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John Sparks — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Clark-County, Ohio

Our Model Tree links this John Sparks across the 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.

Age 19 b. ~1921 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationClark-County, Ohio
SurnameSparks
Given NameJohn Jr.
Relationship to HeadSon
SexM
Color / RaceBlack
Age19
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Springfield
1935 Residence (County)Clark
Additional Details
OccupationFloor Sanding
Class of WorkerOA
Income (1939)0
Highest GradeHs 4
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationFloor Sanding
Township / WardSpringfield
Est. Birth Year~1921

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 John Age Birth yr
Irene Sparks Daughter — 12 ~1928
Clement Sparks Son — 9 ~1931
Birdie Sparks Spouse — 44 ~1896
Mable Sparks Daughter — 21 ~1919
James Sparks Son — 17 ~1923
John Sparks Head — 49 ~1891
Walter Sparks Son — 6 ~1934
Alice Sparks Daughter — 3 ~1937
John Sparks Son — 19 ~1921

Census Appearances

1930
Clark, Ohio
Son, age 9
Clark, Ohio · implied b. ~1921 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Sparks
Given Name John
Relationship to Head Son
Sex M
Color / Race Black
Age 9
Marital Status Single
Birthplace Ohio
Father's Birthplace Kentucky
Mother's Birthplace Kentucky
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Clark-County, Ohio
Son, age 19
Clark-County, Ohio · implied b. ~1921 — 9 household members
Surname Sparks
Given Name John Jr.
Relationship to Head Son
Sex M
Color / Race Black
Age 19
Marital Status Single
Birthplace Ohio
1935 Residence (City) Springfield
1935 Residence (County) Clark
Occupation Floor Sanding
Class of Worker OA
Income (1939) 0
Highest Grade Hs 4
1935 Residence Same place
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sparks
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
James Sparks
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Sparks
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Sparks
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sparks
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Sparks
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clement Sparks
Sibling · 1940 · age 9
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 — Clark-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03040-00245)

Line Name Age Relation Occupation Birthplace
1 Basil Bullock 28 Head House Work Alabama
2 Jessie Bullock 18 Wife — Alabama
3 Harry Mcfarland 27 Lodger Laborer Ohio
4 Bertha Bullock 9 Daughter — Alabama
5 Sarah Bullock 1 Daughter — W. Virginia
6 Willie Lou Bullock 1 Daughter — W. Virginia
7 Geraldine Hubbard 1 Daughter — W. Virginia
8 Rella Crow 49 Head — Georgia
9 William Crow 27 Son — Georgia
10 Luther Crow 24 Son — Georgia
11 Milton Crow 19 Son News Walker Georgia
12 Margaret Crow 15 Daughter — Georgia
13 Edward Blake 15 Nephew — Ohio
14 Richard A. Russell 69 Head — Kentucky
15 Trudy Russell 47 Wife — Kentucky
16 Richard Jr. Russell 12 Son — Ohio
17 Bertha Russell 10 Son — Ohio
18 Charles Martin 61 Head Janitor Georgia
19 Lanie Martin 52 Wife — Georgia
20 Bessie Clark 29 Daughter — Georgia
21 Ella Mae Clark 7 Granddaughter — Ohio
22 John Sparks 49 Head Floor Sander Kentucky
23 Birdie Sparks 44 Wife — Kentucky
24 Mable Sparks 21 Daughter — Ohio
25 John Jr. Sparks THIS PERSON 19 Son Floor Sanding Ohio
26 James Sparks 17 Son Floor Sanding Ohio
27 Irene Sparks 12 Daughter — Ohio
28 Clement Sparks 9 Son — Ohio
29 Walter Sparks 6 Son — Ohio
30 Alice Sparks 3 Daughter — Ohio
31 George Goggins 66 Head Stationary Fireman Kentucky
32 Eddie Goggins 62 Wife — Kentucky
33 George Jr. Goggins 26 Son Receiving Dept. Kentucky
34 Robert Goggins 25 Son Foundry Worker Kentucky
35 Bessie Goggins 24 Daughter — Kentucky
36 Joseph Jr. Goggins 22 Son — Ohio
37 Eamond Bronston 25 Head Grinder Ohio
38 Naomi Bronston 24 Wife — Virginia
39 Robert O. Bronston 6 Son — Ohio
40 Shirley Ann Bronston 5 Daughter — Ohio

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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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