Richard Martin — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Wapello-County, Iowa

Our Model Tree links this Richard Martin across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents Thomas & Elizabeth — first a head (b.~1905), then head of a 3-person household.

Age 35 b. ~1905 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Wapello-County, Iowa
Surname	Martin
Given Name	Richard
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Ottumwa City
1935 Residence (County)	Wapello County
Additional Details
Occupation	Truck driver
Industry	City
Class of Worker	PW
Hours Worked	44
Income (1939)	950
Highest Grade	H-4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Truck Driver
Township / Ward	Ottumwa City
Est. Birth Year	~1905

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 Richard	Age	Birth yr
Vivian Martin	Daughter	—	12	~1928
Richard Martin	Head	—	35	~1905
Blanche Martin	Spouse	—	32	~1908

Census Appearances

1920

Wapello, Iowa

Son, age 14

Wapello, Iowa · implied b. ~1906 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Richard
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Wales
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Wapello, Iowa

Son, age 25

Wapello, Iowa · implied b. ~1905 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Richard
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	22
Father's Birthplace	Wales
Mother's Birthplace	Iowa
Occupation	Machinist
Class of Worker	W
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Wapello-County, Iowa

Head, age 35

Wapello-County, Iowa · implied b. ~1905 — 3 household members

Surname	Martin
Given Name	Richard
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Ottumwa City
1935 Residence (County)	Wapello County
Occupation	Truck driver
Industry	City
Class of Worker	PW
Hours Worked	44
Income (1939)	950
Highest Grade	H-4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Thomas Martin

b. ~1877

Source father

● Household · direct · ~0.92

Mother

Elizabeth Martin

b. ~1882

Source mother

● Household · direct · ~0.92

This person

Anchor record

Richard Martin

Head · 1940 · age 35 · b. ~1905 · 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 — Wapello-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01209-00196)

Line	Name	Age	Relation	Occupation	Birthplace
1	Wayne Belford	30	Head	Laborer	Iowa
2	Ellen Belford	28	Wife	Laborer	Iowa
3	Shirley Belford	2	Daughter	—	Iowa
4	Donald Belford	4	Son	—	Iowa
5	Edward Belford	62	Father	Carpenter	Iowa
6	Stanley Snelling	34	Head	Laborer	Iowa
7	Lilly Snelling	45	Wife	—	Iowa
8	Lawrence Finley	21	Head	Laborer	Illinois
9	Gertrude Finley	20	Wife	—	Iowa
10	Richard Martin THIS PERSON	35	Head	Truck Driver	Iowa
11	Blanche Martin	32	Wife	—	Iowa
12	Vivian Jean Martin	12	Daughter	—	Iowa
13	Alfred Chambers	44	Head	Laborer	Iowa
14	Frances Chambers	44	Wife	—	Iowa
15	Alvin Chambers	10	Son	—	Iowa
16	Theanell Chambers	2	Daughter	—	Iowa
17	Edwin Morgan	28	Head	Baker	Iowa
18	Eva Morgan	26	Wife	—	Iowa
19	Edwin Jr. Morgan	3	Son	—	Iowa
20	Benjamin Richards	34	Head	Clerk	Iowa
21	Sybil Richards	33	Wife	—	Iowa
22	Jean Richards	3	Daughter	—	Iowa
23	Benjamin Jr. Richards	1	Son	—	Iowa
24	James Berdue	54	Head	Carpenter	Illinois
25	Nessa Berdue	50	Wife	Manager	Illinois
26	Orville Shoffer	39	Head	Attendant	Iowa
27	Forest Wilson	48	Head	Truck Driver	Iowa
28	Mable Wilson	41	Wife	Teacher	Indiana
29	Emera Wilson	72	Father	—	Iowa
30	Raymond Aubrey	25	Head	Laborer	Iowa
31	Ester Aubrey	17	Wife	—	Iowa
32	Edward Aubrey	0	Son	—	Iowa
33	Effie Counterman	43	Head	Manager	Iowa
34	Gomer Hughes	68	Head	Laborer	Indiana
35	Thomas Simpson	57	Head	Partner	Pennsylvania
36	Mathew Simpson	50	Brother	Partner	Pennsylvania
37	Sarra Chaney	55	Sister	—	Pennsylvania
38	Robert L. Simpson	49	Brother	Laborer	Iowa
39	Vera Brazelton	37	Head	Assistant Manager	Wisconsin
40	Eula Brazelton	59	Mother	—	Wisconsin

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Pedigree Summary

Richard

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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