JC
John Cavanaugh — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Cavanaugh across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1920), then head of a 5-person household.
Age 10
b. ~1920
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | 脑 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cavanaugh | Son | — | 10 | ~1920 |
| Rita Cavanaugh | Daughter | — | 12 | ~1918 |
| Mary Cavanaugh | Spouse | — | 38 | ~1892 |
| Mary Cavanaugh | Daughter | — | 14 | ~1916 |
| James Cavanaugh | Head | — | 41 | ~1889 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 5 household members
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Home Owned/Rented | 脑 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 20
Philadelphia-County, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanagh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Worker |
| Class of Worker | 600 |
| Hours Worked | 52 |
| Highest Grade | No 10 |
| 1935 Residence | Same Place |
| 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 John Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cavanagh (~0.92 confidence) and father James Cavanaugh (~0.92 confidence) and mother Mary Cavanaugh (~0.92 confidence) and mother Grace Cavanaugh (~0.92 confidence) and mother Jennie Cavanaugh (~0.92 confidence) and father John Cavanaugh (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cavanagh
b. ~1877
Source father
● Household
· direct · ~0.92
Father
James Cavanaugh
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Cavanaugh
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Grace Cavanaugh
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Jennie Cavanaugh
b. ~1899
Source mother
● Household
· direct · ~0.92
Father
John Cavanaugh
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Cavanaugh
Son · 1930 · age 10 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Mary Cavanaugh
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Cavanaugh
Sibling · 1930 · age 12
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2126:0714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | — | 67 | Head | — | Pennsylvania |
| 52 | Sarah Bennett | 61 | Sister-in-law | — | Pennsylvania |
| 53 | John O'Malley | 58 | Head | Butler | Irish Free State |
| 54 | Margaret O'Malley | 55 | Wife | — | Irish Free State |
| 55 | Martha O'Malley | 21 | Daughter | — | Pennsylvania |
| 56 | Martha Just | 45 | Head | — | Pennsylvania |
| 57 | Martha Salter | 21 | Daughter | — | Pennsylvania |
| 58 | John Salter | 19 | Son | — | Pennsylvania |
| 59 | William Salter | 17 | Son | — | Pennsylvania |
| 60 | Woodrow Salter | 14 | Son | — | Pennsylvania |
| 61 | James Cavanaugh | 41 | Head | Clerk | Pennsylvania |
| 62 | Mary Cavanaugh | 38 | Wife | — | Pennsylvania |
| 63 | Mary Cavanaugh | 14 | Daughter | — | Pennsylvania |
| 64 | Rita Cavanaugh | 12 | Daughter | — | Pennsylvania |
| 65 | John Cavanaugh THIS PERSON | 10 | Son | — | Pennsylvania |
| 66 | Charles Claus | 27 | Head | Chauffeur | Pennsylvania |
| 67 | Mary Claus | 26 | Wife | — | Pennsylvania |
| 68 | Ward | 42 | Head | Laborer | Pennsylvania |
| 69 | Ward | 40 | Wife | — | Pennsylvania |
| 70 | Ward | 18 | Daughter | — | Pennsylvania |
| 71 | Ward | 16 | Daughter | — | Pennsylvania |
| 72 | Ward | 14 | Son | — | Pennsylvania |
| 73 | Smith | 35 | Head | Laborer | Pennsylvania |
| 74 | Smith | 32 | Wife | — | Pennsylvania |
| 75 | Smith | 8 | Daughter | — | Pennsylvania |
| 76 | Smith | 6 | Son | — | Pennsylvania |
| 77 | Smith | 4 | Daughter | — | Pennsylvania |
| 78 | Snyder | 28 | Head | Chauffeur | Pennsylvania |
| 79 | Snyder | 26 | Wife | — | Pennsylvania |
| 80 | Snyder | 4 | Daughter | — | Pennsylvania |
| 81 | Snyder | 2 | Son | — | Pennsylvania |
| 82 | Stewart | 40 | Head | Conductor | Pennsylvania |
| 83 | Stewart | 38 | Wife | — | Pennsylvania |
| 84 | Thomas Linehan | 37 | Head | Clerk | Pennsylvania |
| 85 | Mary Linehan | 35 | Wife | — | Pennsylvania |
| 86 | Thomas Linehan | 10 | Son | — | Pennsylvania |
| 87 | John Linehan | 8 | Son | — | Pennsylvania |
| 88 | Joseph Linehan | 4 | Son | — | Pennsylvania |
| 89 | Catherine Linehan | 2 | Daughter | — | Pennsylvania |
| 90 | John Flynn | 42 | Head | House Painter | Irish Free State |
| 91 | Grace Flynn | 37 | Wife | — | Pennsylvania |
| 92 | James Caldwell | 60 | Boarder | Laborer | Pennsylvania |
| 93 | Joseph Morabito | 43 | Head | Barber | Italy |
| 94 | Mary Morabito | 39 | Wife | — | Pennsylvania |
| 95 | Joseph Morabito | 15 | Son | — | Pennsylvania |
| 96 | John Morabito | 13 | Son | — | Pennsylvania |
| 97 | Vincent Morabito | 8 | Son | — | Pennsylvania |
| 98 | Virginia Morabito | 7 | Daughter | — | Pennsylvania |
| 99 | Theresa Morabito | 6 | Daughter | — | Pennsylvania |
| 100 | Rose Morabito | 3 | Daughter | — | Pennsylvania |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)