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Thomas Callahan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Vigo-County, Indiana

Our Model Tree links this Thomas Callahan across the 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.

Age 21 b. ~1919 Male Son Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationVigo-County, Indiana
SurnameCallahan
Given NameThomas
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)St Marys of the Wood
1935 Residence (County)Vigo
Additional Details
OccupationPainter
IndustryPrivate School
Class of WorkerPW
Hours Worked50
Income (1939)550
Highest GradeHs 4
1935 ResidenceSame place
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
OccupationPainter
Township / WardSt Marys Of The Wood
Est. Birth Year~1919

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.

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

Name Relation to head Relative to Thomas Age Birth yr
Daniel Callahan Son — 14 ~1926
Paul Callahan Son — 19 ~1921
Neil Callahan Son — 29 ~1911
Mary Callahan Daughter — 18 ~1922
Daniel Callahan Head — 67 ~1873
Loretta Callahan Spouse — 58 ~1882
Thomas Callahan Son — 21 ~1919

Census Appearances

1930
Vigo, Indiana
Son, age 11
Vigo, Indiana · implied b. ~1919 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Callahan
Given Name Thomas
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Indiana
Father's Birthplace Illinois
Mother's Birthplace Indiana
Can Read/Write Yes
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Vigo-County, Indiana
Son, age 21
Vigo-County, Indiana · implied b. ~1919 — 7 household members
Surname Callahan
Given Name Thomas
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace Indiana
1935 Residence (City) St Marys of the Wood
1935 Residence (County) Vigo
Occupation Painter
Industry Private School
Class of Worker PW
Hours Worked 50
Income (1939) 550
Highest Grade Hs 4
1935 Residence Same place
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Thomas Callahan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Callahan
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Paul Callahan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Callahan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Callahan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neil Callahan
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Vigo-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01105-00634)

Line Name Age Relation Occupation Birthplace
41 Robert J. Callahan 13 Son — Indiana
42 John Callahan 74 Father Gardener Illinois
43 Louise Mulvihill 36 Head Housework Indiana
44 Minnie Mulvihill 16 Son — Indiana
45 Rosemary Mulvihill 14 Daughter — Indiana
46 Edward Mulvihill 12 Son — Indiana
47 Thomas Mulvihill 6 Son — Indiana
48 Harvey Kahl 27 Head Boiler Repairman Indiana
49 Dorothy Kahl 27 Wife — Indiana
50 Leroy Kahl 2 Son — Indiana
51 George W. Rollings 76 Head — Indiana
52 Emma Rollings 64 Wife — Indiana
53 Hugh Whitney 65 Head Service Man England
54 Anna Whitney 50 Wife — Indiana
55 Aloysius Powers 41 Head Laborer Illinois
56 Wilma Powers 33 Wife — Indiana
57 Max Powers 13 Son — Indiana
58 Josephine Powers 8 Daughter — Indiana
59 Fred Corlett 65 Father-in-law Janitor Indiana
60 Annie Corlett 64 Mother-in-law — Indiana
61 Mary Rice 45 Boarder Housework Indiana
62 Andrew J. O'Dwyer 50 Head Private Police Indiana
63 Marcella O'Dwyer 49 Wife — Indiana
64 Theresa C. O'Dwyer 25 Daughter Laundry Worker Indiana
65 James P. O'Dwyer 22 Son Painter Helper Indiana
66 Thomas M. O'Dwyer 21 Son — Indiana
67 John F. O'Dwyer 15 Son — Indiana
68 Catherine M. O'Dwyer 13 Daughter — Indiana
69 Roll Chrisman 48 Head Motor Man Indiana
70 Marie Chrisman 35 Wife — Indiana
71 Virginia Chrisman 16 Daughter — Indiana
72 Andrew Chrisman 15 Son — Indiana
73 Daniel Callahan 67 Head Private Police Illinois
74 Loretta Callahan 58 Wife — Indiana
75 Neil Callahan 29 Son Dairy Laborer Indiana
76 Thomas Callahan THIS PERSON 21 Son Painter Indiana
77 Paul Callahan 19 Son — Indiana
78 Mary Callahan 18 Daughter — Indiana
79 Daniel Callahan 14 Son — Indiana
80 Gertrude Lee 41 Head Special Laundry 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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