Martha King — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Logan-County, Ohio

Our Model Tree links this Martha King across the 1920, 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.

Age 50 b. ~1890 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Logan-County, Ohio
Surname	King
Given Name	Martha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Liberty Twp.
1935 Residence (County)	Logan
Additional Details
Highest Grade	No H-4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Liberty Twp
Est. Birth Year	~1890

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 Martha	Age	Birth yr
Leon King	Head	—	53	~1887
Richard King	Son	—	20	~1920
Ned King	Son	—	16	~1924
Martha King	Spouse	—	50	~1890

Census Appearances

1920

Logan, Ohio

Spouse, age 30

Logan, Ohio · implied b. ~1890 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	King
Given Name	Martha E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Pennsylvania
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Logan, Ohio

Spouse, age 40

Logan, Ohio · implied b. ~1890 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	King
Given Name	Martha E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	22
Father's Birthplace	Ohio
Mother's Birthplace	Pennsylvania
Occupation	none
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Logan-County, Ohio

Spouse, age 50

Logan-County, Ohio · implied b. ~1890 — 4 household members

Surname	King
Given Name	Martha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Liberty Twp.
1935 Residence (County)	Logan
Highest Grade	No H-4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Martha King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Martha King

Spouse · 1940 · age 50 · b. ~1890 · 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 — Logan-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03100-00474)

Line	Name	Age	Relation	Occupation	Birthplace
41	Arthur Mccoy	8	Son	—	Ohio
42	Ronald Mccoy	1	Son	—	Ohio
43	Harold L. Yoder	30	Head	Tenant	Ohio
44	Nina Yoder	29	Wife	—	Ohio
45	Richard Yoder	3	Son	—	Ohio
46	Alvona Marie Yoder	0	Daughter	—	Ohio
47	Paul P. King	41	Head	Owner-Operator	Ohio
48	Mable King	38	Wife	—	Ohio
49	Helen King	12	Daughter	—	Ohio
50	Jo Ann King	5	Daughter	—	Ohio
51	Clifford D. Yoder	26	Head	Tenant	Ohio
52	Freda Yoder	26	Wife	—	Ohio
53	Robert Marshall	15	Lodger	—	Ohio
54	John Ray Yoder	55	Head	Owner-Operator	Ohio
55	Rebecca Yoder	49	Wife	—	Ohio
56	Dona Yoder	26	Daughter	Trained Nurse	Ohio
57	Gladis Yoder	23	Daughter	Assistant Operator	Ohio
58	James Yoder	20	Son	—	Ohio
59	Wanda Yoder	14	Daughter	—	Ohio
60	Paul Yoder	41	Head	Owner-Operator	Ohio
61	Anna Yoder	39	Wife	—	Ohio
62	Paul Jr. Yoder	13	Son	—	Ohio
63	Stanley Yoder	11	Daughter	—	Ohio
64	Carolyn Yoder	2	Daughter	—	Ohio
65	Leon King	53	Head	Owner-Operator	Ohio
66	Martha King THIS PERSON	50	Wife	—	Ohio
67	Richard King	20	Son	Truck Driver	Ohio
68	Ned King	16	Son	—	Ohio
69	Atis Kauffman	40	Head	Tenant	Iowa
70	Martha Kauffman	45	Wife	—	Ohio
71	Vernon Kauffman	16	Son	—	Ohio
72	Wayne Kauffman	13	Son	—	Ohio
73	John Kauffman	8	Son	—	Ohio
74	Clarence Weeks	25	Head	Tenant	Ohio
75	Charlotte Weeks	25	Wife	—	Ohio
76	John Newell	81	Father-in-law	—	Ohio
77	Richard Snyder	19	In-law	Laborer	Ohio
78	Phillis Snyder	17	In-law	—	Ohio
79	Edgar Williams	37	Head	Manager	Ohio
80	Ione Williams	30	Wife	—	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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