MP
Mary Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Post across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Post |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Inspector |
| Industry | Rubber Mfg. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1316 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Inspector |
| Township / Ward | Passaic City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harold Post | Son | — | 11 | ~1929 |
| Mary Post | Spouse | — | 44 | ~1896 |
| Clarence Post | Head | — | 41 | ~1899 |
| Dorothy Post | Daughter | — | 18 | ~1922 |
| William Post | Son | — | 14 | ~1926 |
Census Appearances
1930
Passaic, New …
Spouse, age 34
Passaic, New Jersey · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 18 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Spouse, age 44
Passaic-County, New Jersey · implied b. ~1896 — 5 household members
| Surname | Post |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Occupation | Inspector |
| Industry | Rubber Mfg. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1316 |
| Highest Grade | H-4 |
| 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 Mary Post across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Post
Spouse · 1940 · age 44 · b. ~1896 · New Jersey
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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-t0627-02378-00103)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pauline S. King | 29 | Wife | Teacher | New Jersey |
| 2 | Paul King | 2 | Son | — | New Jersey |
| 3 | Arthur B. De Tree | 45 | Head | Salesman | New York |
| 4 | Anna De Tree | 47 | Wife | — | New York |
| 5 | Jane De Tree | 14 | Daughter | — | New York |
| 6 | Julia Ennell | 74 | House Help | Companion | New York |
| 7 | Alice Dickson | 79 | Mother | — | New York |
| 8 | Frederick M. Starr | 33 | Head | Executive | Mass. |
| 9 | Eleanor Starr | 30 | Wife | — | Illinois |
| 10 | Ann Shinnick | 67 | Maid | Maid | Ohio |
| 11 | James T. O'Connor | 61 | Head | Salesman | New Jersey |
| 12 | Mary B. O'Connor | 57 | Wife | — | Indiana |
| 13 | Joseph E. O'Connor | 20 | Son | Clerk-Shipping | New Jersey |
| 14 | Sol Hegman | 40 | Head | Pl. Owner | Russia |
| 15 | Rebecca S. Hegman | 34 | Wife | — | New York |
| 16 | Linda Hegman | 10 | Daughter | — | New York |
| 17 | Norma Hegman | 8 | Son | — | New Jersey |
| 18 | David Hegman | 4 | Son | — | New Jersey |
| 19 | John N. Finley | 58 | Head | Buyer | New Jersey |
| 20 | Bella Finley | 55 | Wife | — | Penn. |
| 21 | Tina Hecht | 42 | Maid | Maid | Germany |
| 22 | John M. Fleming | 37 | Head | Chauffeur | New Jersey |
| 23 | Elizabeth S. Fleming | 33 | Wife | — | Holland |
| 24 | John Fleming | 13 | Son | — | New Jersey |
| 25 | Alice Fleming | 10 | Daughter | — | New Jersey |
| 26 | Marie Fleming | 6 | Daughter | — | New Jersey |
| 27 | William Fleming | 5 | Son | — | New Jersey |
| 28 | Caroline Fleming | 65 | Mother-in-law | — | Holland |
| 29 | Clarence Post | 41 | Head | Janitor | New Jersey |
| 30 | Mary Post THIS PERSON | 44 | Wife | Inspector | New Jersey |
| 31 | Dorothy Post | 18 | Daughter | Ins. Machine Operator | New Jersey |
| 32 | William Post | 14 | Son | — | New Jersey |
| 33 | Harold Post | 11 | Son | — | New Jersey |
| 34 | Frank Post | 73 | Head | Laborer | New Jersey |
| 35 | Madeline Post | 60 | Wife | — | Germany |
| 36 | Edith Vreeland | 25 | Daughter | Millhand | New Jersey |
| 37 | Steven Vreeland | 5 | Son | — | New Jersey |
| 38 | Edith Vreeland | 3 | Daughter | — | New Jersey |
| 39 | Francis Vreeland | 1 | Son | — | New Jersey |
| 40 | George Schuerman | 61 | Head | Farmer | New Jersey |
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)