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Calvin Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Mississippi

Our Model Tree links this Calvin Smith across the 1930 and 1940 US Censuses in Jefferson-County, Mississippi (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 9-person household.

Age 38 b. ~1902 Male Head Born: Mississippi Married

1940 Census Record Details

Census Year1940
LocationJefferson-County, Mississippi
SurnameSmith
Given NameCalvin
Relationship to HeadHead
SexM
Color / RaceBlack
Age38
Marital StatusMarried
BirthplaceMississippi
1935 Residence (County)Jefferson
Additional Details
Industry40
Class of WorkerFarmer
Highest GradeNo 2
Birth StateMississippi
Birth CountryUnited States
Birthplace (normalized)mississippi
Township / WardDistrict 5
Est. Birth Year~1902

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.

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

Name Relation to head Relative to Calvin Age Birth yr
Jessie Smith Son — 6 ~1934
Richard Smith Son — 3 ~1937
Calvin Smith Son — 13 ~1927
James Smith Son — 15 ~1925
Peter Smith Son — 8 ~1932
Calvin Smith Head — 38 ~1902
Henry Smith Son — 1 ~1939
Lena Smith Daughter — 12 ~1928
Mary Smith Spouse — 30 ~1910

Census Appearances

1930
Jefferson, Mississippi
Head, age 28
Jefferson, Mississippi · implied b. ~1902 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Calvin
Relationship to Head Head
Sex M
Color / Race Black
Age 28
Marital Status Married
Birthplace Mississippi
Age at First Marriage 16
Father's Birthplace Mississippi
Mother's Birthplace Mississippi
Occupation Farmer
Industry General farm
Class of Worker OA
Can Read/Write No
Home Owned/Rented R
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1940
Jefferson-County, Mississippi
Head, age 38
Jefferson-County, Mississippi · implied b. ~1902 — 9 household members
Surname Smith
Given Name Calvin
Relationship to Head Head
Sex M
Color / Race Black
Age 38
Marital Status Married
Birthplace Mississippi
1935 Residence (County) Jefferson
Industry 40
Class of Worker Farmer
Highest Grade No 2
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 Calvin Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Calvin Smith
Head · 1940 · age 38 · b. ~1902 · 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 — Jefferson-County, Mississippi Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02034-00383)

Line Name Age Relation Occupation Birthplace
1 Julia Brown 7 daughter — Mississippi
2 Johanna Brown 5 daughter — Mississippi
3 Lafte|Lafle Chipman 35 Head 40 Mississippi
4 Rosie Chipman 23 wife — Mississippi
5 James T. Jr. Chipman 4 son — Mississippi
6 Hinde|Hinds Davis 50 Head — Mississippi
7 Sarah Davis 52 wife — Mississippi
8 Estelle Davis 18 granddaughter — Mississippi
9 Shed Davis 33 Head — Mississippi
10 Grace Davis 28 wife — Mississippi
11 Annie Mae Davis 11 daughter — Mississippi
12 David Knox 34 Head 40 Mississippi
13 Lucy Knox 28 wife — Mississippi
14 Laura May Knox 11 daughter — Mississippi
15 William Lee 40 Head — Mississippi
16 Helen Lee 34 wife — Mississippi
17 Hattie Lee 11 daughter — Mississippi
18 Phillip Murry 64 father-in-law — Mississippi
19 Calvin Smith THIS PERSON 38 Head — Mississippi
20 Mary Smith 30 wife — Mississippi
21 James Jr. Smith 15 son — Mississippi
22 Calvin Jr. Smith 13 son — Mississippi
23 Lena May Smith 12 daughter — Mississippi
24 Peter Smith 8 son — Mississippi
25 Jessie Henry Smith 6 son — Mississippi
26 Richard Smith 3 son — Mississippi
27 Henry Smith 1 son — Mississippi
28 David Smith 60 Head — Mississippi
29 Dallie Smith 48 wife — Mississippi
30 Bob Smith 22 son — Mississippi
31 Floyd Grant Smith 9 son — Mississippi
32 Mozelle Grant Smith 7 daughter — Mississippi
33 Charlie Grant Smith 2 son — Mississippi
34 Liberta Smith 35 Head 40 Mississippi
35 Corrine Smith 15 daughter — Mississippi
36 Mary Olivia Smith 13 daughter — Mississippi
37 Beatrice Smith 12 daughter — Mississippi
38 Rosie Lee Smith 10 daughter — Mississippi
39 George Smith 8 son — Mississippi
40 Sam Smith 6 son — 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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