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John Madden — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Logan-County, Oklahoma

Our Model Tree links this John Madden across the 1910, 1920, 1930 and 1940 US Censuses in Logan-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 2-person household.

Age 60 b. ~1880 Male Head Born: Mississippi Widowed

1940 Census Record Details

Census Year1940
LocationLogan-County, Oklahoma
SurnameMadden
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age60
Marital StatusWidowed
BirthplaceMississippi
1935 Residence (County)Logan
Additional Details
OccupationFarm
IndustryOA
Class of Worker0
Highest GradeNo 4
Birth StateMississippi
Birth CountryUnited States
Birthplace (normalized)mississippi
OccupationFarm
Township / WardWest Guthrie Township
Est. Birth Year~1880

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.

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

Name Relation to head Relative to John Age Birth yr
John Madden Head — 60 ~1880
Alchester Madden Son — 17 ~1923

Census Appearances

1910
Logan, Oklahoma
Head, age 31
Logan, Oklahoma · implied b. ~1879 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Madden
Given Name John
Relationship to Head Head
Sex M
Color / Race Black
Age 31
Marital Status Married
Birthplace Mississippi
Years Married 2
Father's Birthplace Mississippi
Mother's Birthplace Louisiana
Occupation Farmer
Industry General Farm
Can Read Yes
Can Write Yes
Speaks English English
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1920
Logan, Oklahoma
Head, age 39
Logan, Oklahoma · implied b. ~1881 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Madden
Given Name John
Relationship to Head Head
Sex M
Color / Race Black
Age 39
Marital Status Married
Birthplace Mississippi
Father's Birthplace United States
Mother's Birthplace Mississippi
Occupation Farmer
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Home Owned/Rented O
Home Free/Mortgaged F
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1930
Logan, Oklahoma
Head, age 50
Logan, Oklahoma · implied b. ~1880 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Madden
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 50
Marital Status Married
Birthplace Mississippi
Age at First Marriage 20
Father's Birthplace Mississippi
Mother's Birthplace Mississippi
Occupation Farmer
Industry Farm
Class of Worker OA
Can Read/Write Yes
Home Owned/Rented R
Veteran No
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1940
Logan-County, Oklahoma
Head, age 60
Logan-County, Oklahoma · implied b. ~1880 — 2 household members
Surname Madden
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 60
Marital Status Widowed
Birthplace Mississippi
1935 Residence (County) Logan
Occupation Farm
Industry OA
Class of Worker 0
Highest Grade No 4
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi

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 Madden across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Madden
Head · 1940 · age 60 · b. ~1880 · Oklahoma
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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 — Logan-County, Oklahoma Open full size

Page Contents

24 people indexed on this census page (nara:1940:m-t0627-03307-00619)

Line Name Age Relation Occupation Birthplace
41 Lois J Robinson 5 Daughter — Oklahoma
42 Betty Ruth Robinson 3 Daughter — Oklahoma
43 Pinnie A Lewis 40 Sister Home Kansas
44 Russell K Daugherty 40 Head Farm Missouri
45 George W Daugherty 62 Father Farm Missouri
46 Monroe Heath 74 Head — Mississippi
47 Mary Heath 45 Wife Home Oklahoma
48 Ledrew Evans 29 Head Farm Oklahoma
49 Herman Evans 24 Brother Farm Oklahoma
50 Rufus W Wilkes 60 Head Farm Kansas
51 Ruth Wilkes 54 Wife Home Louisiana
52 Irvin Davidson 30 Head Farm Oklahoma
53 Mildred E Davidson 25 Wife Home Oklahoma
54 William J Davidson 7 Son — Oklahoma
55 Betty Joe Davidson 5 Daughter — Oklahoma
56 Vena Davidson 1 Daughter — Oklahoma
57 Oscar G Moss 71 Head Farm Mississippi
58 Dollie H Moss 74 Wife Home Texas
59 Ernest Moss 26 Nephew Farm Mississippi
60 Eugene Moade 23 Head Farmer Oklahoma
61 John Madden THIS PERSON 60 Head Farm Mississippi
62 Alchester Madden 17 Son — Oklahoma
63 James O Cameron 51 Head Farm Tennessee
64 Mary M Cameron 42 Wife — Oklahoma

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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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