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James Cavanaugh — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Onondaga-County, New York

Our Model Tree links this James Cavanaugh across the 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.

Age 10 b. ~1930 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationOnondaga-County, New York
SurnameCavanaugh
Given NameJames
Relationship to HeadSon
SexM
Color / RaceWhite
Age10
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Geddes Town
1935 Residence (County)Onondaga
Additional Details
Highest Grade4
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardGeddes Town
Est. Birth Year~1930

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.

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

Name Relation to head Relative to James Age Birth yr
Paul Cavanaugh Son — 4 ~1936
Alice Cavanaugh Daughter — 7 ~1933
Laura Cavanaugh Spouse — 34 ~1906
Jane Cavanaugh Daughter — ~1940
James Cavanaugh Son — 10 ~1930
Marion Cavanaugh Daughter — 12 ~1928
Richard Cavanaugh Son — 5 ~1935
George Cavanaugh Son — 9 ~1931
James Cavanaugh Head — 45 ~1895

Census Appearances

1930
Onondaga, New …
Son, age 1
Onondaga, New York · implied b. ~1929 — 48 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kavanaugh
Given Name James
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Onondaga-County, New …
Son, age 10
Onondaga-County, New York · implied b. ~1930 — 9 household members
Surname Cavanaugh
Given Name James
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace New York
1935 Residence (City) Geddes Town
1935 Residence (County) Onondaga
Highest Grade 4
1935 Residence Same house
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 James Cavanaugh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cavanaugh
Son · 1940 · age 10 · b. ~1930 · New York
★ You are viewing this record
Sibling
Marion Cavanaugh
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Cavanaugh
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cavanaugh
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cavanaugh
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Cavanaugh
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cavanaugh
Sibling · 1940 · age 7
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 — Onondaga-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02704-00283)

Line Name Age Relation Occupation Birthplace
1 Donald Ann Thomas 2 Son — New York
2 William X Duciarme 27 Head Spot Welder New York
3 Gilbert Duciarme 31 Wife Typewriter Canada
4 Ieva Duciarme 24 Sister — New York
5 Helen Duciarme 19 Sister — New York
6 Edward Goodwin 31 Head Manager New York
7 Marjorie Goodwin 30 Wife Secretary New York
8 Edward Jr. 3Rd Goodwin 13 Son — New York
9 Robert S. Goodwin 9 Son — New York
10 Francis F. Durham 41 Head Foreman New York
11 Marie X Durham 41 Wife — New York
12 Kenneth Durham 8 Son — New York
13 Earl Bell 34 Head Chauffeur New York
14 Mary X Bell 33 Wife — Canada
15 Earl W. Bell 14 Son — New York
16 Harry Bernard Bell 13 Son — New York
17 James P. Cavanaugh 45 Head Sheet Metal Worker New York
18 Laura X Cavanaugh 34 Wife — Michigan
19 Marion Cavanaugh 12 Daughter — New York
20 James Cavanaugh THIS PERSON 10 Son — New York
21 George Cavanaugh 9 Son — New York
22 Alice Jean Cavanaugh 7 Daughter — New York
23 Richard Cavanaugh 5 Son — New York
24 Paul Cavanaugh 4 Son — New York
25 Jane Katherine Cavanaugh 0 Daughter — New York
26 Donald Hall 31 Head Trucking New York
27 Leona X Hall 26 Wife — New York
28 Dorothy Hall 17 Daughter — New York
29 Betty Hall 14 Daughter — New York
30 Donald Jr. Hall 10 Son — New York
31 James Hall 9 Son — New York
32 Myrtle J. Hall 4 Daughter — New York
33 Gloria Hall 1 Daughter — New York
34 James Merlin 45 Head Inspector New York
35 Sally X Merlin 38 Wife — New York
36 Veronica Merlin 19 Daughter — New York
37 Marion Merlin 16 Daughter — New York
38 Patricia Merlin 14 Daughter — New York
39 James Merlin 12 Son — New York
40 Sally Anne Merlin 10 Daughter — New York

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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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