Theisen, Peter Thomas^{[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]}

1908 - 1970  (61 years)

• Name	Theisen, Peter Thomas
  Birth	26 Jun 1908	Nadeau Township, Menominee County, Michigan, United States
  	Per the Security Death Index.
  Gender	Male
  Death	25 Jan 1970	Milwaukee, Milwaukee County, Wisconsin, United States   [15]
  Burial	28 Jan 1970	Milwaukee, Milwaukee County, Wisconsin, United States   [15]
  Person ID	I61	Theisen & Allied Families
  Last Modified	7 Sep 2025

  
  

  Father	Theisen, Michael John,   b. 2 Jun 1858, New Franken, Brown County, Wisconsin, United States d. 10 Mar 1924, Nadeau Township, Menominee County, Michigan, United States (Age 65 years)
  Mother	DeTemple, Wilhelmina,   b. 2 Feb 1871, Alsace-Lorraine, Germany (Now France) d. 1 May 1948, Milwaukee County, Wisconsin, United States (Age 77 years)
  Marriage	26 Aug 1896	Nadeau Township, Menominee County, Michigan, United States   [16, 17, 18, 19, 20, 21]
  Family ID	F5	Group Sheet  |  Family Chart

  
  

  Family	Schmidt, Dorothy A,   b. 4 Oct 1910, Waukesha, Wisconsin, United States d. 8 Aug 2000 (Age 89 years)
  Marriage	16 May 1936	Milwaukee, Milwaukee County, Wisconsin, United States
  Children	1. Theisen, Peter T Jr,   b. 24 Sep 1937, Wisconsin, USA d. 22 Dec 2010, Wisconsin, USA (Age 73 years)   2. Theisen, James R,   b. 27 Jan 1942   d. Yes, date unknown
  Family ID	F599	Group Sheet  |  Family Chart
  Last Modified	20 Mar 2026

  
  

