Jerry Williams — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Jerry Williams across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.

Age 21 b. ~1919 Male Son Born: Illinois Single

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Williams
Given Name	Jerry
Relationship to Head	Son
Sex	M
Color / Race	Black
Age	21
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	City of Chicago
1935 Residence (County)	Cook
Additional Details
Occupation	Porter
Industry	Restaurant
Class of Worker	PW
Hours Worked	50
Income (1939)	522
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Occupation	Porter
Township / Ward	City Of Chicago
Est. Birth Year	~1919

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 Jerry	Age	Birth yr
Noah Freeman	Daughter	—	18	~1922
Rosa Williams	Head	—	54	~1886
Ronald Freeman	Other	—	1	~1939
Evelyn Coster	Other	—	2	~1938
Eunice Coster	Daughter	—	22	~1918
Sonia Coster	Other	—	3	~1937
Rina Coster	Other	—	1	~1939
Horace Freeman	Other	—	25	~1915
Jerry Williams	Son	—	21	~1919

Census Appearances

1930

Cook, Illinois

Son, age 11

Cook, Illinois · implied b. ~1919 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Jerry
Relationship to Head	Son
Sex	M
Color / Race	Black
Age	11
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Louisiana
Mother's Birthplace	Mississippi
Occupation	none
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Son, age 21

Cook-County, Illinois · implied b. ~1919 — 9 household members

Surname	Williams
Given Name	Jerry
Relationship to Head	Son
Sex	M
Color / Race	Black
Age	21
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	City of Chicago
1935 Residence (County)	Cook
Occupation	Porter
Industry	Restaurant
Class of Worker	PW
Hours Worked	50
Income (1939)	522
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links Jerry Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Jerry Williams

Son · 1940 · age 21 · b. ~1919 · Illinois

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Sibling

Eunice Coster

Sibling · 1940 · age 22

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Noah Freeman

Sibling · 1940 · age 18

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 — Cook-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00954-00056)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lodger Boxboro	None	M	Metal Refinery	—
2	Seancy Dixon	25	Head	—	Alabama
3	Mosie Dixon	25	Wife	—	Louisiana
4	Rosie Dixon	54	Mother	—	Alabama
5	Frances Washington	36	Sister	Maid	Alabama
6	John Williams	31	Brother-in-law	40	Alabama
7	Edna Williams	22	Sister	Maid	Alabama
8	Rosa M Williams	3	Niece	—	Illinois
9	Helen Washington	21	Niece	—	Alabama
10	Charles Smith	51	Head	—	Illinois
11	Georgie Smith	40	Sister	Checker	Illinois
12	Rachel Smith	37	Sister	32	Illinois
13	Rosa B Williams	54	Head	Laundress	Mississippi
14	Eunice L Coster	22	Daughter	—	Illinois
15	Sonia Coster	3	Grandchild	—	Illinois
16	Evelyn Coster	2	Grandchild	—	Illinois
17	Rina Coster	1	Grandchild	—	Illinois
18	Jerry Williams THIS PERSON	21	Son	Porter	Illinois
19	Noah Freeman	18	Daughter	—	Illinois
20	Horace Freeman	25	Son-in-law	30	Illinois
21	Ronald Freeman	1	Grandson	—	Illinois
22	Anthony Ives	65	Head	Laborer	Italy
23	Agnes Ives	52	Wife	—	Italy
24	Mary Ives	23	Daughter	Inspector	Illinois
25	Nick Ives	21	Son	Assembler	Illinois
26	Joseph Scalia	36	Head	Food Corner	Italy
27	Carmela Scalia	30	Wife	—	Illinois
28	Anthony Scalia	6	Son	—	Illinois
29	Nathaniel Scalia	5	Son	—	Illinois
30	Joseph Scalia	1	Son	—	Illinois
31	Janisuna Villion	49	Head	Coal Shoveler	Arkansas
32	Cornelia Villion	46	Wife	—	Arkansas
33	Castis Young	39	Head	Mail Clerk	Mississippi
34	Lela Young	21	Sister	—	Mississippi
35	William Jasper	33	Head	34	Canada
36	Elizabeth Jasper	26	Wife	—	Sweden
37	Anton Kalinger	50	Head	Butcher	Czechoslovakia
38	Julia Kalinger	49	Wife	—	Czechoslovakia
39	Mildred Kalinger	24	Daughter	—	Illinois
40	Anthony Kalinger	13	Son	—	Illinois

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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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