Janczewski Family History
Janczewski Name Meaning
Polish: habitational name for someone from Janczewo in Podlaskie Voivodeship or Janczewice in Masovian Voivodeship.
Source: Dictionary of American Family Names 2nd edition, 2022
View Census Data for Janczewski | Data not to scale
United States shown, Canada data unavailable
Between 1950 and 2004, in the United States, Janczewski life expectancy was at its lowest point in 1950, and highest in 1994. The average life expectancy for Janczewski in 1950 was 41, and 81 in 2004.