| Sources |
- [S225] Majdan Królewski Parish Records, 1890-1894 (Majdan Królewski), Krzątka year 1890, act 22; Marianna Kwaśnik birth and baptism.
- [S54] New York, U.S., County Marriage Records, 1847-1849, 1907-1936.
- [S9318] 1930 United States Federal Census, Year: 1930; Census Place: Yonkers, Westchester, New York; Page: 3B; Enumeration District: 0045; FHL microfilm: 2341401.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: Yonkers, Westchester, New York; Roll: m-t0627-02865; Page: 3B; Enumeration District: 68-62.
- [S9322] 1920 United States Federal Census, Year: 1920; Census Place: Yonkers Ward 6, Westchester, New York; Roll: T625_1280; Page: 5A; Enumeration District: 246.
- [S9121] U.S., Newspapers.com™ Obituary Index, 1800s-current, The Herald Statesman; Publication Date: 25 Oct 1976; Publication Place: Yonkers, New York, USA; URL: https://www.newspapers.com/image/678676027/?article=1c06ab5c-7c9d-4578-907f-22f6e95ccf0e&focus=0.38179776,0.74705,0.49570107,0.9732708&xid=3355.
The Herald Statesman; Publication Date: 25 Oct 1976; Publication Place: Yonkers, New York, USA; URL: https://www.newspapers.com/image/678676027/?article=1c06ab5c-7c9d-4578-907f-22f6e95ccf0e&focus=0.38179776,0.74705,0.49570107,0.9732708&xid=3355
- [S9100] U.S., Social Security Death Index, 1935-2014, Social Security Administration; Washington D.C., USA; Social Security Death Index, Master File.
- [S9114] 1950 United States Federal Census, National Archives at Washington, DC; Washington, D.C.; Seventeenth Census of the United States, 1950; Year: 1950; Census Place: Yonkers, Westchester, New York; Roll: 3582; Page: 7; Enumeration District: 74-106.
- [S236] Dęba & Poręby Dębskie Marriages, 1862-1890 (Majdan Królewski), year 1884, act 3; Franciszek Kwaśnik and Magdalena Puzio marriage.
- [S86] New York, U.S., Marriage Index, 1881-1967, New York State Department of Health; Albany, NY, USA; New York State Marriage Index.
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