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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 son (b.~1930), then head of a 8-person household.

Age 10 b. ~1930 Male Son Born: Minnesota Single

1940 Census Record Details

Census Year1940
LocationMower-County, Minnesota
SurnameBuchanan
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age10
Marital StatusSingle
BirthplaceMinnesota
1935 Residence (City)Austin
1935 Residence (County)Mower
Additional Details
Highest Grade4
1935 ResidenceSame place
Birth StateMinnesota
Birth CountryUnited States
Birthplace (normalized)minnesota
Township / WardAustin
Est. Birth Year~1930

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
James Buchanan Son — 17 ~1923
Genevieve Buchanan Daughter — 15 ~1925
Gordon Buchanan Son — 7 ~1933
John Buchanan Son — 10 ~1930
John Buchanan Head — 56 ~1884
Daisy Buchanan Spouse — 49 ~1891
Mary Buchanan Daughter — 13 ~1927
Fred Buchanan Son — 4 ~1936

Census Appearances

1930
Mower, Minnesota
Son, age 1
Mower, Minnesota · implied b. ~1929 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname BUCHANAN
Given Name JOHN M.
Relationship to Head SON
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace MINNESOTA
Father's Birthplace MINNESOTA
Mother's Birthplace SOUTH DAKOTA
Can Read/Write NONE
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota
1940
Mower-County, Minnesota
Son, age 10
Mower-County, Minnesota · implied b. ~1930 — 8 household members
Surname Buchanan
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace Minnesota
1935 Residence (City) Austin
1935 Residence (County) Mower
Highest Grade 4
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
Son · 1940 · age 10 · b. ~1930 · Minnesota
★ You are viewing this record
Sibling
Fred Buchanan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Buchanan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Buchanan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Buchanan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Buchanan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
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 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 THIS PERSON 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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