Ida Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Ida Martin across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.

Age 48 b. ~1892 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Martin
Given Name	Ida M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Franklin Twp
1935 Residence (County)	Marion
Additional Details
Highest Grade	No 6
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Franklin Twp
Est. Birth Year	~1892

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 Ida	Age	Birth yr
Edward Martin	Head	—	54	~1886
Howard Martin	Son	—	25	~1915
Ida Martin	Spouse	—	48	~1892

Census Appearances

1920

Marion, Indiana

Spouse, age 27

Marion, Indiana · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Marion, Indiana

Spouse, age 37

Marion, Indiana · implied b. ~1893 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Martin
Given Name	Ida
Relationship to Head	wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	20
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	none
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Marion-County, Indiana

Spouse, age 48

Marion-County, Indiana · implied b. ~1892 — 3 household members

Surname	Martin
Given Name	Ida M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Franklin Twp
1935 Residence (County)	Marion
Highest Grade	No 6
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Ida 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

Ida Martin

Spouse · 1940 · age 48 · b. ~1892 · Indiana

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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 — Marion-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01075-00371)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ralph A. Prange	26	Head	Farmer	Indiana
2	Alethia Prange	23	Wife	Seamstress	Kentucky
3	Harry Lewis	29	Head	Farmer	Indiana
4	Hulda E. Lewis	24	Wife	—	Indiana
5	Margie E. Lewis	5	Daughter	—	Indiana
6	Edward Martin	54	Head	Farmer	Indiana
7	Ida M. Martin THIS PERSON	48	Wife	—	Indiana
8	Howard Martin	25	Son	Bus Driver	Indiana
9	Clarence Thiner	39	Head	Letter Carrier	Indiana
10	Margaret B. Thiner	38	Wife	—	Indiana
11	Herman Thiner	19	Son	Machinist	Indiana
12	Robert Thiner	17	Son	—	Indiana
13	Clara Thiner	12	Daughter	—	Indiana
14	Betty Thiner	6	Daughter	—	Indiana
15	Elbert Jones	30	Head	Labor	Indiana
16	Edna Jones	28	Wife	—	Indiana
17	Harold Jones	9	Son	—	Indiana
18	Fred Schmidt	32	Head	Trimmer	Ohio
19	Elizabeth Schmidt	24	Wife	—	Ohio
20	Ted Schmidt	4	Son	—	Ohio
21	William Carrier	39	Head	Truck Driver	Kentucky
22	Elsie Carrier	37	Wife	—	Indiana
23	William Carrier	18	Son	Safety	Indiana
24	Rosemary Carrier	13	Daughter	—	Indiana
25	Raymond Bradburn	40	Head	Truck Driver	Indiana
26	Eda Bradburn	44	Wife	Seamstress	Kentucky
27	Ervin Trampour	25	Head	Springer	Indiana
28	Dorothy Trampour	26	Wife	—	Indiana
29	Mirvin Trampour	2	Son	—	Indiana
30	Wade Nigh	29	Head	Electrician	Indiana
31	Eleanor Nigh	22	Wife	—	Indiana
32	Clifford Blake	34	Head	Knitter	Indiana
33	Jessie Blake	30	Wife	—	Indiana
34	Donna Blake	6	Daughter	—	Indiana
35	Lowell Blake	5	Son	—	Indiana
36	Leona Richardson	65	Mother in law	—	Indiana
37	Clara Hart	76	Mother	—	Ohio
38	Lonnie Goodwine	33	Head	Manager	Indiana
39	Fern Goodwine	25	Wife	Waitress	Indiana
40	David Hastings	6	Lodger	—	Indiana

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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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