Agnes Brown — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Agnes Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 2-person household.

Age 46 b. ~1894 Female Head Born: Scotland Widowed

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Brown
Given Name	Agnes
Relationship to Head	Head
Sex	F
Color / Race	White
Age	46
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Chicago city
1935 Residence (County)	Cook
Naturalization Status	First papers filed
Additional Details
Occupation	Nurse
Industry	Hospital
Class of Worker	PW
Hours Worked	42
Income (1939)	36
Highest Grade	No 12
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Occupation	Nurse
Township / Ward	Chicago City
Est. Birth Year	~1894

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.

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

Name	Relation to head	Relative to Agnes	Age	Birth yr
Agnes Brown	Head	—	46	~1894
Arthur Brown	Son	—	23	~1917

Census Appearances

1920

Cook, Illinois

Other, age 24

Cook, Illinois · implied b. ~1896 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Agnes
Relationship to Head	Roomer
Sex	F
Color / Race	White
Age	24
Marital Status	Single
Birthplace	Scotland
Year of Immigration	1912
Naturalization Status	Alien
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Stenographer
Industry	Wholesale Clothing
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Cook, Illinois

Other, age 35

Cook, Illinois · implied b. ~1895 — 35 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Agnes
Relationship to Head	housekeeper
Sex	F
Color / Race	White
Age	35
Marital Status	Widowed
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1914
Age at First Marriage	20
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	housekeeper
Industry	Hospital
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Veteran	No
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Cook-County, Illinois

Head, age 46

Cook-County, Illinois · implied b. ~1894 — 2 household members

Surname	Brown
Given Name	Agnes
Relationship to Head	Head
Sex	F
Color / Race	White
Age	46
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Chicago city
1935 Residence (County)	Cook
Naturalization Status	First papers filed
Occupation	Nurse
Industry	Hospital
Class of Worker	PW
Hours Worked	42
Income (1939)	36
Highest Grade	No 12
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

Agnes Brown

Head · 1940 · age 46 · b. ~1894 · 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-t0627-01021-00457)

Line	Name	Age	Relation	Occupation	Birthplace
41	Archie Smith	32	Head	Salesman	Iowa
42	Avis Smith	36	Wife	—	Illinois
43	Elizabeth Petty	39	Head	Saleslady	Missouri
44	Mable Fluke	36	Roommate	Saleslady	Minnesota
45	John Roche	29	Head	Salesman	Illinois
46	Florence Roche	28	Wife	Secretary	Illinois
47	Doris Morrison	34	Head	Stenographer	North Dakota
48	Anne Pigott	60	Head	Secretary	Illinois
49	James Irwin	39	Head	Tax Title Buyer	Illinois
50	Joseph Gould	36	Head	Accountant	Wisconsin
51	Louis Gould	72	Father	—	Germany
52	Sarah Gould	72	Mother	—	Germany
53	Hettie Gould	38	Sister	Clerk & Filing	Wisconsin
54	Flora Cook	35	Head	Broker Insurance	Wisconsin
55	John Smith	25	Head	Accountant	Missouri
56	Edward Soehlbrandt	45	Head	Foreman	Illinois
57	Gertrude Soehlbrandt	43	Wife	—	Michigan
58	Thomas Roland	40	Head	Engineer	Illinois
59	Jean Roland	40	Wife	Telephone Operator	Illinois
60	Ray Moore	35	Head	Research Engineer	West Virginia
61	Ray Hensley	35	Roommate	Engineer	Ohio
62	Dr. Rose Lejohn	50	Head	Specialist	Russia
63	Louise Lejohn	14	Daughter	—	Washington
64	Edwin Thierry	25	Head	Salesman	Illinois
65	Ellen Thierry	25	Wife	Secretary	Ohio
66	Alfred Kullen	37	Head	Engineer	Illinois
67	Dorothy Kullen	35	Wife	Saleslady	Illinois
68	B. H. Steek	28	Head	Dentist	Iowa
69	Bertha Steek	27	Wife	—	New York
70	Edna Woods	25	Head	Waitress	Illinois
71	John Daly	52	Head	Stenographer	Wisconsin
72	Alice Daly	52	Wife	Lawyer	Iowa
73	J. B. Garrett	29	Head	Salesman	Pennsylvania
74	Ray Pangrave	42	Head	Jeweler	Minnesota
75	Hazel Pangrave	39	Wife	Secretary	Minnesota
76	Agnes Brown THIS PERSON	46	Head	Nurse	Scotland
77	Arthur Brown	23	Son	General Clerk	Illinois
78	C. R. Tennyson	37	Head	Salesman	Michigan
79	Marguerite Tennyson	30	Wife	—	Indiana
80	Lucien Yeomans	55	Head	Engineer	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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