Harold Jackson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Adams-County, Iowa

Our Model Tree links this Harold Jackson across the 1920, 1930 and 1940 US Censuses in Adams-County, Iowa (XGBoost, ~Confirmed), with identified parents William & Maggie — first a head (b.~1908), then head of a 5-person household.

Age 32 b. ~1908 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Adams-County, Iowa
Surname	Jackson
Given Name	Harold
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Carl Township
1935 Residence (County)	Adams
Additional Details
Occupation	Trucking
Industry	Public Trucking
Class of Worker	OA
Hours Worked	60
Income (1939)	525
Highest Grade	8
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Trucking
Township / Ward	Carl Township
Est. Birth Year	~1908

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 Harold	Age	Birth yr
Clara Jackson	Daughter	—	8	~1932
Donald Jackson	Son	—	11	~1929
Doris Jackson	Daughter	—	13	~1927
Harold Jackson	Head	—	32	~1908
Mary Jackson	Spouse	—	27	~1913

Census Appearances

1920

Adams, Iowa

Son, age 13

Adams, Iowa · implied b. ~1907 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jackson
Given Name	Harold
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Adams, Iowa

Head, age 23

Adams, Iowa · implied b. ~1907 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jackson
Given Name	Harold L
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	19
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Farmer
Industry	General farm
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	R
Radio Set	R
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Adams-County, Iowa

Head, age 32

Adams-County, Iowa · implied b. ~1908 — 5 household members

Surname	Jackson
Given Name	Harold
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Carl Township
1935 Residence (County)	Adams
Occupation	Trucking
Industry	Public Trucking
Class of Worker	OA
Hours Worked	60
Income (1939)	525
Highest Grade	8
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

William Jackson

b. ~1871

Source father

● Household · direct · ~0.92

Mother

Maggie Jackson

b. ~1872

Source mother

● Household · direct · ~0.92

This person

Anchor record

Harold Jackson

Head · 1940 · age 32 · b. ~1908 · Iowa

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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 — Adams-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01136-00442)

Line	Name	Age	Relation	Occupation	Birthplace
1	F. B. Kramer	63	Head	Farming	Iowa
2	Myrtle Kramer	60	Wife	Housewife	Iowa
3	Harold Jackson THIS PERSON	32	Head	Trucking	Iowa
4	Mary Jackson	27	Wife	Housewife	Nebraska
5	Doris Jackson	13	Daughter	—	Iowa
6	Donald Jackson	11	Son	—	Iowa
7	Clara Jackson	8	Daughter	—	Iowa
8	Ed Slizak	55	Head	Farming	Iowa
9	Jessie Slizak	54	Wife	Farm	Iowa
10	Maxine Slizak	24	Daughter	Teacher	Iowa
11	Gaylene Slizak	17	Daughter	—	Iowa
12	John Dixon	82	Head	—	Ohio
13	David Dixon	87	Brother	—	Ohio
14	G. B. Weed	62	Head	Preacher	Iowa
15	A. J. Weed	61	Wife	—	Iowa
16	S. M. Kirkpatrick	74	Head	Clerk	Ohio
17	Doris Maxine Kirkpatrick	20	Daughter	—	Iowa
18	Clara Ewart	56	Head	Operator	Minnesota
19	W. V. Bennett	37	Head	Barber	Iowa
20	Gladys Bennett	36	Wife	Clerk	Iowa
21	Roberta Bennett	4	Daughter	—	Iowa
22	Garnet Bennett	1	Daughter	—	Iowa
23	Bill Townsley	30	Head	Mechanic	Nebraska
24	Helen Townsley	22	Wife	Housewife	Iowa
25	Gary Townsley	5	Son	—	Iowa
26	W. L. Homan	75	Head	—	Iowa
27	Lida Homan	72	Wife	—	Iowa
28	Berton Cramer	11	Son	—	Iowa
29	Leon Natirdel	50	Head	Produce Buyer	Iowa
30	Ellie Natirdel	47	Wife	—	Iowa
31	Freda Natirdel	22	Daughter	Cosmetology	Iowa
32	Leon Jr. Natirdel	16	Son	Truck Driver	Iowa
33	Clarence Dillon	43	Head	Mechanic	Iowa
34	Hazel Dillon	38	Wife	Housewife	Iowa
35	Harold Dillon	5	Son	—	Iowa
36	Charlotte Ekstrand	16	Daughter	Housewife	Iowa
37	Norma Ekstrand	1	Daughter	—	Iowa
38	Frank Stule	53	Head	Farm	Iowa
39	Sadie Stule	51	Wife	Farm	Iowa
40	Lowell Stule	13	Son	—	Iowa

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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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