JC
James Cavanaugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this James Cavanaugh across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Cavanaugh |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Third Magisterial District |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Cavanaugh | Son | — | 11 | ~1929 |
| Head Thomas | Other | — | — | |
| Johannah Cavanaugh | Daughter | — | 31 | ~1909 |
| Edward Cavanaugh | Head | — | 63 | ~1877 |
| Barbara Cavanaugh | Daughter | — | 14 | ~1926 |
| Mary Cavanaugh | Spouse | — | 50 | ~1890 |
| Ruth Cavanaugh | Daughter | — | 15 | ~1925 |
| Naomi Thomas | Spouse | — | 21 | ~1919 |
Census Appearances
1930
Jefferson, Kentucky
Son, age 1
Jefferson, Kentucky · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | Jimmie L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 11
Jefferson-County, Kentucky · implied b. ~1929 — 8 household members
| Surname | Cavanaugh |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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.
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 11 · b. ~1929 · Kentucky
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Sibling
Barbara Cavanaugh
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johannah Cavanaugh
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cavanaugh
Sibling · 1940 · age 15
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01321-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Ann Ray | 5 | daughter | — | Kentucky |
| 2 | Thomas Ray | 2 | son | — | Kentucky |
| 3 | Joseph Kippes | 13 | son | — | Kentucky |
| 4 | Jess Kippes | 11 | son | — | Kentucky |
| 5 | Melburn Gentry | 29 | Head | Nickel Plater | Kentucky |
| 6 | Minnie Gentry | 29 | wife | Packer | Kentucky |
| 7 | Frank A. Schuler | 46 | Head | Farmer | Kentucky |
| 8 | Emma Schuler | 33 | wife | — | Kentucky |
| 9 | Frank Jr. Schuler | 12 | son | — | Kentucky |
| 10 | Raymond Schuler | 10 | son | — | Kentucky |
| 11 | Carl Schuler | 8 | son | — | Kentucky |
| 12 | Mahler Schuler | 2 | son | — | Kentucky |
| 13 | Pelina Terry | 83 | boarder | — | Kentucky |
| 14 | Edward Cavanaugh | 63 | Head | Laborer | Kentucky |
| 15 | Mary E. Cavanaugh | 50 | wife | — | Kentucky |
| 16 | Johannah Cavanaugh | 31 | daughter | — | Kentucky |
| 17 | Ruth Cavanaugh | 15 | daughter | — | Kentucky |
| 18 | Barbara Cavanaugh | 14 | daughter | — | Kentucky |
| 19 | James Cavanaugh THIS PERSON | 11 | son | — | Kentucky |
| 20 | Head Thomas | None | M | Furniture Factory | — |
| 21 | Naomi Q. Thomas | 21 | wife | Blocker | Kentucky |
| 22 | Richard P. Locke | 73 | Head | — | Kentucky |
| 23 | Minnie Locke | 83 | wife | — | Kentucky |
| 24 | Robert E. Martin | 28 | Head | Carpenter | Kentucky |
| 25 | Edna Martin | 25 | wife | Tobacco Stemmer | Kentucky |
| 26 | James W. Owens | 22 | Head | Farmer | Kentucky |
| 27 | Kathryn Owens | 20 | wife | Tobacco Stemmer | Kentucky |
| 28 | Jane J. Owens | 2 | son | — | Kentucky |
| 29 | Robert Owens | 0 | son | 0 | Kentucky |
| 30 | Housekeeper Hattie | None | F | Private Family | — |
| 31 | Neal Terry | 47 | Head | Farmer | Kentucky |
| 32 | Clara Terry | 43 | wife | — | Kentucky |
| 33 | Rogers Terry | 21 | son | Carpenter | Kentucky |
| 34 | Bradley Warren | 21 | Head | Truck Driver | Kentucky |
| 35 | Evelyn P. Warren | 20 | wife | — | Kentucky |
| 36 | Andrew Risen | 48 | Head | Road Construction | Kentucky |
| 37 | Gertie E. Risen | 42 | wife | — | Kentucky |
| 38 | Holbert Risen | 20 | son | Stone Cutter | Kentucky |
| 39 | Wilma Risen | 17 | daughter | Housekeeper | Kentucky |
| 40 | Mavis Risen | 13 | daughter | — | Kentucky |
Related Census Records
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)