JP
John Pollock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Westchester, New York
Our Model Tree links this John Pollock across the 1930 and 1940 US Censuses in Westchester, New York (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 5
b. ~1925
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Westchester, New York |
| Surname | Pollock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Yonkers City |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Veronica Pollock | Daughter | — | 15 | ~1915 |
| Frank Pollock | Son | — | 13 | ~1917 |
| Michael Pollock | Son | — | 9 | ~1921 |
| John Pollock | Son | — | 5 | ~1925 |
| Mary Pollock | Head | — | 40 | ~1890 |
| Joseph Pollock | Son | — | 7 | ~1923 |
| Julia Pollock | Daughter | — | 2 | ~1928 |
Census Appearances
1930
Westchester, New …
Son, age 5
Westchester, New York · implied b. ~1925 — 7 household members
| Surname | Pollock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rockland-County, New …
Son, age 16
Rockland-County, New York · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollack |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Ramapo |
| 1935 Residence (County) | Rockland |
| Industry | 70 |
| Highest Grade | Yes 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Pollock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Pollock
Son · 1930 · age 5 · b. ~1925 · New York
★ You are viewing this record
Sibling
Julia Pollock
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Pollock
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Pollock
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Pollock
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Pollock
Sibling · 1930 · age 13
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 — Westchester, New York
Open full size
1930 US Federal Census — Westchester, New York
Page Contents
29 people indexed on this census page (ia:1930:newyorkcensus00reel1667:0349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Valk | 40 | Head | — | Poland |
| 2 | Helen Valk | 21 | Daughter | — | New York |
| 3 | John Valk | 20 | Son | Mechanic | New York |
| 4 | Michael Valk | 18 | Son | Baker | New York |
| 5 | Joseph Valk | 18 | Son | Baker | New York |
| 6 | Mary Valk | 16 | Daughter | Presser | New York |
| 7 | George Valk | 7 | Son | — | New York |
| 8 | Mary Pollock | 40 | Head | — | Hungary |
| 9 | Veronica Pollock | 15 | Daughter | — | New York |
| 10 | Frank Pollock | 13 | Son | — | New York |
| 11 | Michael Pollock | 9 | Son | — | New York |
| 12 | Joseph Pollock | 7 | Son | — | New York |
| 13 | John Pollock THIS PERSON | 5 | Son | — | New York |
| 14 | Julia Pollock | 2 | Daughter | — | New York |
| 15 | Harry C. Hess | 44 | Head | Lineman | Pennsylvania |
| 16 | Catherine Hess | 39 | Wife | — | New York State |
| 17 | Ethel Hess | 17 | Daughter | — | Pennsylvania |
| 18 | Henry Hess | 16 | Son | — | Pennsylvania |
| 19 | Joseph Hess | 14 | Son | — | Pennsylvania |
| 20 | Catherine Hess | 13 | Daughter | — | Pennsylvania |
| 21 | William Hess | 12 | Son | — | Pennsylvania |
| 22 | Marion Hess | 9 | Daughter | — | New York State |
| 23 | William Hess | 5 | Son | — | New York State |
| 24 | Morris Barber | 37 | Head | Shoemaker | Russia |
| 25 | Sarah Barber | 60 | Wife | — | Russia |
| 26 | Arthur Horn | 57 | Head | Laborer | New York |
| 27 | Sarah Horn | 57 | Wife | — | New Jersey |
| 28 | Frederick Horn | 15 | Son | Wireman | New York |
| 29 | Robert Horn | 12 | Son | — | New York |
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)