JP
John Prince — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rensselaer-County, New York
Our Model Tree links this John Prince across the 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 8-person household.
Age 35
b. ~1905
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rensselaer-County, New York |
| Surname | Prince |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Troy city |
| 1935 Residence (County) | Rensselaer |
| Additional Details | |
| Occupation | Machinist helper |
| Industry | R.R. motive |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1400 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Machinist Helper |
| Township / Ward | Troy City |
| Est. Birth Year | ~1905 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Frank Prince | Son | — | 16 | ~1924 |
| Michael Prince | Son | — | 27 | ~1913 |
| Helen Szczepkowski | Daughter | — | 23 | ~1917 |
| Joseph Prince | Son | — | 18 | ~1922 |
| John Prince | Son | — | 35 | ~1905 |
| Stanley Szczepkowski | Other | — | 27 | ~1913 |
| Mary Prince | Spouse | — | 57 | ~1883 |
| Frank Prince | Head | — | 64 | ~1876 |
Census Appearances
1930
Rensselaer, New …
Son, age 23
Rensselaer, New York · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prince |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Secretary |
| Industry | Electric Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rensselaer-County, New …
Son, age 35
Rensselaer-County, New York · implied b. ~1905 — 8 household members
| Surname | Prince |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Troy city |
| 1935 Residence (County) | Rensselaer |
| Occupation | Machinist helper |
| Industry | R.R. motive |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1400 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Prince across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Prince
Son · 1940 · age 35 · b. ~1905 · New York
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Sibling
Frank Prince
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Szczepkowski
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Prince
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Prince
Sibling · 1940 · age 27
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 — Rensselaer-County, New York
Open full size
1940 US Federal Census — Rensselaer-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02758-00855)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Prince | 64 | Head | — | Poland |
| 2 | Mary Prince | 57 | Wife | — | Poland |
| 3 | John Prince THIS PERSON | 35 | Son | Machinist Helper | New York |
| 4 | Michael Prince | 27 | Son | Machinist Helper | New York |
| 5 | Joseph Prince | 18 | Son | New Worker | New York |
| 6 | Frank Jr. Prince | 16 | Son | New Worker | New York |
| 7 | Stanley Szczepkowski | 27 | Son in law | Laborer | New York |
| 8 | Helen Szczepkowski | 23 | Daughter | Presser | New York |
| 9 | Stanley Milos | 30 | Head | Smokehouse Foreman | New York |
| 10 | Julia Milos | 29 | Wife | — | New York |
| 11 | Stanley Jr. Milos | 2 | Son | — | New York |
| 12 | Josephine Store | 57 | Head | Sorter | Poland |
| 13 | Stasia Store | 24 | Daughter | — | New York |
| 14 | John Whaley | 26 | Head | Salesman | New York |
| 15 | Nora Whaley | 24 | Wife | Cuff Turner | New York |
| 16 | Betty Ann Whaley | 2 | Daughter | — | New York |
| 17 | Frank Milos | 60 | Head | Clerk | Poland |
| 18 | Caroline Milos | 50 | Wife | Proprietor | Poland |
| 19 | Helen Roszdy | 22 | Daughter | Ironer | New York |
| 20 | Josephine Roszdy | 18 | Step daughter | Folder | New York |
| 21 | Stanley Roszdy | 16 | Step son | — | New York |
| 22 | Dolores Roszdy | 14 | Step daughter | — | New York |
| 23 | Kasimir Roszdy | 9 | Step son | — | New York |
| 25 | Gus W. Thompson | 53 | Head | Carpenter | New York |
| 26 | Regina Thompson | 63 | Wife | — | New York |
| 27 | Theodore Thompson | 25 | Son | Laborer | New York |
| 28 | George Thompson | 23 | Son | Apprentice Carpenter | New York |
| 29 | Edward Thompson | 21 | Son | Laborer | New York |
| 30 | John F. Quillinan | 30 | Head | Laborer | New York |
| 31 | Catherine Quillinan | 30 | Wife | — | New York |
| 32 | Joan Quillinan | 8 | Daughter | — | New York |
| 33 | John Quillinan | 6 | Son | — | New York |
| 34 | Marilyn Quillinan | 2 | Daughter | — | New York |
| 35 | Helen Kern | 37 | Head | — | New York |
| 36 | William Kern | 13 | Son | — | New York |
| 37 | Walter Smalsky | 33 | Head | Machinist Helper | New York |
| 38 | Frances Smalsky | 33 | Wife | — | New York |
| 39 | Mary Smalsky | 12 | Daughter | — | New York |
| 40 | Frances Smalsky | 7 | Daughter | — | New York |
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)