• Sources

  [S1] FamilySearch Family Tree, https://www.myheritage.com/research/record-40001-556675502/peter-thomas-theisen-in-familysearch-family-tree (Reliability: 3). Added via a Person Discovery [S4] U.S. Social Security Death Index (SSDI), https://www.myheritage.com/research/record-10002-52584575/peter-theisen-in-us-social-security-death-index-ssdi. Peter Theisen Birth: June 26 1908 Death: Jan 1970 Last residence: Milwaukee, Wisconsin 53214, USA SSN issuing state: [S1] FamilySearch Family Tree, https://www.myheritage.com/research/record-40001-556675502/peter-thomas-theisen-in-familysearch-family-tree. Peter Thomas Theisen Gender: Male Birth: June 26 1908 - Nadeau,Menominee,Michigan Residence: 1910 - Nadeau, Menominee, Michigan, United States Residence: 1920 - Nadeau, Menominee, Michigan, United States Death: June 25 1975 Parents: <a>Michael John Theisen</a>, <a>Wilhelmina Theisen (born Detampel)</a> Siblings: <a>Lucille Angelina Theisen</a>, <a>Michael John Theisen</a>, <a>Margaret Minnie Theisen</a>, <a>John Joseph Theisen</a>, <a>Alfred Hubert Mulligan</a>, <a>Louis Raymond Theisen</a>, <a>Veronica Ella Theisen</a>, <a>Mary Frances Hansen (born Theisen)</a>, <a>Franci M Theisen</a> [S253] 1910 United States Federal Census, https://www.myheritage.com/research/record-10132-39400978/peter-t-theisen-in-1910-united-states-federal-census. Peter T Theisen Gender: Male Birth: Circa 1909 - Michigan, United States Residence: 1910 - Nadeau, Menominee, Michigan, USA Age: 1 Marital status: Single Race: White Ethnicity: American Father: Michael Theisen Mother: Minnie Theisen Siblings: Alfred H Theisen, Michael J Theisen, Franci M Theisen, Joseph J Theisen, Margaret M Theisen, Veronica E Theisen, Lucy A Theisen Census: [S6] 1920 United States Federal Census, https://www.myheritage.com/research/record-10133-142254241/peter-t-theisen-in-1920-united-states-federal-census. Peter T Theisen Gender: Male Birth: Circa 1909 - Michigan, United States Residence: 1920 - Menominee, Michigan, USA Age: 11 Marital status: Single Race: White Ethnicity: American Can read: Yes Can write: Yes Father: Michael Theisen Mother: Minnie Theisen Siblings: Francis Theisen, John J Theisen, Minnie M Theisen, Veronick E Theisen, Lucile E Theisen, Louis R Theisen Census: [S266] Theisen Web Site, https://www.myheritage.com/person-4000037_183275582_183275582/peter-t-theisen (Reliability: 3). Added by confirming a Smart Match [S329] Lutgen-Bochem Family Tree, https://www.myheritage.com/person-6000075_54845491_54845491/peter-theisen (Reliability: 3). Added by confirming a Smart Match [S8] 1930 United States Federal Census. Peter T Theisen&lt;br&gt;Gender: Male&lt;br&gt;Birth: Circa 1909 - Michigan, United States&lt;br&gt;Residence: 1930 - Milwaukee (Districts 251-337), Milwaukee, Wisconsin, USA&lt;br&gt;Age: 21&lt;br&gt;Marital status: Single&lt;br&gt;Race: White&lt;br&gt;Language: English&lt;br&gt;Father's birth place: Wisconsin, United States&lt;br&gt;Mother: Minnie Theisen&lt;br&gt;Mother's birth place: Germany&lt;br&gt;Siblings: Minnie Theisen, Veronica Theisen, Louis Theisen&lt;br&gt;Census: [S5] 1940 United States Federal Census. Peter Sr Theisen&lt;br&gt;Gender: Male&lt;br&gt;Birth: Circa 1909 - Michigan, USA&lt;br&gt;Residence: 1940 - 4626 West Lloyd, Milwaukee, Milwaukee, Wisconsin, USA&lt;br&gt;Age: 31&lt;br&gt;Race: White&lt;br&gt;Marital status: Married&lt;br&gt;Wife: Dorothy Theisen&lt;br&gt;Son: Peter Jr Theisen&lt;br&gt;Census: [S6] 1920 United States Federal Census. Peter T Theisen&lt;br&gt;Gender: Male&lt;br&gt;Birth: Circa 1909 - Michigan, United States&lt;br&gt;Residence: 1920 - Menominee, Michigan, USA&lt;br&gt;Age: 11&lt;br&gt;Marital status: Single&lt;br&gt;Race: White&lt;br&gt;Ethnicity: American&lt;br&gt;Can read: Yes&lt;br&gt;Can write: Yes&lt;br&gt;Father: Michael Theisen&lt;br&gt;Mother: Minnie Theisen&lt;br&gt;Siblings: Francis Theisen, John J Theisen, Minnie M Theisen, Veronick E Theisen, Lucile E Theisen, Louis R Theisen&lt;br&gt;Census: CountyMenomineeSeriesT625Line32 [S328] DeTemple Web Site, https://www.myheritage.com/person-4000037_183275582_183275582/peter-t-theisen (Reliability: 3). Added by confirming a Smart Match [S329] Lutgen-Bochem Family Tree, https://www.myheritage.com/person-6000075_54845491_54845491/peter-thomas-theisen (Reliability: 3). Added by confirming a Smart Match [S1] FamilySearch Family Tree. Peter Thomas Theisen&lt;br&gt;Gender: Male&lt;br&gt;Birth: June 26 1908 - Nadeau,Menominee,Michigan&lt;br&gt;Marriage: Spouse: Dorothy Schmidt - May 16 1936 - Milwaukee, Wisconsin, United States&lt;br&gt;Residence: 1910 - Nadeau, Menominee, Michigan, United States&lt;br&gt;Residence: 1920 - Nadeau, Menominee, Michigan, United States&lt;br&gt;Death: June 25 1975&lt;br&gt;Parents: <a>Michael John Theisen</a>, <a>Wilhelmina "Minnie" Theisen (born Detampel)</a>&lt;br&gt;Wife: <a>Dorothy Theisen (born Schmidt)</a>&lt;br&gt;Siblings: <a>Alfred Hubert Mulligan</a>, <a>Michael John Theisen</a>, <a>Mary Frances Hansen (born Theisen)</a>, <a>Franci M Theisen</a>, <a>John Joseph Theisen</a>, <a>Margaret Minnie Keith (born Theisen)</a>, <a>Veronica Ella Theisen</a>, <a>Lucille Angelina Taylor (born Theisen)</a>, <a>Louis Raymond Theisen</a> [S253] 1910 United States Federal Census. Peter T Theisen&lt;br&gt;Gender: Male&lt;br&gt;Birth: Circa 1909 - Michigan, United States&lt;br&gt;Residence: 1910 - Nadeau, Menominee, Michigan, USA&lt;br&gt;Age: 1&lt;br&gt;Marital status: Single&lt;br&gt;Race: White&lt;br&gt;Ethnicity: American&lt;br&gt;Father: Michael Theisen&lt;br&gt;Mother: Minnie Theisen&lt;br&gt;Siblings: Alfred H Theisen, Michael J Theisen, Franci M Theisen, Joseph J Theisen, Margaret M Theisen, Veronica E Theisen, Lucy A Theisen&lt;br&gt;Census: [S333] Obituary, January 27, 1970 page 35 & 48. [S330] Marriage Certificate or Record. [S324] Death Certificate or Record, State Death Number - 67 028005. [S1] FamilySearch Family Tree, https://www.familysearch.org/ark:/61903/3:1:939V-JB3X-V Pg. 131, Img 137 (record #103). [S428] Baptism or Christening Record, Pg. 338 of original baptismal book. St. Bruno's Catholic Church in Nadeau Township, Michigan was founded in 1887. [S327] Church Records, Pg. 13 of the original marriage book. [S355] Birth Certificate or Record, Number 121-055-0000188 ; Filed 02 August 1912. Copied issued 24 March 2022 to Gary Theisen.