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Richard Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Ionia-County, Michigan

Our Model Tree links this Richard Cook across the 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.

Age 15 b. ~1925 Male Son Born: Michigan Single

1940 Census Record Details

Census Year1940
LocationIonia-County, Michigan
SurnameCook
Given NameRichard E
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceMichigan
1935 Residence (City)Sebewa Twp.
1935 Residence (County)Ionia
Additional Details
Hours Worked0
Highest GradeH-3
1935 ResidenceSame place
Birth StateMichigan
Birth CountryUnited States
Birthplace (normalized)michigan
Township / WardSebewa Twp
Est. Birth Year~1925

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 Richard Age Birth yr
Marilyn Cook Daughter — 5 ~1935
Arthur Cook Son — 17 ~1923
Richard Cook Son — 15 ~1925
Thomas Cook Head — 56 ~1884
Dorothy Cook Daughter — 9 ~1931
Charlotte Cook Daughter — 19 ~1921
Alva Cook Spouse — 43 ~1897
Don Cook Son — 11 ~1929

Census Appearances

1930
Ionia, Michigan
Son, age 7
Ionia, Michigan · implied b. ~1923 — 50 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cook
Given Name Richard E.
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace Michigan
Father's Birthplace Michigan
Mother's Birthplace Michigan
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan
1940
Ionia-County, Michigan
Son, age 15
Ionia-County, Michigan · implied b. ~1925 — 8 household members
Surname Cook
Given Name Richard E
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Michigan
1935 Residence (City) Sebewa Twp.
1935 Residence (County) Ionia
Hours Worked 0
Highest Grade H-3
1935 Residence Same place
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan

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 Richard Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Cook
Son · 1940 · age 15 · b. ~1925 · Michigan
★ You are viewing this record
Sibling
Marilyn Cook
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Cook
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cook
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Cook
Sibling · 1940 · age 11
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 — Ionia-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01764-01031)

Line Name Age Relation Occupation Birthplace
41 Earl D Swiler 50 Head Farmer Michigan
42 Ruth Swiler 44 Wife — Michigan
43 Marilyn J Swiler 11 Daughter — Michigan
44 Dale S Swiler 4 Son — Michigan
45 Lizetta Masseney 82 Mother-in-law — Switzerland
46 Thomas H Cook 56 Head Farmer Michigan
47 Alva M Cook 43 Wife — Michigan
48 Charlotte K Cook 19 Daughter — Michigan
49 Arthur D Cook 17 Son — Michigan
50 Richard E Cook THIS PERSON 15 Son — Michigan
51 Don J Cook 11 Son — Michigan
52 Dorothy M Cook 9 Daughter — Michigan
53 Marilyn E Cook 5 Daughter — Michigan
54 Maurice Leak 38 Head Farmer Michigan
55 Bertha A Leak 40 Wife — Michigan
56 Maurice F Leak 13 Son — Michigan
57 Larry J Leak 12 Son — Michigan
58 Guy Leak 34 Head Farmer Michigan
59 Doris R Leak 25 Wife — Michigan
60 Edwin S Leak 4 Son — Michigan
61 James D Leak 3 Son — Michigan
62 Marvin Timmerman 41 Head Farmer Michigan
63 Josephine Timmerman 38 Wife — Iowa
64 Marjorie E Timmerman 10 Daughter — Michigan
65 Riley M Timmerman 9 Son — Michigan
66 Joan J Timmerman 7 Daughter — Michigan
67 Francis A Fox 85 Lodger — New York
68 April 29 Begin Here None — — —
69 Francis M Kelley 49 Head — Michigan
70 Howard L Morden 25 Head Farmer Michigan
71 Adelene Morden 24 Wife — Michigan
72 Thelma Elaine Morden 2 Daughter — Michigan
73 — None — — —
74 Wayne Straight 21 Head Farmer Michigan
75 Mary J E Straight 18 Wife — Michigan
76 Charles M Charlton 73 Head Secretary Ohio
77 Gerald Steel 17 Hired hand Laborer Michigan
78 John D Zankelias 35 Head Farmer Michigan
79 Laura U Zankelias 33 Wife — Michigan
80 Clayton Clark 49 Head Farmer Michigan

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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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