William Nichols — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Trempealeau-County, Wisconsin

Our Model Tree links this William Nichols across the 1920, 1930 and 1940 US Censuses in Trempealeau-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 5-person household.

Age 64 b. ~1876 Male Head Born: Wisconsin Married

1940 Census Record Details

Census Year	1940
Location	Trempealeau-County, Wisconsin
Surname	Nichols
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Wisconsin
1935 Residence (City)	Caledonia town
1935 Residence (County)	Trempealeau
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	65
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin
Occupation	Farmer
Township / Ward	Caledonia Town
Est. Birth Year	~1876

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
William Nichols	Head	—	64	~1876
Edna Wagner	Other	—	21	~1919
Ernest Wagner	Other	—	24	~1916
Carol Nichols	Son	—	40	~1900
Elizabeth Nichols	Spouse	—	65	~1875

Census Appearances

1920

Trempealeau, Wisconsin

Head, age 49

Trempealeau, Wisconsin · implied b. ~1871 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nicholls
Given Name	Will
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Wisconsin
Father's Birthplace	England
Mother's Birthplace	Vermont
Occupation	Farmer
Industry	General farm
Class of Worker	Emp
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1930

Trempealeau, Wisconsin

Head, age 59

Trempealeau, Wisconsin · implied b. ~1871 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nicholls
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Wisconsin
Age at First Marriage	23
Father's Birthplace	England
Mother's Birthplace	Vermont
Occupation	Farmer
Industry	General Farm
Class of Worker	E
Can Read/Write	Yes
Home Owned/Rented	O
Radio Set	R
Veteran	No
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1940

Trempealeau-County, Wisconsin

Head, age 64

Trempealeau-County, Wisconsin · implied b. ~1876 — 5 household members

Surname	Nichols
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Wisconsin
1935 Residence (City)	Caledonia town
1935 Residence (County)	Trempealeau
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	65
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

Model Tree

Linked across censuses

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

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This person

Anchor record

William Nichols

Head · 1940 · age 64 · b. ~1876 · Wisconsin

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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 — Trempealeau-County, Wisconsin Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04529-00197)

Line	Name	Age	Relation	Occupation	Birthplace
1	John Thornton	64	Head	Road Maintainer	Wisconsin
2	Minnie Thornton	58	Wife	—	Michigan
3	Wayne Thornton	23	Son	—	Wisconsin
4	Ruby Thornton	20	Daughter	—	Wisconsin
5	Alice Thornton	13	Daughter	—	Wisconsin
6	Andrew Koseck	30	Head	Farmer	Wisconsin
7	Gladis Koseck	23	Wife	—	Wisconsin
8	Gary Koseck	2	Son	—	California
9	James Koseck	1	Son	—	California
10	Ernest Gibbs	62	Head	Farmer	Wisconsin
11	Ida Gibbs	60	Wife	—	Michigan
12	Harry Gibbs	38	Son	—	Wisconsin
13	William Nichols THIS PERSON	64	Head	Farmer	Wisconsin
14	Elizabeth Nichols	65	Wife	—	Wisconsin
15	Carol Nichols	40	Son	—	Wisconsin
16	Edna Wagner	21	Hired Girl	House Keeper	Minnesota
17	Ernest Wagner	24	Hired Hand	—	Minnesota
18	Albert Tanner	32	Head	Farm Help	Wisconsin
19	Margaret Tanner	28	Wife	—	Wisconsin
20	Lila Tanner	7	Daughter	—	Wisconsin
21	Sherman Tanner	5	Son	—	Wisconsin
22	William Towner	65	Head	Farmer	Wisconsin
23	Lucinda Towner	65	Wife	—	Maine
24	William Ryder	58	Head	Farmer	England
25	Mamie Ryder	55	Wife	—	Wisconsin
26	Robert Ryder	17	Son	Farm Help	Wisconsin
27	Ruth Ann Ryder	9	Daughter	—	Wisconsin
28	Harold Ryder	31	Head	Farm Help	Wisconsin
29	Bernice Ryder	25	Wife	—	Wisconsin
30	Joyce Ryder	11	Daughter	—	Wisconsin
31	Richard Ryder	7	Son	—	Wisconsin
32	Hugh Mcdonah	44	Head	Farmer	Wisconsin
33	Alice Mcdonah	37	Wife	—	Wisconsin
34	Thomas Mcdonah	14	Son	—	Wisconsin
35	Jeanette Mcdonah	11	Daughter	—	Wisconsin
36	Marguritte Mcdonah	10	Daughter	—	Wisconsin
37	John Bartle	68	Lodger	—	Wisconsin
38	Elda Mcdonah	53	Head	Farmer	Wisconsin
39	Leila Mcdonah	46	Wife	—	Wisconsin
40	Gerald Mcdonah	11	Son	—	Wisconsin

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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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