John Wolf — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Eau-Claire-County, Wisconsin

Our Model Tree links this John Wolf across the 1920, 1930 and 1940 US Censuses in Eau-Claire-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Lucy — first a son (b.~1916), then head of a 2-person household.

Age 24 b. ~1916 Male Son Born: Wisconsin Single

1940 Census Record Details

Census Year	1940
Location	Eau-Claire-County, Wisconsin
Surname	Wolf
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	24
Marital Status	Single
Birthplace	Wisconsin
1935 Residence (City)	Eau Claire City
1935 Residence (County)	Eau Claire
Additional Details
Occupation	Rubber Worker
Industry	Rubber Company
Class of Worker	PW
Hours Worked	24
Income (1939)	496
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin
Occupation	Rubber Worker
Township / Ward	Eau Claire City
Est. Birth Year	~1916

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 John	Age	Birth yr
Lucy Wolf	Head	—	55	~1885
John Wolf	Son	—	24	~1916

Census Appearances

1920

Eau Claire, …

Other, age 4

Eau Claire, Wisconsin · implied b. ~1916 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wolf
Given Name	John V.
Relationship to Head	Grand son
Sex	M
Color / Race	White
Age	4
Marital Status	Single
Birthplace	Wisconsin
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1930

Eau Claire, …

Son, age 14

Eau Claire, Wisconsin · implied b. ~1916 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wolf
Given Name	John T
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	Wisconsin
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Can Read/Write	Yes
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1940

Eau-Claire-County, Wisconsin

Son, age 24

Eau-Claire-County, Wisconsin · implied b. ~1916 — 2 household members

Surname	Wolf
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	24
Marital Status	Single
Birthplace	Wisconsin
1935 Residence (City)	Eau Claire City
1935 Residence (County)	Eau Claire
Occupation	Rubber Worker
Industry	Rubber Company
Class of Worker	PW
Hours Worked	24
Income (1939)	496
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Lucy Wolf

b. ~1885

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Wolf

Son · 1940 · age 24 · b. ~1916 · Wisconsin

★ 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 — Eau-Claire-County, Wisconsin Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04477-00625)

Line	Name	Age	Relation	Occupation	Birthplace
1	Francis Whicher	81	Head	Janitor	Minnesota
2	Annie Whicher	72	Wife	—	Norway
3	Morris E Johnson	50	Head	Wood Worker	Wisconsin
4	Gertrude Johnson	50	Wife	—	Wisconsin
5	Lucy Wolf	55	Head	—	Wisconsin
6	John Wolf THIS PERSON	24	Son	Rubber Worker	Wisconsin
7	Charles Krell	56	Head	—	Wisconsin
8	Cornelia Krell	55	Wife	—	Wisconsin
9	Gayle Krell	33	Daughter	Bookkeeper	Wisconsin
10	Jeanette B Anderson	75	Head	—	Norway
11	Jane Anderson	31	Daughter	Secretary	Wisconsin
12	Hayley Freimuth	37	Roomer	Teacher	Wisconsin
13	Desmond Vincent	24	Head	Clerk	Wisconsin
14	Marian Vincent	23	Wife	—	Michigan
15	Hazel Mcgowan	49	Head	Teacher	Wisconsin
16	Ida Mjelde	72	Head	—	Wisconsin
17	Fuel Mjelde	43	Son	—	Wisconsin
18	Ira Mjelde	35	Son	Insurance Agent	Wisconsin
19	Arthur M Anderson	49	Head	Electrician	N. Dakota
20	Edith B Anderson	34	Wife	—	Wisconsin
21	Charles A Anderson	9	Son	—	Wisconsin
22	Richard L Anderson	6	Son	—	Wisconsin
23	Wilhelmina Evans	62	Head	—	New York
24	Elda Evans	25	Lodger	Teacher	Wisconsin
25	Leonard Ganon	44	Head	Superintendent Construction	Wisconsin
26	Lila Ganon	36	Wife	—	Wisconsin
27	Joanne Ganon	4	Daughter	—	Wisconsin
28	James H Kelley	66	Head	—	Wisconsin
29	Clara Kelley	63	Wife	—	Wisconsin
30	Delos J Kelley	30	Son	Accountant	Wisconsin
31	Margaret Fitzpatrick	51	Lodger	Teacher	Wisconsin
32	Andrew T Sutherland	84	Father	Lawyer	Wisconsin
33	Laura E Sutherland	51	Head	Teacher	Wisconsin
34	George C Curtiss	42	Head	—	Pennsylvania
35	Ella Curtiss	41	Sister	—	Wisconsin
36	Edward W Wear	29	Head	Baker	Wisconsin
37	Lucille Wear	29	Wife	—	Wisconsin
38	Marlene Wear	6	Daughter	—	Wisconsin
39	David Wear	0	Son	—	Wisconsin
40	Anton Anderson	35	Head	Rubber Worker	Wisconsin

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Pedigree Summary

John

Gen 1 · 1 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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