John Duncan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Attala-County, Mississippi

Our Model Tree links this John Duncan across the 1920, 1930 and 1940 US Censuses in Attala-County, Mississippi (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 4-person household.

Age 61 b. ~1879 Male Head Born: Mississippi Married

1940 Census Record Details

Census Year	1940
Location	Attala-County, Mississippi
Surname	Duncan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	61
Marital Status	Married
Birthplace	Mississippi
1935 Residence (City)	Kosciusko
1935 Residence (County)	Attala
Additional Details
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Mississippi
Birth Country	United States
Birthplace (normalized)	mississippi
Occupation	Farming
Township / Ward	Kosciusko
Est. Birth Year	~1879

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Janie Duncan	Daughter	—	20	~1920
Edana Duncan	Daughter	—	18	~1922
John Duncan	Head	—	61	~1879
Edna Duncan	Spouse	—	55	~1885

Census Appearances

1920

Attala, Mississippi

Head, age 41

Attala, Mississippi · implied b. ~1879 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Duncan
Given Name	John N.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Mississippi
Father's Birthplace	South Carolina
Mother's Birthplace	Mississippi
Occupation	Farmer
Industry	General 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

Attala, Mississippi

Head, age 51

Attala, Mississippi · implied b. ~1879 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Duncan
Given Name	John N.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Mississippi
Age at First Marriage	29
Father's Birthplace	South Carolina
Mother's Birthplace	Mississippi
Occupation	Farmer
Industry	Farm
Class of Worker	VV
Can Read/Write	Yes
Home Owned/Rented	O
Veteran	No
Birth State	Mississippi
Birth Country	United States
Birthplace (normalized)	mississippi

1940

Attala-County, Mississippi

Head, age 61

Attala-County, Mississippi · implied b. ~1879 — 4 household members

Surname	Duncan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	Black
Age	61
Marital Status	Married
Birthplace	Mississippi
1935 Residence (City)	Kosciusko
1935 Residence (County)	Attala
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Mississippi
Birth Country	United States
Birthplace (normalized)	mississippi

Model Tree

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.

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This person

Anchor record

John Duncan

Head · 1940 · age 61 · b. ~1879 · 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 — Attala-County, Mississippi Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02008-00243)

Line	Name	Age	Relation	Occupation	Birthplace
1	Willie Miller	28	Head	Farming	Mississippi
2	Lucia Miller	26	Wife	Housekeeping	Mississippi
3	Wilson Shelby	25	Head	Farming	Mississippi
4	Winney Shelby	22	Wife	Spinner	Mississippi
5	Bettie Shelby	45	Mother	—	Mississippi
6	Pat Martin	40	Boarder	Doffer	Mississippi
7	Amey Mitchell	31	Head	Farming	Mississippi
8	Beatrice Mitchell	20	Wife	Housekeeping	Mississippi
9	Will Teague	63	Head	—	Mississippi
10	Jess Teague	22	Son	Truck Driver	Mississippi
11	Junhauns Teague	23	Son	Laborer	Mississippi
12	Ernest Blankenship	26	Head	Card Hand	Tennessee
13	Luise Blankenship	25	Wife	Housekeeping	Mississippi
14	Willie Thomas	39	Head	Weaver	Mississippi
15	Rebecca Thomas	39	Wife	Weaver	Mississippi
16	Charlie Davis	27	Head	—	Mississippi
17	Minnie Davis	24	Wife	—	Mississippi
18	John Duncan THIS PERSON	61	Head	Farming	Mississippi
19	Edna Duncan	55	Wife	Housekeeping	Mississippi
20	Janie Duncan	20	Daughter	Bookkeeper	Mississippi
21	Edana Duncan	18	Daughter	—	Mississippi
22	Mack D. Thomas	72	Head	Farming	Mississippi
23	Lila Thomas	32	Wife	Housekeeping	Mississippi
24	Alda Thomas	55	Sister	—	Mississippi
25	Mack Jr. Thomas	23	Son	Truck Driver	Mississippi
26	Wayne Riley Thomas	4	Grandson	—	Mississippi
27	Henry Smith	37	Head	Farming	Mississippi
28	Janice Smith	37	Wife	—	Mississippi
29	Maderia Smith	13	Daughter	—	Mississippi
30	Marlene Smith	10	Daughter	—	Mississippi
31	Henry Lee Smith	8	Son	—	Mississippi
32	Ina Ora Smith	6	Daughter	—	Mississippi
33	Eddie Mae Smith	3	Daughter	—	Mississippi
34	Will Lampkin	52	Head	Laborer	Mississippi
35	Sarah Lampkin	47	Wife	Housekeeping	Mississippi
36	Willie Frank Lampkin	18	Son	—	Mississippi
37	Charlie D. Lampkin	12	Son	—	Mississippi
38	Joe Cochran	67	Head	—	Texas
39	Carrie Cochran	69	Wife	—	Mississippi
40	Cassie Lee Cochran	20	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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