Charles Cox — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this Charles Cox across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Mattie — first a head (b.~1894), then head of a 4-person household.

Age 46 b. ~1894 Male Head Born: Missouri Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Iowa
Surname	Cox
Given Name	Charles
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Des Moines City
1935 Residence (County)	Polk
Additional Details
Occupation	Laborer
Industry	Building Trade
Class of Worker	PW
Hours Worked	8
Highest Grade	H 8
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri
Occupation	Laborer
Township / Ward	Des Moines City
Est. Birth Year	~1894

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 Charles	Age	Birth yr
Trent Cox	Daughter	—	28	~1912
Colleen Cox	Daughter	—	10	~1930
Charles Cox	Head	—	46	~1894
Eunice Cox	Spouse	—	46	~1894

Census Appearances

1920

Polk, Iowa

Son, age 26

Polk, Iowa · implied b. ~1894 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Charles H
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Missouri
Father's Birthplace	Missouri
Mother's Birthplace	Illinois
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1930

Polk, Iowa

Other, age 36

Polk, Iowa · implied b. ~1894 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Charles H
Relationship to Head	O
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Missouri
Age at First Marriage	28
Father's Birthplace	United States
Mother's Birthplace	Maryland
Occupation	Mechanic
Industry	Des Moines R.R.
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	2000
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1940

Polk-County, Iowa

Head, age 46

Polk-County, Iowa · implied b. ~1894 — 4 household members

Surname	Cox
Given Name	Charles
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Des Moines City
1935 Residence (County)	Polk
Occupation	Laborer
Industry	Building Trade
Class of Worker	PW
Hours Worked	8
Highest Grade	H 8
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Mattie Cox

b. ~1870

Source mother

● Household · direct · ~0.92

This person

Anchor record

Charles Cox

Head · 1940 · age 46 · b. ~1894 · 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 — Polk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01193-00202)

Line	Name	Age	Relation	Occupation	Birthplace
1	Otho Ridgeway	59	Head	Carpenter	Iowa
2	Oline Ridgeway	60	Wife	—	Norway
3	Gertrude Ridgeway	26	Daughter	—	Iowa
4	Maurine Ridgeway	23	Daughter	—	Iowa
5	Cheryl Sue Ridgeway	2	Granddaughter	—	Iowa
6	Marion W. Clark	41	Head	Sales Manager	Iowa
7	Katherine Clark	39	Wife	—	Colorado
8	Thomas H. Mccoy	46	Head	Laborer	Iowa
9	Lucille Mccoy	41	Wife	—	Iowa
10	Roy Mccoy	19	Son	—	Iowa
11	William Lefler	22	Head	Manager	Iowa
12	Illene Lefler	21	Wife	—	Utah
13	Rita Maurine Lefler	2	Daughter	—	Iowa
14	Joe Logan	46	Head	Skilled Laborer	Iowa
15	Leah Logan	40	Wife	—	Missouri
16	Robert H. Logan	17	Son	—	Iowa
17	Merle B. Logan	14	Son	—	Iowa
18	Verne A. Logan	9	Son	—	Iowa
19	Russell Meeker	41	Head	Postal Clerk	Iowa
20	Anna Mae Meeker	40	Wife	—	Iowa
21	George Meeker	16	Son	—	Iowa
22	Patty Meeker	14	Daughter	—	Iowa
23	Joe Meeker	7	Son	—	Iowa
24	Culver Halliburton	37	Head	Sign Co.	Missouri
25	Bertha Halliburton	39	Wife	—	Iowa
26	James Halliburton	11	Son	—	Iowa
27	Adelaide Canfield	75	Head	—	Illinois
28	Lorene B. Canfield	43	Son	Supply Store	Nebraska
29	—	None	—	—	—
30	Alice Morris	68	Head	Housekeeper	England
31	Arthur Stull	37	Head	Operation	Iowa
32	Daisy Stull	35	Wife	—	England
33	Carroll Porter	50	Head	Messenger	Iowa
34	Gertrude B. Porter	49	Wife	—	Iowa
35	Charles Cox THIS PERSON	46	Head	Laborer	Missouri
36	Eunice Cox	46	Wife	Clerk	Iowa
37	Colleen Cox	10	Daughter	—	Iowa
38	Trent, Vernice Cox	28	Daughter	—	Iowa
39	Gilbert Cox	48	Head	Mechanic	Missouri
40	Mabel E. Cox	49	Wife	—	Iowa

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Pedigree Summary

Charles

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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