingo Lill Mingo Marie Mingo Louse Demaine