Sources


  1. Robert and Susan Mack, Robert and Susan Mack Research of the Mack Family, Given to Gary Griggs, 8/2/2002.
  2. U.S. Census, Juneau County, WI, 1930 Census.
  3. FamilySearch.org/Search Website, Researched by Gary Griggs, 11/20/2023.
  4. U.S. Census, Iron County, MI, 1920 Census.
  5. U.S. Census, Wayne County, MI, 1930 Census.
  6. U.S. Census, Iron County, MI
    , 1910 Census.
  7. MyHeritage.com Website, Researched by Gary Griggs, 11/20/2023.
  8. Robert Mack Conversation with Gary Griggs, 1/3/2001.
  9. MyHeritage.com Website, Researched by Gary Griggs, 7/15/2021.
  10. Bernice Pergande Griggs Notes, 1992 Griggs Family Tree Booklet.
  11. U.S. Census, Milwaukee County, WI, 1940 Census.
  12. U.S. Census, Milwaukee County, WI, 1950 Census.
  13. Monroe, Juneau, Jackson Counties Genealogical Workshop, Inc., "Monroe County (WI) Index to Birth Registrations, 1850-1944".
  14. U.S. Census, Monroe County, WI, 1920 Census.
  15. U.S. Census, Juneau County, WI, 1950 Census.
  16. Gary Griggs Research of the Griggs, Pergande and Related Families.
  17. MyHeritage.com Website, Researched by Gary Griggs, 11/21/2023.
  18. Robert Mack Conversation with Gary Griggs, 1/1/2002.
  19. Obituary, Langhorne Courier Times.
  20. Obituary.