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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 son (b.~1927), then head of a 9-person household.

Age 13 b. ~1927 Male Son Born: Mississippi Single

1940 Census Record Details

Census Year1940
LocationJefferson-County, Mississippi
SurnameSmith
Given NameCalvin Jr.
Relationship to Headson
SexM
Color / RaceBlack
Age13
Marital StatusSingle
BirthplaceMississippi
1935 Residence (County)Jefferson
Additional Details
Highest GradeNo 4
Birth StateMississippi
Birth CountryUnited States
Birthplace (normalized)mississippi
Township / WardDistrict 5
Est. Birth Year~1927

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

Census Appearances

1930
Jefferson, Mississippi
Son, age 3
Jefferson, Mississippi · implied b. ~1927 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Calvin
Relationship to Head Son
Sex M
Color / Race Black
Age 3
Marital Status Single
Birthplace Mississippi
Father's Birthplace Mississippi
Mother's Birthplace Mississippi
Occupation none
Can Read/Write No
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1940
Jefferson-County, Mississippi
Son, age 13
Jefferson-County, Mississippi · implied b. ~1927 — 9 household members
Surname Smith
Given Name Calvin Jr.
Relationship to Head son
Sex M
Color / Race Black
Age 13
Marital Status Single
Birthplace Mississippi
1935 Residence (County) Jefferson
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 Calvin Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Calvin Smith
Son · 1940 · age 13 · b. ~1927 · Mississippi
★ You are viewing this record
Sibling
James Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Smith
Sibling · 1940 · age 1
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 — 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 38 Head — Mississippi
20 Mary Smith 30 wife — Mississippi
21 James Jr. Smith 15 son — Mississippi
22 Calvin Jr. Smith THIS PERSON 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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