Robert Frank — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Robert Frank across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.

Age 15 b. ~1925 Male Son Born: Illinois Single

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Frank
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Additional Details
Highest Grade	H-1
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Chicago City
Est. Birth Year	~1925

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.

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

Name	Relation to head	Relative to Robert	Age	Birth yr
Hattie Frank	Spouse	—	44	~1896
Earl Frank	Head	—	54	~1886
Eugene Frank	Son	—	19	~1921
Theresa Snyder	Spouse	—	57	~1883
Nellie Frank	Daughter	—	22	~1918
Robert Frank	Son	—	15	~1925

Census Appearances

1930

Cook, Illinois

Son, age 4

Cook, Illinois · implied b. ~1926 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frank
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	4
Marital Status	Single
Birthplace	Illinois
Age at First Marriage	8864
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Can Read/Write	Yes
Veteran	No
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Son, age 15

Cook-County, Illinois · implied b. ~1925 — 6 household members

Surname	Frank
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Highest Grade	H-1
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

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

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This person

Anchor record

Robert Frank

Son · 1940 · age 15 · b. ~1925 · Illinois

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Sibling

Nellie Frank

Sibling · 1940 · age 22

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Eugene Frank

Sibling · 1940 · age 19

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-t0627-00940-00122)

Line	Name	Age	Relation	Occupation	Birthplace
1	Theodore Vestman	42	Head	Truck Driver	Illinois
2	Nilla Vestman	44	Wife	General Office	Illinois
3	Carl Reynolds	40	Head	Sheet Metal	Ohio
4	Wanda Reynolds	36	Wife	Salesman	Ohio
5	Evelyn Reynolds	16	Daughter	—	Ohio
6	Emily Reynolds	14	Daughter	—	Ohio
7	Fay Benshop	38	Sister	General	Indiana
8	John Benshop	15	Son	—	Illinois
9	Paul Baird	25	Lodger	—	Illinois
10	Annette Altloff	13	Daughter	—	Illinois
11	Kenneth Altloff	9	Son	—	Illinois
12	Thomas Altloff	7	Son	—	Illinois
13	Catherine Mccormack	47	Head	—	Scotland
14	Andrew Mccormack	50	Head	Clerk	Scotland
15	Andrew Mccormack	22	Son	General Office	Scotland
16	Robert Mccormack	18	Son	Office Boy	Scotland
17	Edna Mccormack	14	Daughter	—	Illinois
18	Marie Tamis	51	Wife	—	Illinois
19	Joseph Tamis	55	Head	Salesman	Holland
20	Joseph Tamis	27	Son	—	Illinois
21	Michael Draper	51	Head	Cabinet Maker	Indiana
22	Hattie Draper	49	Wife	—	Indiana
23	Frank Jr. Draper	24	Son	Laborer	Indiana
24	Earl Frank	54	Head	—	Indiana
25	Hattie Frank	44	Wife	—	Indiana
26	Nellie Frank	22	Daughter	Clerk	Indiana
27	Eugene Frank	19	Son	—	Illinois
28	Robert Frank THIS PERSON	15	Son	—	Illinois
29	Theresa Snyder	57	Wife	—	Germany
30	Joseph Mctaggart	64	Head	Watchman	Germany
31	Joseph Mctaggart	37	Son	Clerk	Illinois
32	Anna Mctaggart	34	Daughter	—	Illinois
33	Philip Mctaggart	9	Son	—	Illinois
34	Ellen Saggerson	85	Aunt	—	Illinois
35	Marie Mctaggart	7	Daughter	—	Illinois
36	Marjorie Eblein	24	Wife	Comptometer	Illinois
37	John Eblein	26	Head	Clerk	So. Dakota
38	Anne Vandenberg	30	Wife	—	Illinois
39	Thomas Vandenberg	44	Head	Paint-Decorator	Illinois
40	Thomas Vandenberg	17	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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