JP
John Pollock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this John Pollock across the 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Pollock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Marianna Borough |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Marianna Borough |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gladys Pollock | Daughter | — | 3 | ~1937 |
| Veronica Pollock | Daughter | — | ~1940 | |
| John Pollock | Son | — | 16 | ~1924 |
| John Pollock | Head | — | 45 | ~1895 |
| Viola Pollock | Daughter | — | 14 | ~1926 |
| William Pollock | Son | — | 12 | ~1928 |
| Mary Pollock | Daughter | — | 5 | ~1935 |
| Anna Pollock | Spouse | — | 40 | ~1900 |
| Paul Pollock | Son | — | 10 | ~1930 |
Census Appearances
1930
Washington, Pennsylvania
Son, age 6
Washington, Pennsylvania · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pellick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Czecho Slovakia |
| Mother's Birthplace | Czecho Slovakia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Son, age 16
Washington-County, Pennsylvania · implied b. ~1924 — 9 household members
| Surname | Pollock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Marianna Borough |
| 1935 Residence (County) | Washington |
| Highest Grade | Hs 2 |
| 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 Pollock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Pollock
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Mary Pollock
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Pollock
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Pollock
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Pollock
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Pollock
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Pollock
Sibling · 1940 · age
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03624-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Myrtle Wright | 10 | Daughter | — | Pennsylvania |
| 42 | James Wright | 8 | Son | — | Pennsylvania |
| 43 | Idella Wright | 6 | Daughter | — | Pennsylvania |
| 44 | Loyd Wright | 5 | Son | — | Pennsylvania |
| 45 | Steve Borland | 52 | Head | Miner | Pennsylvania |
| 46 | Elizabeth Borland | 42 | Wife | — | Scotland |
| 47 | Betty Borland | 19 | Daughter | Saleslady | West Virginia |
| 48 | Jessie Borland | 17 | Daughter | — | West Virginia |
| 49 | Jeanette Borland | 12 | Daughter | — | Pennsylvania |
| 50 | Edith Borland | 10 | Daughter | — | Pennsylvania |
| 51 | Robert Borland | 8 | Son | — | Pennsylvania |
| 52 | John Pollock | 45 | Head | Miner | Czechoslovakia |
| 53 | Anna Pollock | 40 | Wife | — | Czechoslovakia |
| 54 | John Pollock THIS PERSON | 16 | Son | — | Pennsylvania |
| 55 | Viola Pollock | 14 | Daughter | — | Pennsylvania |
| 56 | William Pollock | 12 | Son | — | Pennsylvania |
| 57 | Paul Pollock | 10 | Son | — | Pennsylvania |
| 58 | Mary Ann Pollock | 5 | Daughter | — | Pennsylvania |
| 59 | Gladys Pollock | 3 | Daughter | — | Pennsylvania |
| 60 | Veronica Pollock | 0 | Daughter | — | Pennsylvania |
| 61 | Robert Mcmurray | 34 | Head | Miner | Pennsylvania |
| 62 | Alice Mcmurray | 33 | Wife | — | Pennsylvania |
| 63 | Martha Mcmurray | 16 | Daughter | — | Pennsylvania |
| 64 | Dorothy Mcmurray | 13 | Daughter | — | Pennsylvania |
| 65 | Robert Mcmurray | 11 | Son | — | West Virginia |
| 66 | John Mcmurray | 9 | Son | — | Pennsylvania |
| 67 | Victor Mcmurray | 5 | Son | — | Pennsylvania |
| 68 | Charles A. Thomas | 35 | Head | Motorman | California |
| 69 | Charles W. Thomas | 12 | Son | — | West Virginia |
| 70 | Charles J. Thomas | 56 | Head | Wayman | Pennsylvania |
| 71 | Martha Thomas | 52 | Wife | — | Pennsylvania |
| 72 | Robert Thomas | 20 | Head | — | Pennsylvania |
| 73 | Betty Thomas | 18 | Wife | — | Pennsylvania |
| 74 | Robert F. Thomas | 0 | Son | — | Pennsylvania |
| 75 | Steve Maziata | 41 | Head | Shotfire | Pennsylvania |
| 76 | Anna Maziata | 36 | Wife | — | Pennsylvania |
| 77 | Edward Maziata | 19 | Son | — | Pennsylvania |
| 78 | Marcella Maziata | 8 | Daughter | — | Pennsylvania |
| 79 | Robert Handas | 30 | Head | Shotfire | Pennsylvania |
| 80 | Ruth Handas | 27 | Wife | — | 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)