Janiszewski Family History
Janiszewski Surname Meaning
Polish: habitational name for someone from Janiszew in Łódź Masovian and Greater Poland voivodeships or Janiszów in Lublin and Podkarpackie voivodeships;
both placenames are from the personal name Janisz, a derivative of Jan.
Source: Dictionary of American Family Names 2nd edition, 2022
