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John Duncan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lee-County, Mississippi

Our Model Tree links this John Duncan across the 1920, 1930 and 1940 US Censuses in Lee-County, Mississippi (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 6-person household.

Age 58 b. ~1882 Male Head Born: Mississippi Married

1940 Census Record Details

Census Year1940
LocationLee-County, Mississippi
SurnameDuncan
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age58
Marital StatusMarried
BirthplaceMississippi
1935 Residence (County)Lee
Additional Details
Occupation60
IndustryFarm
Class of WorkerFarm
Highest GradeNo 8
1935 ResidenceLee
Birth StateMississippi
Birth CountryUnited States
Birthplace (normalized)mississippi
Occupation60
Township / WardBeat 4
Est. Birth Year~1882

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.

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

Name Relation to head Relative to John Age Birth yr
Bettie Duncan Daughter — 7 ~1933
John Duncan Daughter — 24 ~1916
John Duncan Head — 58 ~1882
Price Duncan Son — 13 ~1927
Will Duncan Son — 20 ~1920
Earl Duncan Spouse — 47 ~1893

Census Appearances

1920
Lee, Mississippi
Head, age 37
Lee, Mississippi · implied b. ~1883 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duncan
Given Name John J.
Relationship to Head Head
Sex M
Color / Race White
Age 37
Marital Status Married
Birthplace Mississippi
Father's Birthplace South Carolina
Mother's Birthplace Tennessee
Occupation Farmer
Industry Home Farm
Class of Worker OA
Can Read Yes
Can Write Yes
Speaks English Yes
Home Owned/Rented R
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1930
Lee, Mississippi
Head, age 48
Lee, Mississippi · implied b. ~1882 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duncan
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 48
Marital Status Married
Birthplace Mississippi
Age at First Marriage 32
Father's Birthplace South Carolina
Mother's Birthplace Mississippi
Occupation Farmer
Industry Farm
Class of Worker O
Can Read/Write Yes
Home Owned/Rented O
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1940
Lee-County, Mississippi
Head, age 58
Lee-County, Mississippi · implied b. ~1882 — 6 household members
Surname Duncan
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 58
Marital Status Married
Birthplace Mississippi
1935 Residence (County) Lee
Occupation 60
Industry Farm
Class of Worker Farm
Highest Grade No 8
1935 Residence Lee
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 Duncan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Duncan
Head · 1940 · age 58 · b. ~1882 · Mississippi
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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 — Lee-County, Mississippi Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02042-00773)

Line Name Age Relation Occupation Birthplace
41 Venie Lowery 6 Daughter — Mississippi
42 Buddie Lowery 3 Son — Mississippi
43 Bernice Lowery 1 Daughter — Mississippi
44 Letha D Barnie 32 Head 48 Mississippi
45 Jr Barnie 14 Son — Mississippi
46 Lora Barnie 10 Daughter — Mississippi
47 Lodger Barnie 36 Lodger 60 Mississippi
48 Tom Jr Austin 39 Head 60 Mississippi
49 Adonis Austin 35 Wife 48 Mississippi
50 Ben A Sheffield 43 Head 60 Mississippi
51 Dollie Sheffield 48 Sister — Mississippi
52 Elmer L Sheffield 43 Brother — Mississippi
53 John Duncan THIS PERSON 58 Head 60 Mississippi
54 Earl Duncan 47 Wife — Mississippi
55 John Ruth Duncan 24 Daughter 48 Mississippi
56 Will H Duncan 20 Son — Mississippi
57 Price Duncan 13 Son — Mississippi
58 Bettie Joe Duncan 7 Daughter — Mississippi
59 Tom Lamb 63 Head 60 Mississippi
60 Daisy Lamb 58 Wife — Mississippi
61 Quinton Lamb 39 Head 48 Mississippi
62 Willie Lou Lamb 34 Wife 60 Mississippi
63 Quinton Jr Lamb 13 Son — Mississippi
64 Willie Bob Shumpert 39 Head 60 Mississippi
65 Annie Lee Shumpert 25 Wife — Mississippi
66 Willie Lee Shumpert 6 Son — Mississippi
67 John Lee Shumpert 4 Son — Mississippi
68 Ad Shumpert 2 Son — Mississippi
69 Cloria Shumpert 24 Head 60 Mississippi
70 Mariene Shumpert 24 Wife — Mississippi
71 Jeff E Burt 59 Head 60 Mississippi
72 Hollie Burt 58 Wife — Mississippi
73 Earl W Burt 23 Son — Mississippi
74 Earnest M Burt 23 Son — Mississippi
75 William H Burt 32 Head 48 Mississippi
76 Vera Burt 28 Wife — Mississippi
77 Mary A Burt 2 Daughter — Mississippi
78 Wilfred Morris 24 Head 60 Mississippi
79 Avanelle Morris 26 Wife — Mississippi
80 Viranell Morris 2 Daughter — Mississippi

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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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