William Lamb — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Darke-County, Ohio

Our Model Tree links this William Lamb across the 1920, 1930 and 1940 US Censuses in Darke-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 3-person household.

Age 77 b. ~1863 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Darke-County, Ohio
Surname	Lamb
Given Name	William H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	77
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Greenville
1935 Residence (County)	Darke
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Farmer
Township / Ward	Greenville
Est. Birth Year	~1863

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
William Lamb	Head	—	77	~1863
Byron Lamb	Son	—	36	~1904
Laura Lamb	Spouse	—	73	~1867

Census Appearances

1920

Darke, Ohio

Head, age 56

Darke, Ohio · implied b. ~1864 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lamb
Given Name	William H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Darke, Ohio

Head, age 67

Darke, Ohio · implied b. ~1863 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lamb
Given Name	William H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	67
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	27
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	5000
Radio Set	R
Veteran	No
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Darke-County, Ohio

Head, age 77

Darke-County, Ohio · implied b. ~1863 — 3 household members

Surname	Lamb
Given Name	William H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	77
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Greenville
1935 Residence (County)	Darke
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links William Lamb 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 Lamb

Head · 1940 · age 77 · b. ~1863 · 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 — Darke-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03060-00339)

Line	Name	Age	Relation	Occupation	Birthplace
41	Robert R. Coppess	36	Head	Partner	Ohio
42	Helen M. Coppess	36	Wife	—	Ohio
43	Alice Ann Coppess	10	Daughter	—	Ohio
44	Robert Y. Coppess	7	Son	—	Ohio
45	William H. Lamb THIS PERSON	77	Head	Farmer	Indiana
46	Laura H. Lamb	73	Wife	—	Ohio
47	Byron Lamb	36	Son	Farmer-Musician	Ohio
48	J. E. Boyer	75	Head	Harness Maker	Ohio
49	Jessie Pattell Boyer	70	Wife	—	Ohio
50	Wm. F. Newman	68	Head	—	Ohio
51	Minnie A. Newman	60	Wife	—	Ohio
52	Sylvia Mesley	58	Sister	—	Ohio
53	Jennie Howell	65	Sister	—	Ohio
54	Charles J. Hildebrand	47	Head	Proprietor	Ohio
55	Teresa Hildebrand	41	Wife	—	Indiana
56	Bertha Ann Hildebrand	10	Daughter	—	Ohio
57	Charles J. Hildebrand	9	Son	—	Ohio
58	Robert Hildebrand	7	Son	—	Ohio
59	John W. Reigle	73	Head	Odd Jobs	Ohio
60	Myrtle Reigle	60	Wife	—	Ohio
61	Francis Mae Reigle	37	Daughter	Attendant	Ohio
62	Sara Lee Napier	10	Daughter	—	Ohio
63	Treva Bixler	35	Daughter	Housekeeper	Ohio
64	Margaret Bixler	12	Granddaughter	—	Ohio
65	Esther V. Crowfoot	46	Head	Seamstress	Ohio
66	Ray John Mader	55	Head	Proprietor	Pennsylvania
67	Nettie May Mader	50	Wife	—	Ohio
68	N. H. Mcfarland	50	Head	Traveling Salesman	Indiana
69	Glenna Mcfarland	50	Wife	—	Ohio
70	Gallant H. Booker	44	Head	Proprietor	Ohio
71	Maude M. Booker	48	Wife	—	Ohio
72	Wm. Haller Booker	4	Son	—	Ohio
73	Foster M. Shulty	45	Head	Traveling Salesman	Ohio
74	Ruth V. Shulty	46	Wife	—	Ohio
75	Jack Shulty	8	Son	—	Ohio
76	Edward J. Meehan	39	Head	Baker	Ohio
77	Mable S. Meehan	25	Wife	Manager	Ohio
78	Sue Carroll Meehan	0	Daughter	—	Ohio
79	Edward Sr. Meehan	60	Father	Proprietor	Ohio
80	Augustus Miller	61	Head	Laborer	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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