Margaret Sullivan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Margaret Sullivan across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 6-person household.

Age 41 b. ~1899 Female Spouse Born: Kentucky Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Sullivan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Additional Details
Highest Grade	G 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Township / Ward	Indianapolis
Est. Birth Year	~1899

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.

6 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Margaret	Age	Birth yr
Martha Smith	Daughter	—	3	~1937
William Sullivan	Head	—	42	~1898
Virginia Smith	Other	—	23	~1917
Hester Sullivan	Son	—	20	~1920
Hishain Smith	Son	—	2	~1938
Margaret Sullivan	Spouse	—	41	~1899

Census Appearances

1920

Marion, Indiana

Spouse, age 21

Marion, Indiana · implied b. ~1899 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	21
Marital Status	Married
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read	Yes
Can Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Marion, Indiana

Spouse, age 31

Marion, Indiana · implied b. ~1899 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Kentucky
Age at First Marriage	17
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Marion-County, Indiana

Spouse, age 41

Marion-County, Indiana · implied b. ~1899 — 6 household members

Surname	Sullivan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Highest Grade	G 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Linked across censuses

Our Model Tree links Margaret Sullivan 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 Sullivan

Spouse · 1940 · age 41 · b. ~1899 · 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-t0627-01128-00124)

Line	Name	Age	Relation	Occupation	Birthplace
1	James Curran	11	Son	—	Indiana
2	Charles Curran	9	Son	—	Illinois
3	Robert Curran	8	Son	—	Illinois
4	Bernard Ahlters	65	Head	Repairman	Indiana
5	George Shuler	74	Head	—	Indiana
6	Margaret Shuler	67	Wife	—	New York
7	Howard Poole	37	Head	Clerk	Indiana
8	Daisy Poole	31	Wife	—	Indiana
9	Delores Poole	14	Daughter	—	Indiana
10	Doris Poole	9	Daughter	—	Indiana
11	Mamie Jones	52	Head	—	Indiana
12	Ray Jones	26	Son	Decorator	Indiana
13	Elsie Jones	24	Daughter	—	Indiana
14	Robert Jones	19	Son	Machine Operator	Indiana
15	Ralph Jones	16	Son	—	Indiana
16	Michael Bauer	56	Head	Custodian	Indiana
17	Margaret Bauer	52	Wife	—	Ohio
18	Raymond Bauer	32	Son	Core Maker	Ohio
19	Marie Bauer	27	Daughter	Asst In Dentistry	Ohio
20	Hugh Bauer	20	Son	Tool Maker	Indiana
21	William Sullivan	42	Head	Metal Worker	Virginia
22	Margaret Sullivan THIS PERSON	41	Wife	—	Kentucky
23	Hester Sullivan	20	Son	Laborer	Indiana
24	Virginia Smith	23	Lodger	—	Indiana
25	Martha Smith	3	Daughter	—	Indiana
26	Hishain Smith	2	Son	—	Indiana
27	Carl Jr. Altman	28	Head	Clerk	Indiana
28	Elizabeth Altman	22	Wife	—	Indiana
29	Thomas Jr. Diggins	31	Head	Proprietor	Indiana
30	Ruth Diggins	29	Wife	—	Indiana
31	Shirley Diggins	11	Daughter	—	Indiana
32	Barbara Diggins	10	Daughter	—	Indiana
33	Delores Diggins	9	Daughter	—	Indiana
34	Mary Diggins	7	Daughter	—	Indiana
35	Tyrone Diggins	5	Son	—	Indiana
36	Daniel Diggins	1	Son	—	Indiana
37	Thomas Sr. Diggins	72	Father	Laborer	Ireland
38	Francis Pence	68	Head	—	Indiana
39	Pink May	57	Head	Core Maker	Indiana
40	Clara May	55	Wife	—	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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