Jennie Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Jennie Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.

Age 53 b. ~1887 Female Spouse Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Smith
Given Name	Jennie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Additional Details
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Chicago City
Est. Birth Year	~1887

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.

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

Name	Relation to head	Relative to Jennie	Age	Birth yr
Pearl Smith	Daughter	—	18	~1922
George Smith	Head	—	50	~1890
Jennie Smith	Spouse	—	53	~1887

Census Appearances

1920

Cook, Illinois

Spouse, age 34

Cook, Illinois · implied b. ~1886 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Jennie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Illinois
Mother's Birthplace	Pennsylvania
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Cook, Illinois

Other, age 44

Cook, Illinois · implied b. ~1886 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Jennie E.
Relationship to Head	Sister
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Spouse, age 53

Cook-County, Illinois · implied b. ~1887 — 3 household members

Surname	Smith
Given Name	Jennie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links Jennie Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Jennie Smith

Spouse · 1940 · age 53 · b. ~1887 · Illinois

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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 — Cook-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00987-00379)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary Koznick	82	Head	—	Austria
2	Monica Koznick	59	Daughter	—	Illinois
3	Charles Koznick	52	Son	Artist	Illinois
4	Andrew Koznick	41	Son	Maintenance Man	Illinois
5	John R. Vollman	58	Head	Watchman	Germany
6	Clara Vollman	54	Wife	Kitchen Helper	Illinois
7	Alleyne Lertzel	52	Head	Salesman	Wisconsin
8	Elmyra Lertzel	45	Wife	—	Illinois
9	Paul Lertzel	18	Son	—	Illinois
10	Pauline Lertzel	18	Daughter	Secretary	Illinois
11	Arthur Lertzel	16	Son	—	Illinois
12	Kathrina Rothacker	79	Mother-in-law	—	Germany
13	George H. Smith	50	Head	Truck Driver	Illinois
14	Jennie Smith THIS PERSON	53	Wife	—	Illinois
15	Pearl Smith	18	Daughter	Assembler	Illinois
16	Mary Shuyler	61	Head	—	Pennsylvania
17	Michael Parchuta	26	Head	Shipping Clerk	Russia
18	Bernice Parchuta	24	Wife	—	Illinois
19	Joyce Parchuta	1	Daughter	—	Illinois
20	Melvin Kennedy	27	Brother-in-law	Stenographer	Illinois
21	Paul Huebner	60	Head	Woodworker	Germany
22	Emma Huebner	58	Wife	—	Illinois
23	Charles Bourgait	41	Head	Insurance Agent	Illinois
24	Evelyn Bourgait	32	Wife	—	Iowa
25	Charles Bourgait	11	Son	—	Iowa
26	Michael Thekey	65	Father	—	Iowa
27	Fred Johnson	55	Head	Cabinet Maker	Norway
28	Matilda Johnson	53	Wife	—	Norway
29	Leif Johnson	28	Son	Cabinet Maker	Illinois
30	Florence Johnson	26	Daughter	Housemaid	Illinois
31	Eleanore Johnson	18	Daughter	Doctors Receptionist	Illinois
32	Jean Johnson	10	Daughter	—	Illinois
33	Charles Ferrera	49	Head	Plumber	Italy
34	Stephanie Ferrera	44	Wife	Buttonhole Maker	Italy
35	Mary Ferrera	16	Daughter	—	Illinois
36	Leo Ferrera	12	Son	—	Illinois
37	Anna Ferrera	10	Daughter	—	Illinois
38	John Ferrera	8	Son	—	Illinois
39	Richard Ferrera	5	Son	—	Illinois
40	Walder Christiansen	36	Head	Accountant	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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