Lillie Nelson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Lillie Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Hanna — first a daughter (b.~1885), then head of a 3-person household.

Age 55 b. ~1885 Female Daughter Born: Illinois Single

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Nelson
Given Name	Lillie
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	55
Marital Status	Single
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	~1885

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 Lillie	Age	Birth yr
Lillie Nelson	Daughter	—	55	~1885
John Nelson	Head	—	85	~1855
Hanna Nelson	Spouse	—	83	~1857

Census Appearances

1920

Cook, Illinois

Spouse, age 36

Cook, Illinois · implied b. ~1884 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Lillie
Relationship to Head	wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Cook, Illinois

Spouse, age 47

Cook, Illinois · implied b. ~1883 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Lillie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	22
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

Daughter, age 55

Cook-County, Illinois · implied b. ~1885 — 3 household members

Surname	Nelson
Given Name	Lillie
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	55
Marital Status	Single
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

Model Tree available

Our Model Tree links Lillie Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Nelson (~0.92 confidence) and mother Hanna Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Nelson

b. ~1855

Source father

● Household · direct · ~0.92

Mother

Hanna Nelson

b. ~1857

Source mother

● Household · direct · ~0.92

This person

Anchor record

Lillie Nelson

Daughter · 1940 · age 55 · b. ~1885 · 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

39 people indexed on this census page (nara:1940:m-t0627-01015-00950)

Line	Name	Age	Relation	Occupation	Birthplace
41	James Mcnally	33	Son	Manager	Illinois
42	Bertha Westfall	60	Head	—	Illinois
43	Eugene Dressler	45	Head	Instructor	Illinois
44	Hazel Dressler	43	Wife	—	Illinois
45	Robert Dressler	18	Son	—	Illinois
46	Mary J. Dressler	14	Daughter	—	Illinois
47	Maude Dressler	60	Mother	—	Massachusetts
48	Bertha Hards	83	Head	—	Norway
49	Emily Kronberg	80	Lodger	—	Illinois
50	Henry Obermann	70	Head	—	Illinois
51	Caroline Hedberg	64	Servant	Servant	Sweden
52	Clarence Aldrich	67	Head	Manager	Massachusetts
53	Lillian Aldrich	67	Wife	—	Massachusetts
54	Walland Thomas	34	Head	Attorney	Illinois
55	Irene Thomas	36	Wife	File Clerk	Illinois
56	Tresa Gregori	82	Mother	—	Pennsylvania
57	Otto W. Klawer	63	Head	—	Illinois
58	Annette Klawer	60	Wife	—	Illinois
59	Harriett Ward	28	Daughter	—	Illinois
60	Emerald Casey	35	Lodger	Stenographer	Illinois
61	Maria Schultze	55	Servant	Servant	Germany
62	Alfred M. Luce	70	Head	—	Ohio
63	Effie E. Luce	69	Wife	—	Illinois
64	Melva Knipschild	45	Daughter	—	Illinois
65	Howard Knipschild	47	Son-in-law	Salesman	Illinois
66	John Weitlauf	40	Head	Lawyer	Illinois
67	Mabel Weitlauf	43	Wife	—	Missouri
68	John Jr. Weitlauf	7	Son	—	Illinois
69	James Weitlauf	5	Son	—	Illinois
71	Frank Davidson	64	Head	Medical Doctor	Illinois
72	Nina B. Davidson	56	Wife	—	Canada
73	Stewart Davidson	27	Son	Salesman	Illinois
74	Edward C. Van Duzer	59	Head	Attorney	Illinois
75	Anna Van Duzer	50	Wife	—	Illinois
76	Jack Van Duzer	23	Son	—	Illinois
77	Leonore Van Duzer	15	Daughter	—	Illinois
78	John Nelson	85	Head	—	Sweden
79	Hanna Nelson	83	Wife	—	Illinois
80	Lillie Nelson THIS PERSON	55	Daughter	—	Illinois

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Pedigree Summary

Lillie

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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