Confirmed Spelling Variations
(Includes Census Spelling Errors and Transcription Variations
Note the underline indicates a space)

Mac_Dade McDaid McDede
Mac_Daid  McDaide McDeed
MacDead  McDaiden McDevitt
MacDeed  McDait McDeyt
MacDede  McDaitt  
MacDeyt  McDate McDhais
MacDhais McDavit  
  McDay McDod
McDad   McDode
McDadade McDead McDude
McDadd McDeade  
McDade McDeadd McWade
McDaded McDeadde  
McDaeth McDeate Muckdade