The surname Macade is not commonly found in historical records, suggesting it may be a variant or less frequently used name. However, if we consider similar surnames like MacAdey or MacAdie, these names likely originated from Scottish or Irish Gaelic roots, possibly derived from personal names or place names. The use of such surnames has changed over time as they were adapted and modified by various families. These names are important because they reflect the cultural and linguistic diversity of Scotland and Ireland.
