Martha Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Martha Clark across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.

Age 74 b. ~1866 Female Head Born: Iowa Widowed

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Clark
Given Name	Martha A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Additional Details
Occupation	Owner Manager
Industry	Apartment House
Class of Worker	OA
Hours Worked	48
Income (1939)	0
Highest Grade	8
1935 Residence	Same House
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Owner Manager
Township / Ward	Seattle City
Est. Birth Year	~1866

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
Martha Clark	Head	—	74	~1866
Astrid Malling	Other	—	51	~1889
Glen Malling	Son	—	19	~1921
Ray Malling	Son	—	21	~1919

Census Appearances

1920

King, Washington

Head, age 53

King, Washington · implied b. ~1867 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Martha A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	53
Marital Status	Divorced
Birthplace	Iowa
Father's Birthplace	Pennsylvania
Mother's Birthplace	Indiana
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

King, Washington

Head, age 65

King, Washington · implied b. ~1865

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Clark
Given Name	Martha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	65
Marital Status	Widowed
Birthplace	Iowa
Father's Birthplace	Pennsylvania
Mother's Birthplace	Indiana
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	8000
Radio Set	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

King-County, Washington

Head, age 74

King-County, Washington · implied b. ~1866 — 4 household members

Surname	Clark
Given Name	Martha A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Occupation	Owner Manager
Industry	Apartment House
Class of Worker	OA
Hours Worked	48
Income (1939)	0
Highest Grade	8
1935 Residence	Same House
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Martha Clark

Head · 1940 · age 74 · b. ~1866 · Washington

★ 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 — King-County, Washington Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-04380-00200)

Line	Name	Age	Relation	Occupation	Birthplace
41	Melba J. Ab Oakson	14	Daughter	—	Washington
42	Wallace K Mclain	37	Head	Salesman	Kansas
43	Vivian E Mclain	33	Wife	—	Washington
44	Patsy G Mclain	12	Daughter	—	Washington
45	Edwin E Harris	32	Head	Taxi Driver	North Dakota
46	William Center	31	Head	0	Moved
47	Lena Center	29	Wife	0	Moved
48	Jack Galvin	22	Head	Cook	Washington
50	Hulda M Falk	70	Head	—	Sweden
51	Helen M White	29	Head	Waitress	Washington
52	Eunice F Baird	55	Mother	Cook	Missouri
53	Donald L Masters	26	Head	Appraiser	Washington
54	Gwen M Masters	26	Wife	—	Washington
55	C. T. Burnham	41	Head	Painter	England
56	Ruth Burnham	40	Wife	—	Minnesota
57	Lyle J. Burnham	18	Son	New Worker	Minnesota
58	Floyd L Burnham	17	Son	New Worker	Minnesota
59	Martha A Clark THIS PERSON	74	Head	Owner Manager	Iowa
60	Astrid Malling	51	Mother	Cook	Norway
61	Ray W Malling	21	Son	Guard	Washington
62	Glen E Ab Malling	19	Son	Orderly	Washington
63	Edna F Puhl	46	Head	Housekeeper	Illinois
64	Leonard L Noble	38	Head	Laborer	Washington
65	Del Noble	38	Wife	—	Missouri
66	George H Wineholt	47	Head	Caretaker	Washington
67	Gertrude R Wineholt	36	Wife	Owner Manager	Washington
68	R Hall	29	Head	—	—
69	Ora Hall	27	Wife	—	—
70	Charles W Clydes	37	Head	Salesman	Minnesota
71	Clara H Clydes	37	Wife	—	California
72	Axel J Erickson	48	Head	Caretaker	Sweden
73	Jennie J Erickson	43	Wife	—	Washington
74	F. Vernan Pearce	29	Head	Clerk	Washington
75	Billy A Pearce	30	Wife	—	Washington
76	Gary F. Pearce	5	Son	—	Washington
77	Andrew B Sater	78	Head	Owner Manager	Norway
78	Gertrude Paula Sater	43	Daughter	Assistant Manager	Washington
79	Raymond S. Keeney	43	Head	Manager-Owner	Kansas
80	Tilghman C Albritton	65	Head	—	Kentucky

Search for Martha Clark

All Martha Clark Census Records Discover Clark Family Tree

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)

Report inaccurate data