Margaret Lewis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Clark-County, Ohio

Our Model Tree links this Margaret Lewis across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 7-person household.

Age 43 b. ~1897 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Clark-County, Ohio
Surname	Lewis
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	MAD RIVER TWP.
1935 Residence (County)	CLARK
Additional Details
Class of Worker	0
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Mad River Twp
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.

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

Name	Relation to head	Relative to Margaret	Age	Birth yr
Audrey Lewis	Daughter	—	13	~1927
Anna Lewis	Daughter	—	15	~1925
Chester Lewis	Head	—	46	~1894
Richard Lewis	Son	—	4	~1936
Robert Lewis	Son	—	6	~1934
Edward Lewis	Son	—	17	~1923
Margaret Lewis	Spouse	—	43	~1897

Census Appearances

1920

Clark, Ohio

Spouse, age 23

Clark, Ohio · implied b. ~1897 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Margaret A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Kansas
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Clark, Ohio

Spouse, age 33

Clark, Ohio · implied b. ~1897 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Margaret E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	18
Father's Birthplace	Ohio
Mother's Birthplace	Kansas
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Clark-County, Ohio

Spouse, age 43

Clark-County, Ohio · implied b. ~1897 — 7 household members

Surname	Lewis
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	MAD RIVER TWP.
1935 Residence (County)	CLARK
Class of Worker	0
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Margaret Lewis 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 Lewis

Spouse · 1940 · age 43 · b. ~1897 · Ohio

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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 — Clark-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03038-00309)

Line	Name	Age	Relation	Occupation	Birthplace
41	Betty Rems	11	Lodger	—	Ohio
42	John Cree	77	Head	—	Pennsylvania
43	Charles H. Williams	56	Head	Operator	Illinois
44	Mayme Williams	57	Wife	—	Ohio
45	James W. Brown	50	Head	Drill Off.	Ohio
46	James W. Knapp	28	Head	Laborer	Ohio
47	Helen Knapp	32	Wife	—	Ohio
48	James H. Knapp	6	Son	—	Ohio
49	Russell Hobby	10	Step-son	—	Ohio
50	Ralph Schemel	41	Head	Laborer	Ohio
51	Ralph Jr. Schemel	21	Son	Sander	Ohio
52	Wilma Schemel	17	Daughter-in-law	—	Ohio
53	Ralph Schemel	0	Grandson	—	Ohio
54	Charles Schemel	14	Son	New Worker	Ohio
55	Mary Schween	79	Head	—	Ohio
56	Conelius T. Tobin	66	Brother	—	Ohio
57	Chester Lewis	46	Head	Carpenter	Illinois
58	Margaret Lewis THIS PERSON	43	Wife	—	Ohio
59	Edward Lewis	17	Son	—	Ohio
60	Anna Lewis	15	Daughter	—	Ohio
61	Audrey Lewis	13	Daughter	—	Ohio
62	Robert Lewis	6	Son	—	Ohio
63	Richard Lewis	4	Son	—	Ohio
64	Raymond Summers	37	Head	Engineer	Ohio
65	Nellie Summers	35	Wife	—	Ohio
66	Clifford Summers	14	Son	—	Ohio
67	Ida Mae Summers	11	Daughter	—	Ohio
68	Raymond Jr. Summers	8	Son	—	Ohio
69	Donald Summers	6	Son	—	Ohio
70	Earl Summers	5	Son	—	Ohio
71	Caroline Summers	2	Daughter	—	Ohio
72	James Tobin	61	Head	Laborer	Ohio
73	Delbert Swaney	28	Head	Driller	Ohio
74	Helen Swaney	26	Wife	—	Ohio
75	Fred Swaney	4	Son	—	Ohio
76	Glen E. Swaney	0	Son	—	Ohio
77	Bernard Chiles	27	Head	Receiving Clerk	Ohio
78	Myrtle Chiles	28	Wife	—	Ohio
79	Bernard Jr. Chiles	10	Son	—	Ohio
80	Richard Chiles	6	Son	—	Ohio

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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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