Harold Clark — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this Harold Clark across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Amba & Emery — first a head (b.~1912), then head of a 3-person household.

Age 28 b. ~1912 Male Head Born: Oklahoma Married

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Clark
Given Name	Harold E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Oklahoma
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Additional Details
Occupation	Auditor
Industry	General Audit Bureau
Class of Worker	PW
Hours Worked	44
Income (1939)	1248
Highest Grade	C 2
1935 Residence	Same place
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma
Occupation	Auditor
Township / Ward	Portland City
Est. Birth Year	~1912

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 Harold	Age	Birth yr
Vera Clark	Spouse	—	28	~1912
Harold Clark	Head	—	28	~1912
Donald Clark	Son	—	6	~1934

Census Appearances

1920

Multnomah, Oregon

Son, age 8

Multnomah, Oregon · implied b. ~1912 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Harold
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	Oklahoma
Father's Birthplace	Kansas
Mother's Birthplace	Kansas
Speaks English	Yes
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

1930

Multnomah, Oregon

Son, age 19

Multnomah, Oregon · implied b. ~1911 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clarke
Given Name	Harold
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Oklahoma
Father's Birthplace	Kansas
Mother's Birthplace	Kansas
Occupation	Salesman
Industry	Shoes Retail
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

1940

Multnomah-County, Oregon

Head, age 28

Multnomah-County, Oregon · implied b. ~1912 — 3 household members

Surname	Clark
Given Name	Harold E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Oklahoma
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Occupation	Auditor
Industry	General Audit Bureau
Class of Worker	PW
Hours Worked	44
Income (1939)	1248
Highest Grade	C 2
1935 Residence	Same place
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

Model Tree

Model Tree available

Our Model Tree links Harold Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Amba Clark (~0.92 confidence) and father Emery Clarke (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Amba Clark

b. ~1889

Source mother

● Household · direct · ~0.92

Father

Emery Clarke

b. ~1889

Source father

● Household · direct · ~0.92

This person

Anchor record

Harold Clark

Head · 1940 · age 28 · b. ~1912 · Oregon

★ 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 — Multnomah-County, Oregon Open full size

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-03387-00838)

Line	Name	Age	Relation	Occupation	Birthplace
41	Katherine B Highland	36	Head	—	Illinois
44	Wilmer A Kerber	42	Head	Captain	Wisconsin
45	Olga D Kerber	42	Wife	—	Washington
46	Valerie Kerber	9	Daughter	—	Oregon
47	Rodney Kerber	4	Son	—	Oregon
48	Glen A Kellum	38	Head	Chief Dispatcher	Washington
49	Thelma Kellum	39	Wife	—	Colorado
50	Kayalison Kellum	7	Daughter	—	Oregon
51	E S Hofziger	41	Head	Trucking	Arkansas
52	Rebecca Hofziger	40	Wife	—	Oregon
53	Lorena Hofziger	15	Daughter	—	Oregon
54	Vernon Hofziger	14	Son	—	Oregon
55	Gladys Litchfield	16	Daughter	—	Oregon
56	Donn Litchfield	19	Son-in-law	Apprentice	Oregon
57	Loyd Vorhies	45	Laborer	Assistant On Truck	Oregon
59	Fred R Sanders	62	Head	Brick Mason	Indiana
60	Bessie E Sanders	53	Wife	—	Illinois
61	Marion Sanders	20	Daughter	Compiling Statistics	Oregon
62	Winifred Sanders	15	Daughter	—	Oregon
63	Louisa Tabor	82	Aunt	—	Illinois
64	Cecil H Beddome	64	Head	Salesman	Canada-English
65	Ethel W Beddome	65	Wife	—	Canada-English
66	Alexander Davidson	58	Head	Deputy Sheriff	Scotland
67	Lucile Davidson	50	Wife	—	Alabama
68	Harold E Clark THIS PERSON	28	Head	Auditor	Oklahoma
69	Vera Clark	28	Wife	—	Oregon
70	Donald Clark	6	Son	—	Oregon
71	Ethel M Smith	65	Head	Teacher	Illinois
72	W Purves	60	Head	Landscaper	Scotland
73	Mary Jane Purves	61	Wife	—	Scotland
74	Oliver Ferguson	46	Head	Hoist-Portable Engineer	Oregon
75	Edith Ferguson	42	Wife	—	Missouri
76	Larry Ferguson	17	Son	Magazine Salesman	Oregon
77	Scotty Ferguson	14	Son	—	Oregon
79	George Harry Root	71	Head	Owner	Illinois
80	Mabel C Root	55	Wife	Secretary	Oregon

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Pedigree Summary

Harold

Gen 1 · 2 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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