Margaret Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Margaret Martin across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 3-person household.

Age 59 b. ~1881 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Martin
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Cincinnati City
1935 Residence (County)	Hamilton
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Cincinnati City
Est. Birth Year	~1881

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 Margaret	Age	Birth yr
Nicholas Martin	Head	—	64	~1876
Robert Martin	Son	—	17	~1923
Margaret Martin	Spouse	—	59	~1881

Census Appearances

1920

Hamilton, Ohio

Spouse, age 37

Hamilton, Ohio · implied b. ~1883 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Hamilton, Ohio

Spouse, age 47

Hamilton, Ohio · implied b. ~1883 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	34
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read/Write	Yes
Veteran	No
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Hamilton-County, Ohio

Spouse, age 59

Hamilton-County, Ohio · implied b. ~1881 — 3 household members

Surname	Martin
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Cincinnati City
1935 Residence (County)	Hamilton
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

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

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This person

Anchor record

Margaret Martin

Spouse · 1940 · age 59 · b. ~1881 · Ohio

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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 — Hamilton-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03199-00158)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ann Mahone	11	Daughter	—	Ohio
2	Eileen Mahone	8	Daughter	—	Ohio
3	Margaret Mahone	6	Daughter	—	Ohio
4	Maureen Mahone	4	Daughter	—	Ohio
5	Mary F. Mahone	2	Daughter	—	Ohio
6	Louis Franke	71	Head	—	Ohio
7	Dora Franke	64	Sister	—	Ohio
8	Nicholas Martin	64	Head	Valve Man	Ohio
9	Margaret Martin THIS PERSON	59	Wife	—	Indiana
10	Robert Martin	17	Son	Clerk	Ohio
11	Virginia Scull	48	Head	Proprietor	Indiana
12	Jacob Rieder	33	Head	Dyer	Hungary
13	Pauline Rieder	29	Wife	—	Ohio
14	Jacob Jr. Rieder	3	Son	—	Ohio
15	Carol Ann Rieder	3	Daughter	—	Ohio
16	Henry C. Kuengler	32	Head	Bottler	Ohio
17	Margaret Kuengler	31	Wife	—	Ohio
18	Henry A. Thomas	71	Head	Dairy Man	Ohio
19	Caroline Thomas	71	Wife	—	Ohio
20	William Hennigen	51	Head	Shipping Clerk	Ohio
21	Eva Hennigen	50	Wife	—	Ohio
22	Carl Hennigen	26	Son	Laborer	Ohio
23	Paul Hennigen	14	Son	—	Ohio
24	Harry Jordan	46	Head	Maintenance	Kentucky
25	Marie Jordan	38	Wife	—	Ohio
26	Marie Jordan	17	Daughter	—	Ohio
27	Harry Jordan	15	Son	—	Ohio
28	Thomas D. Kerr	36	Head	Maintenance Man	Virginia
29	Ethel Kerr	34	Wife	—	Kentucky
30	Myrtle Kerr	17	Daughter	—	Kentucky
31	Thomas Jr. Kerr	16	Son	—	Kentucky
32	Ruth Kerr	14	Daughter	—	West Virginia
33	Mabel Kerr	12	Daughter	—	Ohio
34	Robert Kerr	1	Son	—	Ohio
35	Myrtle Henderson	43	Head	—	Ohio
36	Thelma Henderson	22	Daughter	New Worker	Ohio
37	Edward Henderson	19	Son	New Worker	Ohio
38	Evelyn Henderson	17	Daughter	—	Ohio
39	Sherman Henderson	14	Son	—	Ohio
40	Donald Henderson	13	Son	—	Ohio

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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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