JC
John Cavanaugh — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this John Cavanaugh across the 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 2
b. ~1918
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Salem |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cavanaugh | Son | — | 2 | ~1918 |
| Bessie Cavanaugh | Daughter | — | 4 | ~1916 |
| Bernice Cavanaugh | Daughter | — | 10 | ~1910 |
| Geraldine Cavanaugh | Daughter | — | 6 | ~1914 |
| Julia Cavanaugh | Daughter | — | ~1920 | |
| Grace Cavanaugh | Daughter | — | 11 | ~1909 |
| Ellen Cavanaugh | Spouse | — | 40 | ~1880 |
| Alice Cavanaugh | Daughter | — | 9 | ~1911 |
| Timothy Cavanaugh | Head | — | 43 | ~1877 |
| Helen Cavanaugh | Daughter | — | 12 | ~1908 |
Census Appearances
1920
Essex, Massachusetts
Son, age 2
Essex, Massachusetts · implied b. ~1918 — 10 household members
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 13
Essex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kavanagh |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 2 US Census years (1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Cavanaugh
Son · 1920 · age 2 · b. ~1918 · Massachusetts
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Sibling
Julia Cavanaugh
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cavanaugh
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cavanaugh
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Cavanaugh
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Cavanaugh
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Cavanaugh
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Cavanaugh
Sibling · 1920 · age 4
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
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu696unit:0924)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thos J Ray | 43 | Head | Foreman | Massachusetts |
| 2 | Martha A Ray | 43 | Wife | — | Massachusetts |
| 3 | Percy Ray | 24 | Son | Foreman | Massachusetts |
| 4 | Harold Ray | 18 | Son | Helper | Massachusetts |
| 5 | John Mcgreary | 58 | Head | Harness Maker | Canada |
| 6 | Mary E Mcgreary | 58 | Wife | — | Massachusetts |
| 7 | William J O'Brien | 29 | Head | Meat Cutter | Massachusetts |
| 8 | Mary O'Brien | 31 | Wife | — | Massachusetts |
| 9 | Lillian O'Brien | 3 | Daughter | — | Massachusetts |
| 10 | John J Buckley | 48 | Head | Painter | Massachusetts |
| 11 | Annie Buckley | 35 | Wife | — | Massachusetts |
| 12 | John Joseph J Buckley | 15 | Son | — | Massachusetts |
| 13 | Anna J Buckley | 21 | Daughter | Packer | Massachusetts |
| 14 | Mary E Buckley | 16 | Daughter | Stitcher | Massachusetts |
| 15 | Catherine Buckley | 7 | Daughter | — | Massachusetts |
| 16 | Timothy E Cavanaugh | 43 | Head | Lineman | Massachusetts |
| 17 | Ellen G Cavanaugh | 40 | Wife | — | Massachusetts |
| 18 | Helen Cavanaugh | 12 | Daughter | — | Massachusetts |
| 19 | Grace Cavanaugh | 11 | Daughter | — | Massachusetts |
| 20 | Bernice Cavanaugh | 10 | Daughter | — | Massachusetts |
| 21 | Alice Cavanaugh | 9 | Daughter | — | Massachusetts |
| 22 | Geraldine E Cavanaugh | 6 | Daughter | — | Massachusetts |
| 23 | Bessie Cavanaugh | 4 | Daughter | — | Massachusetts |
| 24 | John Cavanaugh THIS PERSON | 2 | Son | — | Massachusetts |
| 25 | Julia S Cavanaugh | 0 | Daughter | — | Massachusetts |
| 26 | Moses S Herrick | 39 | Head | Clerk | Massachusetts |
| 27 | Hilda Herrick | 18 | Daughter | Helper | Massachusetts |
| 28 | Eleanor Herrick | 16 | Daughter | House-Keeper | Massachusetts |
| 29 | Frank Herrick | 13 | Son | — | Massachusetts |
| 30 | Charles Herrick | 11 | Son | — | Massachusetts |
| 31 | Muriel Herrick | 6 | Daughter | — | Massachusetts |
| 32 | John F Knox | 38 | Head | Yard Clerk | Massachusetts |
| 33 | Teresa Knox | 38 | Wife | — | Massachusetts |
| 34 | Mary M Knox | 12 | Daughter | — | Massachusetts |
| 35 | Herman Scott | 39 | Head | Foundry Worker | Virginia |
| 36 | Mary Scott | 39 | Wife | — | North Carolina |
| 37 | Myrtle Scott | 12 | Daughter | — | Massachusetts |
| 38 | Irene Scott | 8 | Daughter | — | Massachusetts |
| 39 | Pearl Scott | 8 | Daughter | — | Massachusetts |
| 40 | Robert Scott | 7 | Son | — | Massachusetts |
| 41 | Herman Scott | 5 | Son | — | Massachusetts |
| 42 | John E Frolon | 37 | Head | Bevel Heel Cutter | Massachusetts |
| 43 | Elizabeth A Frolon | 36 | Wife | — | Massachusetts |
| 44 | Alice Frolon | 5 | Daughter | — | Massachusetts |
| 45 | Edmond W Boudreau | 54 | Head | Carpenter | Canada |
| 46 | Limpide Boudreau | 50 | Wife | — | Canada |
| 47 | Arthur Boudreau | 27 | Son | Printer | Michigan |
| 48 | Harry Boudreau | 21 | Son | Machinist | Massachusetts |
| 49 | Wilfred Boudreau | 19 | Son | Helper | Canada |
| 50 | Alfred Boudreau | 18 | Son | Helper | Canada |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)