Nellie Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Macon-County, Illinois

Our Model Tree links this Nellie Johnson across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 3-person household.

Age 70 b. ~1870 Female Spouse Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Macon-County, Illinois
Surname	Johnson
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Decatur
1935 Residence (County)	Macon
Additional Details
Highest Grade	No 6
1935 Residence	Same House
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Decatur
Est. Birth Year	~1870

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 Nellie	Age	Birth yr
James Johnson	Head	—	71	~1869
William Johnson	Son	—	33	~1907
Nellie Johnson	Spouse	—	70	~1870

Census Appearances

1920

Macon, Illinois

Spouse, age 50

Macon, Illinois · implied b. ~1870 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Irish
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Macon, Illinois

Other, age 61

Macon, Illinois · implied b. ~1869 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Nellie
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	23
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Macon-County, Illinois

Spouse, age 70

Macon-County, Illinois · implied b. ~1870 — 3 household members

Surname	Johnson
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Decatur
1935 Residence (County)	Macon
Highest Grade	No 6
1935 Residence	Same House
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

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

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This person

Anchor record

Nellie Johnson

Spouse · 1940 · age 70 · b. ~1870 · 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 — Macon-County, Illinois Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-00843-00489)

Line	Name	Age	Relation	Occupation	Birthplace
41	Katherine Schroeder	53	Wife	Housework	Illinois
42	Oliver M. Balsley	27	Lodger	Carpenter	Montana
43	Florence A. Harris	57	Lodger	Housewife	Illinois
44	Mary E. Bruns	57	Wife	Housewife	Illinois
47	William Burns	58	Head	Foreman	Illinois
48	Mamie Burns	53	Wife	Housewife	Illinois
49	Florence B. Smith	35	Daughter	Wrapper	Illinois
50	Mary F. Smith	7	Daughter	—	Illinois
51	John J. Kelly	47	Brother	Trucker	Illinois
53	James V. Wells	71	Head	Blacksmith Helper	Illinois
54	Lola A. Wells	63	Wife	Housewife	Illinois
55	Ruby B. Wells	42	Daughter	Drill Press Operator	Illinois
56	Benjamin M. Whitsett	64	Head	Watchman	Illinois
57	Carrie S. Whitsett	64	Wife	Housewife	Denmark
58	Verna L. Shryman	27	Wife	Stenographer	Illinois
59	Donna M. Shryman	2	Daughter	—	Illinois
60	Kate L. Brown	78	Head	Housewife	Illinois
61	Lathola Brown	50	Daughter	Housework	Illinois
62	James R. Snyder	55	Head	Laborer	Illinois
63	Augusta R. Snyder	53	Wife	Housekeeper	Illinois
64	Margaret L. Snyder	31	Daughter	Cashier	Illinois
65	Mary Ellen Snyder	15	Daughter	—	Illinois
66	Samuel B. Ruddock	47	Head	Switchman	Missouri
67	Lucille Ruddock	46	Wife	Housewife	Illinois
68	Vivian Greene	73	Mother-in-law	Housework	Illinois
69	Luther N. Morrison	57	Head	Justice Of Peace	Indiana
70	Elizabeth Morrison	54	Wife	Housewife	Illinois
71	David E. Working	58	Brother-in-law	—	Illinois
72	James H. Johnson	71	Head	—	Iowa
73	Nellie Johnson THIS PERSON	70	Wife	—	Illinois
74	William L. Johnson	33	Son	Roofer	Illinois
75	Joseph L. Kirbach	69	Head	Janitor	Illinois
76	Martha S. Kirbach	70	Wife	—	Illinois
77	Catherine Co. Weber	35	Daughter	Press Operator	Illinois
78	Martin Bunker	13	Son	—	Illinois
79	Jack D. Weber	4	Son	—	Illinois
80	James D. Cook	44	Head	Auto Dealer	Alabama

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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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