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John Buchanan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mower-County, Minnesota

Our Model Tree links this John Buchanan across the 1930 and 1940 US Censuses in Mower-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 8-person household.

Age 56 b. ~1884 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year1940
LocationMower-County, Minnesota
SurnameBuchanan
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age56
Marital StatusMarried
BirthplaceMinnesota
1935 Residence (City)Austin
1935 Residence (County)Mower
Additional Details
OccupationLaborer
IndustryBridge Building
Class of WorkerPW
Hours Worked50
Income (1939)1190
Highest GradeH-2
1935 ResidenceSame place
Birth StateMinnesota
Birth CountryUnited States
Birthplace (normalized)minnesota
OccupationLaborer
Township / WardAustin
Est. Birth Year~1884

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

8 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
Mary Buchanan Daughter — 13 ~1927
Fred Buchanan Son — 4 ~1936
Daisy Buchanan Spouse — 49 ~1891
Gordon Buchanan Son — 7 ~1933
James Buchanan Son — 17 ~1923
Genevieve Buchanan Daughter — 15 ~1925
John Buchanan Head — 56 ~1884
John Buchanan Son — 10 ~1930

Census Appearances

1930
Mower, Minnesota
Head, age 46
Mower, Minnesota · implied b. ~1884 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname BUCHANAN
Given Name JOHN G.
Relationship to Head HEAD
Sex M
Color / Race White
Age 46
Marital Status Married
Birthplace MINNESOTA
Age at First Marriage 24
Father's Birthplace NORTH IRELAND
Mother's Birthplace NORTH IRELAND
Occupation CARPENTER
Industry BUILDING
Class of Worker OA
Can Read/Write Yes
Veteran 3000
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota
1940
Mower-County, Minnesota
Head, age 56
Mower-County, Minnesota · implied b. ~1884 — 8 household members
Surname Buchanan
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 56
Marital Status Married
Birthplace Minnesota
1935 Residence (City) Austin
1935 Residence (County) Mower
Occupation Laborer
Industry Bridge Building
Class of Worker PW
Hours Worked 50
Income (1939) 1190
Highest Grade H-2
1935 Residence Same place
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links John Buchanan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Buchanan
Head · 1940 · age 56 · b. ~1884 · Minnesota
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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Mower-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01940-00280)

Line Name Age Relation Occupation Birthplace
41 Arthur R. Hitchins 51 Head Laborer Illinois
42 Jane N. Hitchins 51 Wife — Illinois
43 Vinton Hitchins 27 Son Grocery Clerk Minnesota
44 Frank D. Meekins 28 Head Butcher Minnesota
45 Josephine Meekins 26 Wife Laborer Minnesota
46 Ronald Meekins 4 Son — Minnesota
47 Edgar S. Konfelt 32 Head Butcher Kansas
48 Esther Konfelt 35 Wife — Minnesota
49 Marion Konfelt 10 Daughter — Minnesota
50 Marjorie Konfelt 9 Daughter — Minnesota
51 Elaine Konfelt 7 Daughter — Minnesota
52 Ronald Konfelt 5 Son — Minnesota
53 Lawrence H. Mathews 33 Head Stationary Engineer Wisconsin
54 Margaret Mathews 29 Wife Laundress Vermont
55 Gilbert Mathews 12 Son — Minnesota
56 Ruth Mathews 9 Daughter — Minnesota
57 Harry Mathews 71 Father — Minnesota
58 Thomas Mathews 26 Brother Insurance Agt. Minnesota
59 Merril Galpin 36 Head Insurance Agt. Minnesota
60 Inez S. Galpin 35 Wife — Minnesota
61 Mollie Wood 33 Sister-in-law Maid Minnesota
62 George H. Rochford 67 Head — Minnesota
63 Emma Rochford 67 Wife — Wisconsin
64 Bernard Rochford 27 Son Filling Sta. Attdt. Minnesota
65 John Buchanan THIS PERSON 56 Head Laborer Minnesota
66 Daisy Buchanan 49 Wife — South Dakota
67 James Buchanan 17 Son — South Dakota
68 Genevieve Buchanan 15 Daughter — Minnesota
69 Mary Buchanan 13 Daughter — Minnesota
70 John Buchanan 10 Son — Minnesota
71 Gordon Buchanan 7 Son — Minnesota
72 Fred Buchanan 4 Son — Minnesota
73 Fred Mahlman 34 Head Asst. Foreman Minnesota
74 Lucille Mahlman 35 Wife — Minnesota
75 Joyce Mahlman 5 Daughter — Minnesota
76 Jean Mahlman 4 Daughter — Minnesota
77 Gilbert Holman 44 Head Laborer Minnesota
78 Mabel Holman 39 Wife — Minnesota
79 Ellen Holman 18 Daughter Laborer Minnesota
80 Kathleen Nemitz 19 Lodger Laborer Minnesota

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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