Margaret Welch — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Madison-County, Illinois

Our Model Tree links this Margaret Welch across the 1920, 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 4-person household.

Age 48 b. ~1892 Female Spouse Born: Pennsylvania Married

1940 Census Record Details

Census Year	1940
Location	Madison-County, Illinois
Surname	Welch
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Edwardsville City
1935 Residence (County)	Madison
Additional Details
Class of Worker	0
Highest Grade	H-4
1935 Residence	Same house
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania
Township / Ward	Edwardsville City
Est. Birth Year	~1892

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.

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

Name	Relation to head	Relative to Margaret	Age	Birth yr
Jack Welch	Son	—	17	~1923
Leonard Welch	Head	—	52	~1888
Marylee Welch	Daughter	—	15	~1925
Margaret Welch	Spouse	—	48	~1892

Census Appearances

1920

Madison, Illinois

Spouse, age 27

Madison, Illinois · implied b. ~1893 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Pennsylvania
Father's Birthplace	England
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1930

Madison, Illinois

Spouse, age 38

Madison, Illinois · implied b. ~1892 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Pennsylvania
Age at First Marriage	27
Father's Birthplace	England
Mother's Birthplace	Scotland
Occupation	none
Can Read/Write	Yes
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

1940

Madison-County, Illinois

Spouse, age 48

Madison-County, Illinois · implied b. ~1892 — 4 household members

Surname	Welch
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Pennsylvania
1935 Residence (City)	Edwardsville City
1935 Residence (County)	Madison
Class of Worker	0
Highest Grade	H-4
1935 Residence	Same house
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	pennsylvania

Model Tree

Linked across censuses

Our Model Tree links Margaret 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

Margaret Welch

Spouse · 1940 · age 48 · b. ~1892 · 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 — Madison-County, Illinois Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-00849-00537)

Line	Name	Age	Relation	Occupation	Birthplace
1	Wilbur L. Huermann	26	Head	Lumber Yard Laborer	Illinois
2	Florence Huermann	27	Wife	Office Secretary	Illinois
3	Katherine Herzog	55	Mother-in-law	—	Illinois
5	Leonard E. Welch	52	Head	Laborer	Illinois
6	Margaret Welch THIS PERSON	48	Wife	—	Pennsylvania
7	Jack Welch	17	Son	—	Illinois
8	Marylee Welch	15	Daughter	—	Illinois
9	John H. West	29	Head	Refinery Accountant	Oklahoma
10	Mary West	29	Wife	—	Kansas
11	Jerry West	1	Son	—	Kansas
12	Edward L. Burroughs	64	Head	Private Work	Maryland
13	Charlotte Burroughs	61	Wife	—	Missouri
14	Winifred Burroughs	26	Daughter	Librarian	Missouri
15	Mary A. Ertz	58	Head	—	Illinois
16	Charles Ertz	33	Son	Bricklayer Helper	Illinois
17	Maurice Ertz	30	Son	Moulder	Illinois
18	Fred Squires	78	Head	—	Illinois
19	Richard C. Milham	55	Head	Freight Agent	Illinois
20	Johanna Milham	53	Wife	—	Illinois
21	Mary Wimmers	81	Mother-in-law	—	Illinois
22	Earl H. Bailey	42	Head	Nickel Puller	Illinois
23	Cora Bailey	40	Wife	—	Illinois
25	Thomas J. Mcclavin	32	Head	Clerical	Illinois
26	Cora Mcclavin	28	Wife	—	Illinois
27	Geraldine Mcclavin	7	Daughter	—	Illinois
28	Kenneth Mcclavin	5	Son	—	Illinois
29	Lillian Loach	70	Head	—	Illinois
30	Michael E. Wellman	35	Head	Assistant Painter	Illinois
31	Florence Wellman	31	Wife	Salesclerk	Illinois
32	Lena Runviane	67	Aunt	—	Illinois
33	Lloyd B. Herder	30	Head	Worker Leather	Illinois
34	Della Herder	33	Wife	Abstract Clerk	Illinois
35	Anna Simms	63	Mother-in-law	—	Illinois
36	August E. Haydon	53	Head	County Road Building	Illinois
37	Pearl Haydon	41	Wife	—	Illinois
38	Ora Haydon	24	Daughter	Office Work	Illinois
39	Clarence A. Haydon	22	Son	—	Illinois
40	Costas C. Cronis	50	Head	Salesman	Greece

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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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