Mary Cavanaugh — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Tippecanoe-County, Indiana

Our Model Tree links this Mary Cavanaugh across the 1920, 1930 and 1940 US Censuses in Tippecanoe-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 2-person household.

Age 63 b. ~1877 Female Head Born: Indiana Widowed

1940 Census Record Details

Census Year	1940
Location	Tippecanoe-County, Indiana
Surname	Cavanaugh
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	63
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Lafayette
1935 Residence (County)	Tippecanoe
Additional Details
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Lafayette
Est. Birth Year	~1877

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Anthony Cavanaugh	Son	—	25	~1915
Mary Cavanaugh	Head	—	63	~1877

Census Appearances

1920

Tippecanoe, Indiana

Spouse, age 43

Tippecanoe, Indiana · implied b. ~1877 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cavanaugh
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	France
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	French
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Tippecanoe, Indiana

Spouse, age 53

Tippecanoe, Indiana · implied b. ~1877 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cavanaugh
Given Name	Mary L
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	18
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Tippecanoe-County, Indiana

Head, age 63

Tippecanoe-County, Indiana · implied b. ~1877 — 2 household members

Surname	Cavanaugh
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	63
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Lafayette
1935 Residence (County)	Tippecanoe
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Cavanaugh

Head · 1940 · age 63 · b. ~1877 · 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 — Tippecanoe-County, Indiana Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-01098-00097)

Line	Name	Age	Relation	Occupation	Birthplace
41	Helen Louise Burkhardt	19	Wife	—	Indiana
42	Ralph Walter Burkhardt	1	Son	—	Indiana
43	Charles Tremelling	56	Lodger	Laborer	Indiana
44	Frank Fitzpatrick	49	Head	Electrician	Indiana
45	Evelyn Fitzpatrick	43	Wife	—	Indiana
46	Flora Fitzpatrick	23	Daughter	Nurse	Indiana
47	Catherine Fitzpatrick	17	Daughter	—	Indiana
48	Lucille Fitzpatrick	14	Daughter	—	Indiana
49	Francis Thomas Fitzpatrick	7	Son	—	Indiana
50	James Graves	64	Head	Laborer	Tennessee
51	Lloyd Hooper	40	Lodger	Laborer	Indiana
52	Henry Cable	22	Head	Section-Hand	Illinois
53	Dorothy Cable	23	Wife	—	Indiana
54	Margaret Ann Cable	1	Daughter	—	Indiana
55	Joseph Jr. Brown	39	Head	Janitor	Ohio
56	Cleo Brown	34	Wife	Practical Nursing	Indiana
57	Josetta Brown	13	Daughter	—	Indiana
58	Joseph Brown	11	Son	—	Indiana
59	Richard Brown	10	Son	—	Indiana
60	Robert Brown	9	Son	—	Indiana
61	Frank Albert Hawbaker	18	Son	New Worker	Indiana
62	Joseph P. Cavanaugh	27	Head	Laborer	Indiana
63	Lucille Cavanaugh	21	Wife	—	Indiana
64	Paul Leslie Cavanaugh	2	Son	—	Indiana
65	Edwin Joseph Cavanaugh	0	Son	—	Indiana
66	Harry Fisher	49	Head	Laborer	Indiana
67	Bernice Fisher	24	Wife	—	N. Carolina
68	Velma Collins	26	Lodger	Housework	North Carolina
69	Grant Durr	76	Head	—	Illinois
70	Viola Durr	68	Wife	—	Indiana
71	James Loftus	23	Head	Janitor	Indiana
72	Alice Loftus	20	Wife	—	Indiana
73	Mary Cavanaugh THIS PERSON	63	Head	—	Indiana
74	Anthony Cavanaugh	25	Son	Janitor	Indiana
75	William Glass	44	Head	Plasterer	Ohio
76	Rosa Mae Glass	33	Wife	—	Indiana
77	Robert Koepkey	7	Son	—	Indiana
78	Mary Alice Koepkey	6	Daughter	—	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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