JC
James Cavanaugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfield-County, Ohio
Our Model Tree links this James Cavanaugh across the 1930 and 1940 US Censuses in Fairfield-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, Ohio |
| Surname | Cavanaugh |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Fairfield |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lancaster |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Charles Beimer | Other | — | 75 | ~1865 |
| Thomas Cavanaugh | Son | — | 16 | ~1924 |
| John Cavanaugh | Son | — | 7 | ~1933 |
| Dorothy Cavanaugh | Daughter | — | 3 | ~1937 |
| Richard Cavanaugh | Son | — | 13 | ~1927 |
| Ruth Cavanaugh | Daughter | — | 10 | ~1930 |
| James Cavanaugh | Son | — | 14 | ~1926 |
| Goldie Ward | Other | — | 49 | ~1891 |
| Mary Cavanaugh | Spouse | — | 39 | ~1901 |
| Joseph Cavanaugh | Head | — | 40 | ~1900 |
| Donald Cavanaugh | Son | — | 3 | ~1937 |
Census Appearances
1930
Franklin, Ohio
Son, age 3
Franklin, Ohio · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kavanaugh |
| Given Name | James O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Fairfield-County, Ohio
Son, age 14
Fairfield-County, Ohio · implied b. ~1926 — 11 household members
| Surname | Cavanaugh |
| Given Name | James P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Fairfield |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Richard Cavanaugh
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cavanaugh
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cavanaugh
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cavanaugh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cavanaugh
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cavanaugh
Sibling · 1940 · age 10
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 — Fairfield-County, Ohio
Open full size
1940 US Federal Census — Fairfield-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03065-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary A. Mincer | 0 | Daughter | — | Ohio |
| 2 | Joseph R. Smith | 54 | Head | Dept. Elec Engr | Ohio |
| 3 | Sardis J. Smith | 47 | Wife | — | Ohio |
| 4 | Auda M. Daugherty | 50 | Mother | Housekeeper | Ohio |
| 5 | Nancy H. Daugherty | 22 | Daughter | Stenographer | Ohio |
| 6 | Clara D. Schneider | 58 | Head | Housekeeper | Indiana |
| 7 | Clara E. Schneider | 22 | Daughter | Stenographer | Ohio |
| 8 | Howard T. Rogers | 36 | Head | Minister | New York |
| 9 | Alma J. Rogers | 30 | Wife | Housewife | New York |
| 10 | Irma Rogers | 3 | Daughter | — | Ohio |
| 11 | Anna Rogers | 66 | Mother | — | New York |
| 12 | Huss Endo Block | None | 1000 | — | — |
| 13 | George J. Abella | 61 | Head | Salesman | Syria |
| 14 | Cora M. Abella | 63 | Wife | — | Ohio |
| 15 | George R. Abella | 26 | Son | Beautician | Ohio |
| 16 | Leon G. Twofad | 36 | Head | Civil Engr | Ohio |
| 17 | Winifred D. Twofad | 33 | Wife | Housewife | Ohio |
| 18 | Leon E. Twofad | 9 | Son | Student | Ohio |
| 19 | Beverly K. Twofad | 4 | Daughter | — | Ohio |
| 20 | Irene Fogle | 63 | Mother-in-law | Housewife | Ohio |
| 21 | Joseph H. Cavanaugh | 40 | Head | Baker | Ohio |
| 22 | Mary A. Cavanaugh | 39 | Wife | Housewife | Ohio |
| 23 | Thomas E. Cavanaugh | 16 | Son | Laborer | Ohio |
| 24 | James P. Cavanaugh THIS PERSON | 14 | Son | — | Ohio |
| 25 | Richard B. Cavanaugh | 13 | Son | — | Ohio |
| 26 | Ruth A. Cavanaugh | 10 | Daughter | — | Ohio |
| 27 | John Francis Cavanaugh | 7 | Son | — | Ohio |
| 28 | Donald J. Cavanaugh | 3 | Son | — | Ohio |
| 29 | Dorothy L. Cavanaugh | 3 | Daughter | — | Ohio |
| 30 | Charles A. Beimer | 75 | Father-in-law | Laborer (Ret) | Ohio |
| 31 | Goldie C. Ward | 49 | Sister-in-law | Nurse Girl | Ohio |
| 32 | Harold W. Haus | 40 | Head | Battery Dealer | Pennsylvania |
| 33 | Clara Haus | 63 | Mother | Housewife | Pennsylvania |
| 34 | John D. Barricklow | 32 | Head | Teacher | Ohio |
| 35 | Pauline W. Barricklow | 30 | Wife | Housewife | Ohio |
| 36 | Carol A. Barricklow | 2 | Daughter | — | Ohio |
| 37 | Protilla M. Williamson | 58 | Head | Housekeeper | Ohio |
| 38 | Estella A. Williamson | 58 | Sister | Teacher | Ohio |
| 39 | Stella A. Fisher | 62 | Head | Housekeeper | Ohio |
| 40 | Arthur B. Gauley | 54 | Head | Contractor | Ohio |
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)