WP
William Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this William Post across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 21
b. ~1919
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 416 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Attendant |
| Township / Ward | Prospect Park Borough |
| Est. Birth Year | ~1919 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Henry Post | Son | — | 23 | ~1917 |
| Velma Post | Daughter | — | 15 | ~1925 |
| Metilda Post | Spouse | — | 47 | ~1893 |
| Katherine Post | Daughter | — | 15 | ~1925 |
| Samuel Post | Son | — | 18 | ~1922 |
| William Post | Son | — | 21 | ~1919 |
| Muriel Post | Daughter | — | 14 | ~1926 |
| Albert Post | Son | — | 17 | ~1923 |
| Agnes Post | Daughter | — | 20 | ~1920 |
| Samuel Post | Head | — | 49 | ~1891 |
| Leroy Post | Son | — | 11 | ~1929 |
Census Appearances
1930
Passaic, New …
Son, age 11
Passaic, New Jersey · implied b. ~1919 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Netherlands |
| Mother's Birthplace | Netherlands |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Son, age 21
Passaic-County, New Jersey · implied b. ~1919 — 11 household members
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Passaic |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 416 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 William Post across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Post
Son · 1940 · age 21 · b. ~1919 · New Jersey
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Sibling
Samuel Post
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Post
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Post
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Post
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Post
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Post
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Post
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Post
Sibling · 1940 · age 11
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02379-00155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | May Post | 19 | Daughter | Mender | New Jersey |
| 2 | Raymond Post | 17 | Son | — | New Jersey |
| 3 | George Post | 12 | Son | — | New Jersey |
| 4 | Samuel Post | 49 | Head | Carpenter | New Jersey |
| 5 | Metilda Post | 47 | Wife | — | Holland |
| 6 | Henry Post | 23 | Son | Silk Finisher | New Jersey |
| 7 | William Post THIS PERSON | 21 | Son | Attendant | New Jersey |
| 8 | Agnes Post | 20 | Daughter | Feeder | New Jersey |
| 9 | Samuel Post | 18 | Son | New Worker | New Jersey |
| 10 | Albert Post | 17 | Son | — | New Jersey |
| 11 | Velma M. Post | 15 | Daughter | — | New Jersey |
| 12 | Katherine J. Post | 15 | Daughter | — | New Jersey |
| 13 | Muriel Post | 14 | Daughter | — | New Jersey |
| 14 | Leroy J. Post | 11 | Son | — | New Jersey |
| 15 | Richard Post | 25 | Head | Fuller | New Jersey |
| 16 | Minnie Post | 24 | Wife | — | New Jersey |
| 17 | Cyrus Kivit | 58 | Father-in-law | — | Holland |
| 18 | Samuel Rooze | 36 | Head | Commercial Body | New Jersey |
| 19 | Elizabeth Rooze | 28 | Wife | — | New Jersey |
| 20 | Arthur Rooze | 4 | Son | — | New Jersey |
| 21 | Elizabeth N. Rooze | 2 | Daughter | — | New Jersey |
| 22 | James Rooze | 71 | Father | Plant Supt. | Holland |
| 23 | Walter Beverluis | 50 | Head | Proprietor | Holland |
| 24 | Harry Beverluis | 25 | Son | Salesman | New Jersey |
| 25 | Adrian Beverluis | 21 | Son | Baker | New Jersey |
| 26 | William Beverluis | 20 | Son | Repair Clerk | New Jersey |
| 27 | Anna Beverluis | 17 | Daughter | — | New Jersey |
| 28 | Peter Beverluis | 16 | Son | Mechanic | New Jersey |
| 29 | Hattie Beverluis | 13 | Daughter | — | New Jersey |
| 30 | Bert Van Houten | 42 | Head | Pattern Maker | New Jersey |
| 31 | Nel Van Houten | 27 | Wife | — | New Jersey |
| 32 | Stanley Vreeland | 58 | Head | Weaver | New Jersey |
| 33 | Christina Vreeland | 53 | Wife | — | New Jersey |
| 34 | Jacob J. Vreeland | 32 | Son | Mechanic | New Jersey |
| 35 | Stanley C. Schultis | 29 | Step-son | Clerk | New Jersey |
| 36 | James Doughty | 45 | Head | Dyer'S Helper | New Jersey |
| 37 | Helen Doughty | 36 | Wife | — | New Jersey |
| 38 | Allan Doughty | 12 | Son | — | New Jersey |
| 39 | David J. Foster | 50 | Head | Weaving | Scotland |
| 40 | Olivia R. Foster | 56 | Wife | — | 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)