1910 Dassel Twp Census page 8A lines 37-44
1920 Dassel Twp Census page 10A lines 26-33
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1930 (May 1) Dassel Twp Census page 8A lines 15-21 lists William (Head) 55, Hilda 54, August 52, Ida 51, Oscar 49, Martin 47, Victor 45 (these ages are adjusted to reflect a 10 year census taker’s mistake; ages in the census are the same as the 1920 census ages)
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1940 (Apr 6) Dassel Twp Census page 2B lines 71-77 lists William (Head) 64, Hilda 63, Karl August 62, Ida 60, Oscar 58, Martin 56, Victor 55; Granath nephews and niece living with Boos: John Wallace 15, Louise Ann 11, Marvin 9
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Martin Boo
Source Citation: Year: 1900; Census Place: Dassel, Meeker, Minnesota;Roll: T623 775; Page: 3B; Enumeration District: 104.
Source Information:
Ancestry.com. 1900 United States Federal Census [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2004. Original data: United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administration, 1900. T623, 1854 rolls.
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Census Date: 1 May 1885
County: Meeker
Locality: Dassel
Birth Location: Sweden
Gender: Male
Estimated birth year: 1883
Race: White
Line: 13
Roll: MNSC_33
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Source Citation: Year: 1920;Census Place: Dassel, Meeker, Minnesota; Roll: T625_845; Page: 10A; Enumeration District: 118; Image: 125.
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Source Citation: Year: 1910; Census Place: Dassel, Meeker, Minnesota;Roll: T624_694; Page: 8A; Enumeration District: 86; Image: 965.
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Family Members
Parents
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John Boo
1844–1906
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Anna Peterson Boo
1842–1928

Siblings
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Maria Boo Granath
1874–1909
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William Boo
1875–1957
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Hilda Boo
1876–1962
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Carl August Boo
1878–1940
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Ida Boo
1879–1958
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Oscar Boo
1881–1967
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Victor Boo
1885–1963
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Emma Boo
1891–1891