Source Credits(1) Note: Lincoln Ave/Street could not be found in the 1940-1943 Detroit City Directories. The St. Francis Boy's Home was located on "Fenkle Ave." It is possible that Fenkle was misunderstood as Lincoln by the recruiting officer? This researcher has no other explanation for the nonexistent address of 4000 Lincoln.
*Ancestry.com. Michigan, U.S., Marriage Records, 1867-1952 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2015. Wayne Co., MI, page 361; record # 145965; citing marriage of Angeline Wroblewska and Leo F. Pokrefke, 8 May 1917.
*1910 US Census, MI, Wayne Co., Detroit, Ward 14, Dist 0212. HH# 290; citing family of Anthony and Mary "Robleske."
*Ancestry.com. U.S., World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2005; citing draft card of Leo Pokryfke. He was described as "short, 140 lbs, blonde hair, blue eyes."
*1920 US Census, MI, Wayne Co., Ward 14, Dist 0426; enumerated 5 Jan 1920; HH #394; citing family of Leo Pokrywki or Pokryuski.
*1930 US Census, MI, Macomb Co., Warren Twsp. Enumerated 26 May 1930., HH #361, Continentel Avenue.
*Detroit Free Press, Wed, Oct 7, 1936, p. 3; citing Boy, 8, Put Out of His Home.
*Detroit Free Press, Sat, Nov 14, 1936, p. 30; citing brothers reunited in orphanage.
*Detroit Free Press, Sat, Nov 14, 1936, p. 4; citing Community Fund annual fundraising.
*The Society of St. Vincent de Paul, USA. Online: https://ssvpusa.org/about-us/
*Detroit Free Press, Fri, Nov 28, 1941, p. 26; citing marriage license of Sylvia Pokryfke, 18, and John M. Choate, 21 years old.
*Detroit Evening Times, Mon, Aug 24, 1942, p. 21; citing "Detroit Area Sends 310 to Navy During Week; Melvin F. and Leo R. "Pokryfke."
*Detroit Free Press, Sat, Oct 6, 1945, p. 5; citing Donald Martin Pokryfka, S1c, KIA.
*Navy Department, Casualty Section, Office of Public Information (1946): Combat Connected Naval Casualties, WWII, by States; Vol. AL-MO; MI, p. 26; citing Donald Martin Pokryfka son of Leo Pokryfka, 1930 4th St., Detroit.
*MI Dept. of Health, Division of Vital Statistics, Wayne Co., Certificate of Death, Register # 10268; citing death of "Angeline Wroblewski-Pokryfki"
*Ancestry.com. Michigan, U.S., Marriage Records, 1867-1952 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2015.
*MI Dept. of Health, Bureau of Records and Statistics; Divorce Record, Wayne Co., Circuit Court, Docket #264658, State # 82-67834; citing divorce decree of Helen K. Pokryfka from Leo F. Pokryfka
*Find a Grave, database and images (https://www.findagrave.com/memorial/193951516/donald_martin-pokryfka: accessed February 9, 2026), memorial page for S2 Donald Martin Pokryfka (3 Jan 1928-30 Jul 1945), Find a Grave Memorial ID 193951516, citing U.S.S. Indianapolis National Memorial, Indianapolis, Marion County, IN.
*Find a Grave, database and images (https://www.findagrave.com/memorial/228478534/leo_russell-pokryfke: accessed February 9, 2026), memorial page for COX Leo Russell Pokryfke (7 Jun 1924-8 Jan 2000), Find a Grave Memorial ID 228478534, citing Great Lakes National Cemetery, Holly, Oakland County, MI.
*Ancestry.com. U.S., Social Security Applications and Claims Index, 1936-2007 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2015. Original data: Social Security Applications and Claims, 1936-2007; citing Leo R. Pokryfke, d. 8 Jan 2000; b. 7 Jun 1924, Mt. Clemons, Michigan. Parents Leo Pokryfke and Angeline Wroblewski.
*Find a Grave, database and images (https://www.findagrave.com/memorial/136739342/melvin_frederick-pokryfke: accessed February 16, 2026), memorial page for Melvin Frederick Pokryfke (15 Aug 1925-26 May 2014), Find a Grave Memorial ID 136739342, citing Great Lakes National Cemetery, Holly, Oakland County, MI.
*Find a Grave, database and images (https://www.findagrave.com/memorial/157947102/angeline-wroblewski: accessed February 16, 2026), memorial page for Angeline Wroblewski (unknown-24 Sep 1932), Find a Grave Memorial ID 157947102, citing Holy Cross Cemetery, Detroit, Wayne County, MI.
*Detroit Free Press, Sun Jun 27, 1954, p. 157; citing death notice of Leo Pokryfka.