Martha Allen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cochise-County, Arizona

Our Model Tree links this Martha Allen across the 1920, 1930 and 1940 US Censuses in Cochise-County, Arizona (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 3-person household.

Age 57 b. ~1883 Female Spouse Born: Texas Married

1940 Census Record Details

Census Year	1940
Location	Cochise-County, Arizona
Surname	Allen
Given Name	Martha Carolyn
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	Sup. D. No 1
1935 Residence (County)	Cochise
Additional Details
Hours Worked	0
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas
Township / Ward	Sup D No 1
Est. Birth Year	~1883

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 Martha	Age	Birth yr
William Allen	Son	—	35	~1905
Joel Allen	Head	—	68	~1872
Martha Allen	Spouse	—	57	~1883

Census Appearances

1920

Cochise, Arizona

Spouse, age 38

Cochise, Arizona · implied b. ~1882 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Martha C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Texas
Father's Birthplace	Missouri
Mother's Birthplace	Arkansas
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1930

Cochise, Arizona

Spouse, age 49

Cochise, Arizona · implied b. ~1881 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Allen
Given Name	Martha C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Texas
Age at First Marriage	18
Father's Birthplace	Missouri
Mother's Birthplace	Arkansas
Occupation	Power machine operator
Industry	Children's dresses
Class of Worker	W
Can Read/Write	Yes
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1940

Cochise-County, Arizona

Spouse, age 57

Cochise-County, Arizona · implied b. ~1883 — 3 household members

Surname	Allen
Given Name	Martha Carolyn
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	Sup. D. No 1
1935 Residence (County)	Cochise
Hours Worked	0
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

Model Tree

Linked across censuses

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

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This person

Anchor record

Martha Allen

Spouse · 1940 · age 57 · b. ~1883 · Arizona

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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 — Cochise-County, Arizona Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00100-00389)

Line	Name	Age	Relation	Occupation	Birthplace
1	E. B. Benton	32	Head	Store Keeper	Arizona
2	Emily Benton	30	Wife	—	Arizona
3	Roger W. Stevens	26	Head	Farm Manager	Indiana
4	Bertha Stevens	18	Wife	—	Mexico
5	Alphonso M. Teran	18	Hired hand	Laborer	Arizona
6	Jake De Slee	29	Head	Dairyman	Holland
7	Sadie De Slee	24	Wife	—	Holland
8	John De Slee	1	Son	—	California
9	Archie Barnett	21	Hired hand	Laborer	Texas
10	Dirk Godwick	46	Hired hand	Milker	Holland
11	Homer E. Brinkman	54	Head	Cager	Michigan
12	Esther Brinkman	60	Wife	—	Iowa
13	Regina Dinwiddie	56	Head	—	Missouri
14	Edgar Dinwiddie	30	Son	Farm Manager	California
15	Alma Adams	55	Hired hand	Laborer	Arizona
16	Gottlieb John Weik	49	Head	Farm Manager	Germany
17	Alma Weik	39	Wife	—	Minnesota
18	John Weik	19	Son	—	Arizona
19	Alfred Weik	18	Son	—	Arizona
20	Ruth Weik	14	Daughter	—	Arizona
21	Freda Weik	10	Daughter	—	Arizona
22	Emmett A. Jones	39	Head	Laborer	Texas
23	Ruby Jones	35	Wife	—	Oklahoma
24	Geraldine Jones	17	Daughter	—	Oklahoma
25	Dayle Jones	14	Son	—	Oklahoma
26	Leon Jones	13	Son	—	Oklahoma
27	Lavon Jones	10	Daughter	—	Arizona
28	Joel H. Allen	68	Head	Farm Manager	Texas
29	Martha Carolyn Allen THIS PERSON	57	Wife	—	Texas
30	William Allen	35	Son	Sub-Foreman	Oklahoma
31	John M. Dunn	24	Head	Miner	Arizona
32	Dorothy Dunn	17	Wife	—	Arizona
33	Mielosh L. Rowe	37	Head	Laborer	Oklahoma
34	Annie L. Rowe	36	Wife	Box Drier	Texas
35	Charles Maxwell Harvey	17	Step-son	—	Texas
36	Lysander F. Coatsy	35	Head	Laborer	New Mexico
37	Ida B. Coatsy	32	Wife	—	Nebraska
38	Ida Margaret Coatsy	11	Daughter	—	Arizona
39	Verna May Coatsy	9	Daughter	—	Arizona
40	Mary Elizabeth Coatsy	7	Daughter	—	New Mexico

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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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