John Welch — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Winnebago-County, Illinois

Our Model Tree links this John Welch across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 5-person household.

Age 43 b. ~1897 Male Head Born: WISCONSIN Married

1940 Census Record Details

Census Year	1940
Location	Winnebago-County, Illinois
Surname	WELCH
Given Name	JOHN
Relationship to Head	HEAD
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	WISCONSIN
1935 Residence (City)	Rockford
1935 Residence (County)	Winnebago
Additional Details
Occupation	APPRENTICE PLAN DRAWER
Industry	REAL ESTATE OFFICE
Class of Worker	PW
Hours Worked	30
Income (1939)	1481
Highest Grade	No 4
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin
Occupation	Apprentice Plan Drawer
Township / Ward	Rockford
Est. Birth Year	~1897

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 John	Age	Birth yr
Phyllis Welch	Daughter	—	16	~1924
Arvilla Welch	Daughter	—	20	~1920
John Welch	Head	—	43	~1897
Laverne Welch	Son	—	10	~1930
Eva Welch	Spouse	—	43	~1897

Census Appearances

1920

Winnebago, Illinois

Head, age 23

Winnebago, Illinois · implied b. ~1897 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Wisconsin
Father's Birthplace	United States
Mother's Birthplace	United States
Occupation	Laborer
Industry	Phonograph Co.
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1930

Winnebago, Illinois

Head, age 33

Winnebago, Illinois · implied b. ~1897 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	John H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Wisconsin
Age at First Marriage	20
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Occupation	Laborer
Industry	Implement Factory
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	20
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1940

Winnebago-County, Illinois

Head, age 43

Winnebago-County, Illinois · implied b. ~1897 — 5 household members

Surname	WELCH
Given Name	JOHN
Relationship to Head	HEAD
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	WISCONSIN
1935 Residence (City)	Rockford
1935 Residence (County)	Winnebago
Occupation	APPRENTICE PLAN DRAWER
Industry	REAL ESTATE OFFICE
Class of Worker	PW
Hours Worked	30
Income (1939)	1481
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 John Welch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Welch

Head · 1940 · age 43 · b. ~1897 · 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 — Winnebago-County, Illinois Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-00914-00455)

Line	Name	Age	Relation	Occupation	Birthplace
41	Darrell Metheny	6	SON	—	ILLINOIS
42	Jonathon Metheny	79	FATHER	—	ILLINOIS
43	Dororean French	19	NEPHEW	—	ILLINOIS
44	John Welch THIS PERSON	43	HEAD	Apprentice Plan Drawer	WISCONSIN
45	Eva Welch	43	WIFE	Truck Driver	ILLINOIS
46	Arvilla Welch	20	DAUGHTER	—	ILLINOIS
47	Phyllis Welch	16	DAUGHTER	Clerk	ILLINOIS
48	Laverne Welch	10	SON	—	ILLINOIS
49	James Thomas	35	HEAD	Beauty Operator	MISSOURI
50	Susan Thomas	29	WIFE	—	MISSOURI
51	Carmeleta Thomas	16	DAUGHTER	Sales Girl	IOWA
52	James Thomas	14	SON	—	IOWA
53	Nancy Thomas	2	DAUGHTER	—	ILLINOIS
54	Rufus Thomas	85	FATHER	—	VIRGINIA
55	Alta Pearson	54	MOTHER-IN-LAW	—	MISSOURI
56	Gerald Pearson	21	BROTHER-IN-LAW	—	ILLINOIS
57	Oliver Faulkner	50	HEAD	Window Trimmer	ILLINOIS
58	Vera Faulkner	53	WIFE	Truck Driver	ILLINOIS
59	Earl Manrod	33	HEAD	Utility Man	ILLINOIS
60	Ethel Manrod	35	WIFE	—	IOWA
61	Richard Manrod	3	SON	—	ILLINOIS
62	Raymond Manrod	35	BROTHER	Laborer	ILLINOIS
63	Floyd Johnson	36	HEAD	Painter	ILLINOIS
64	Dorothy Johnson	32	WIFE	—	ILLINOIS
65	Wilton Johnson	13	SON	—	ILLINOIS
66	Gerald Johnson	7	SON	—	ILLINOIS
67	Robert Johnson	4	SON	—	ILLINOIS
68	Forrest Gardner	36	HEAD	Machinist	TEXAS
69	Verna Gardner	35	WIFE	—	ILLINOIS
70	Shirley Gardner	16	DAUGHTER	—	ILLINOIS
71	Thomas Gardner	12	SON	—	ILLINOIS
72	Robert Hadie	32	HEAD	Service Man	ILLINOIS
73	Elinor Hadie	34	WIFE	—	IOWA
74	James Lenvey	85	HEAD	—	ILLINOIS
75	Eliza Lenvey	79	WIFE	—	ILLINOIS
76	Archie Willis	62	HEAD	Blacksmith	ILLINOIS
77	Clara Willis	60	WIFE	—	ENGLAND
78	Elizabeth Boman	22	LODGER	Stenographer	MINNESOTA

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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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