JC
James Cavanaugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, Pennsylvania
Our Model Tree links this James Cavanaugh across the 1930 and 1940 US Censuses in Erie-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, Pennsylvania |
| Surname | Cavanaugh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Erie |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| Catherine Cavanaugh | Daughter | — | 14 | ~1926 |
| James Cavanaugh | Son | — | 19 | ~1921 |
| Louis Cavanaugh | Head | — | 47 | ~1893 |
| Marian Cavanaugh | Daughter | — | 17 | ~1923 |
| Lillian Cavanaugh | Son | — | 16 | ~1924 |
| Inez Cavanaugh | Spouse | — | 47 | ~1893 |
| Louis Cavanaugh | Son | — | 8 | ~1932 |
| Thomas Cavanaugh | Son | — | 12 | ~1928 |
Census Appearances
1930
Erie, Pennsylvania
Son, age 9
Erie, Pennsylvania · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Industry | School |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, Pennsylvania
Son, age 19
Erie-County, Pennsylvania · implied b. ~1921 — 8 household members
| Surname | Cavanaugh |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Lillian Cavanaugh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Cavanaugh
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Cavanaugh
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cavanaugh
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Cavanaugh
Sibling · 1940 · age 14
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 — Erie-County, Pennsylvania
Open full size
1940 US Federal Census — Erie-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03647-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Patros | 46 | Lodger | Restaurant | Greece |
| 42 | Carl Cronquist | 52 | Lodger | Cars Inspector | Sweden |
| 43 | Raydel Hughson | 52 | Nephew | Wood-Worker | Pennsylvania |
| 44 | Louis Cavanaugh | 47 | Head | Oiler | Pennsylvania |
| 45 | Inez Cavanaugh | 47 | Wife | — | Pennsylvania |
| 46 | James Cavanaugh THIS PERSON | 19 | Son | — | Pennsylvania |
| 47 | Marian Cavanaugh | 17 | Daughter | — | Pennsylvania |
| 48 | Lillian Cavanaugh | 16 | Son | — | Pennsylvania |
| 49 | Catherine Cavanaugh | 14 | Daughter | Paper Route | Pennsylvania |
| 50 | Thomas Cavanaugh | 12 | Son | — | Pennsylvania |
| 51 | Louis Cavanaugh | 8 | Son | — | Pennsylvania |
| 52 | Edward Pett | 32 | Head | Asst Cashier | Pennsylvania |
| 53 | Gwendolyn Pett | 29 | Wife | — | New York |
| 54 | Edward Vincent | 63 | Head | Sales Manager | Pennsylvania |
| 55 | Stella Vincent | 61 | Wife | — | Pennsylvania |
| 56 | Peter Christos | 40 | Head | Cleaning & Shoe Shine | Greece |
| 57 | Anna Christos | 36 | Wife | — | Greece |
| 58 | Bessie Christos | 15 | Daughter | — | Pennsylvania |
| 59 | Nicholas Christos | 13 | Son | — | Pennsylvania |
| 60 | George Christos | 12 | Son | — | Pennsylvania |
| 61 | Mary Christos | 7 | Daughter | — | Pennsylvania |
| 62 | Philip Taylor | 40 | Head | Stockroom | Pennsylvania |
| 63 | Ruth Taylor | 24 | Wife | — | Pennsylvania |
| 64 | Henry Kleinbauer | 61 | Head | Teamster | Germany |
| 65 | J. R. Rowland | 40 | Head | Sub-Contractor | Ohio |
| 66 | Gertrude Filley | 35 | Head | Waitress | Pennsylvania |
| 67 | Esther Filley | 15 | Daughter | — | Pennsylvania |
| 68 | Charlotte Anderson | 37 | Head | — | Pennsylvania |
| 69 | August Judd | 41 | Head | Machinist | Pennsylvania |
| 70 | Charles Udeney | 48 | Head | Shipping Clerk | New York |
| 71 | Hazel Udeney | 42 | Wife | Apt. Rooming House | Ohio |
| 72 | Charles Udeney | 12 | Son | — | Pennsylvania |
| 73 | Marjorie Udeney | 2 | Daughter | — | Pennsylvania |
| 74 | Elizabeth Bliley | 33 | Daughter | — | Pennsylvania |
| 75 | Charles Pappas | 44 | Lodger | — | Greece |
| 76 | Carl Anderson | 29 | Lodger | Counterman | Pennsylvania |
| 77 | Fred Pleger | 45 | Lodger | Waiter | Pennsylvania |
| 78 | Allen Bertal | 36 | Lodger | Tool Maker | Pennsylvania |
| 79 | H. J. Ringerter | 49 | Lodger | Service Man | Pennsylvania |
| 80 | Edward Nelson | 21 | Lodger | Counter Clerk | Pennsylvania |
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)