Martha Clark — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Kent-County, Delaware

Our Model Tree links this Martha Clark across the 1920, 1930 and 1940 US Censuses in Kent-County, Delaware (XGBoost, ~Confirmed), with identified parents Sarah — first a spouse (b.~1890), then head of a 5-person household.

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

1940 Census Record Details

Census Year	1940
Location	Kent-County, Delaware
Surname	Clark
Given Name	Martha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Camden
1935 Residence (County)	Kent
Additional Details
Industry	0
Class of Worker	0
Highest Grade	No 4
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Township / Ward	Camden
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.

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

Name	Relation to head	Relative to Martha	Age	Birth yr
Clarence Clark	Head	—	50	~1890
Sara Cooper	Other	—	79	~1861
Richard Clark	Son	—	17	~1923
Donald Clark	Son	—	14	~1926
Martha Clark	Spouse	—	50	~1890

Census Appearances

1920

Kent, Delaware

Spouse, age 29

Kent, Delaware · implied b. ~1891 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Martha G.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

Kent, Delaware

Daughter, age 40

Kent, Delaware · implied b. ~1890 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Martha
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	27
Father's Birthplace	Delaware
Mother's Birthplace	New York
Occupation	none
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

Kent-County, Delaware

Spouse, age 50

Kent-County, Delaware · implied b. ~1890 — 5 household members

Surname	Clark
Given Name	Martha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Camden
1935 Residence (County)	Kent
Industry	0
Class of Worker	0
Highest Grade	No 4
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Model Tree available

Our Model Tree links Martha Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Cooper (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Sarah Cooper

b. ~1861

Source mother

● Household · direct · ~0.92

This person

Anchor record

Martha Clark

Spouse · 1940 · age 50 · b. ~1890 · Delaware

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Kent-County, Delaware Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00544-00630)

Line	Name	Age	Relation	Occupation	Birthplace
41	Stella Manahan	44	Wife	—	North Carolina
42	Caroline Manahan	15	Daughter	—	South Carolina
43	Samuel Speal	78	Head	—	Delaware
44	Sadie Speal	78	Wife	—	Delaware
45	Thomas Clark	15	Nephew	—	North Carolina
46	Lida Downham	75	Head	—	Delaware
47	Mary Draper	65	Sister	—	Delaware
48	Dawsey Clark	65	Head	Farmer	Delaware
49	Mary E. Clark	62	Wife	—	Delaware
50	J. W. Evans	90	Head	—	New Jersey
51	Clarence Clark	50	Head	—	Delaware
52	Martha Clark THIS PERSON	50	Wife	—	Delaware
53	Richard Clark	17	Son	—	Delaware
54	Donald Clark	14	Son	—	Delaware
55	Sara Cooper	79	Mother	—	New York
56	Merritt, Jr. Burke	36	Head	Proprietor	Delaware
57	Carolyn M. Burke	37	Wife	—	Delaware
58	Merritt W. Iii Burke	9	Son	—	Delaware
59	Nancy Lou Burke	3	Daughter	—	Delaware
60	Belly C. Moore	53	Boarder	Teacher	Delaware
61	Lillie Rickards	74	Head	—	Pennsylvania
62	Fred Rickards	45	Son	Field Supervisor	Delaware
63	Ann B. Rickards	26	Daughter	Stenographer	Virginia
64	Troy Sr. Kitchcroft	49	Head	Wholesale Grocer	North Carolina
65	Clara Kitchcroft	43	Wife	—	Maryland
66	Troy Jr. Kitchcroft	20	Son	Surveyor	North Carolina
67	Asel D. Clark	70	Head	—	Delaware
68	J. Ezekiel	61	Head	Agent	Pennsylvania
69	Florence M. Ezekiel	60	Wife	—	Delaware
70	Bessie J. Squith	72	Aunt	—	Delaware
71	Samuel M. Nunn	27	Son-in-law	—	Pennsylvania
72	Alice E. Nunn	28	Daughter	—	Delaware
73	Frances E. Nunn	5	Granddaughter	—	Washington D.C.
74	Reynaldo Stevens	36	Head	Painter & Paper Hanger	Delaware
75	Ida Stevens	30	Wife	Labeler	New Jersey
76	Ronald J. Stevens	1	Son	—	Delaware
77	Ada Bell	20	Sister-in-law	—	Delaware
78	Henry A. Albers	34	Head	Laborer	Pennsylvania
79	Mildred Albers	38	Wife	Trimmer	Delaware
80	Julian Courtney	26	Head	Laborer	Virginia

Related Census Records

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Pedigree Summary

Martha

Gen 1 · 1 parents ~0.92

Max depth 4 (1900–1950 window)

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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