Agnes Peterson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Agnes Peterson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 3-person household.

Age 47 b. ~1893 Female Spouse Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Peterson
Given Name	Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago
1935 Residence (County)	Cook
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Chicago
Est. Birth Year	~1893

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 Agnes	Age	Birth yr
Robert Peterson	Son	—	23	~1917
Agnes Peterson	Spouse	—	47	~1893
Henning Peterson	Head	—	47	~1893

Census Appearances

1920

Cook, Illinois

Spouse, age 27

Cook, Illinois · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Cook, Illinois

Spouse, age 37

Cook, Illinois · implied b. ~1893 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Petersen
Given Name	Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	20
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Spouse, age 47

Cook-County, Illinois · implied b. ~1893 — 3 household members

Surname	Peterson
Given Name	Agnes
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago
1935 Residence (County)	Cook
Income (1939)	0
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 Agnes Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

Show:

This person

Anchor record

Agnes Peterson

Spouse · 1940 · age 47 · b. ~1893 · Illinois

★ You are viewing this record

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-t0627-00979-00007)

Line	Name	Age	Relation	Occupation	Birthplace
1	N. J. Hallinan	84	Head	—	New Jersey
2	Margaret Garry	55	Sister-in-law	—	Ohio
3	George Rued	32	Head	Driver	Illinois
4	Olive Rued	33	Wife	Assembler	Illinois
5	Georgia Lee Rued	1	Daughter	—	Illinois
6	Oscar Hoffman	42	Head	Watchman	Wisconsin
7	Emma Hoffman	54	Wife	—	Indiana
8	Mae Summers	54	Lodger	—	Illinois
9	Sam Connelly	55	Head	Driver	Illinois
10	Marie Connelly	60	Wife	—	Illinois
11	Harry Boon	64	Head	Launderer	California
12	Sylvester Wilson	45	Head	Mechanic	Colorado
13	Alice Wilson	38	Wife	—	Colorado
14	George Wilson	26	Son	Mechanic	Wyoming
15	Oscar Sabae	41	Lodger	Paper Distributor	Iowa
16	John Brennan	84	Head	—	Wisconsin
17	Jennie Brennan	70	Sister	—	Michigan
18	Henning Peterson	47	Head	Driver	Illinois
19	Agnes Peterson THIS PERSON	47	Wife	—	Illinois
20	Robert Peterson	23	Son	Taxi Driver	Illinois
21	Henry Decker	43	Head	—	Wisconsin
22	John Decker	50	Brother	Decorator	Wisconsin
23	Leona Wagner	25	Cousin	Stenographer	Ohio
24	Alice Wagner	6	Daughter	—	Ohio
25	Albert Rebalake	42	Lodger	Mechanic	Illinois
26	Anthony Manfredo	58	Head	Barber	Pennsylvania
27	Mary Manfredo	52	Wife	—	Pennsylvania
28	Lee Manfredo	22	Son	Laborer	Pennsylvania
29	Arnold Ihme	42	Head	Fireman	Wisconsin
30	Marvin Ihme	32	Brother	Operator	No. Dakota
31	George Ihme	39	Brother	Punch Press Operator	No. Dakota
32	Mary Ihme	65	Mother	—	Wisconsin
33	John Lamond	64	Head	Superintendent	Scotland
34	Henrietta Lamond	66	Wife	—	Missouri
35	Donald Lamond	32	Son	Clerk	Illinois
36	George Vonnenberg	27	Head	Chauffeur	Illinois
37	Julia Vonnenberg	24	Wife	—	Illinois
38	Rosemary Vonnenberg	18	Sister	Housekeeper	Illinois
39	Thomas Jarmy	25	Head	Polisher + Buffer	Illinois
40	Ida Jarmy	27	Wife	—	Illinois

Search for Agnes Peterson

All Agnes Peterson Census Records Discover Peterson Family Tree

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)

Report inaccurate data