WP
William Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Post across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Post |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Coraopolis Borough |
| Est. Birth Year | ~1885 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Post | Daughter | — | 18 | ~1922 |
| Harry Post | Son | — | 20 | ~1920 |
| William Post | Head | — | 55 | ~1885 |
| Jane Post | Daughter | — | 15 | ~1925 |
| Jennie Post | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 35
Allegheny, Pennsylvania · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | Wire mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 45
Allegheny, Pennsylvania · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Planing Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 55
Allegheny-County, Pennsylvania · implied b. ~1885 — 5 household members
| Surname | Post |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 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 William Post across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Post
Head · 1940 · age 55 · b. ~1885 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03401-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Zimmerman | 24 | Wife | — | Pennsylvania |
| 2 | Margaret Mary Zimmerman | 0 | Daughter | — | Pennsylvania |
| 3 | Royal Zimmerman | 27 | Brother | Laborer | Pennsylvania |
| 4 | Raymond Bell | 45 | Head | Laborer | Pennsylvania |
| 5 | Marie Bell | 36 | Wife | — | Pennsylvania |
| 6 | Charles Bell | 16 | Son | — | Pennsylvania |
| 7 | Rose Marie Bell | 14 | Daughter | — | Pennsylvania |
| 8 | Virginia Bell | 12 | Daughter | — | Pennsylvania |
| 9 | William Bell | 10 | Son | — | Pennsylvania |
| 10 | Betty Jane Bell | 7 | Daughter | — | Pennsylvania |
| 11 | Mary Lou Bell | 4 | Daughter | — | Pennsylvania |
| 12 | Robert Bell | 2 | Son | — | Pennsylvania |
| 13 | James Bell | 1 | Son | — | Pennsylvania |
| 14 | Walter Cummiskey | 29 | Head | Painter | Pennsylvania |
| 15 | Olive Cummiskey | 24 | Wife | — | Pennsylvania |
| 16 | Walter Jr Cummiskey | 3 | Son | — | Pennsylvania |
| 17 | Nancy Cummiskey | 2 | Daughter | — | Pennsylvania |
| 18 | Matilda Moore | 60 | Head | — | Germany |
| 19 | Joseph Moore | 34 | Son | Car Packer | Pennsylvania |
| 20 | Frank Smircar | 33 | Head | Puncher | Austria |
| 21 | Marie Smircar | 25 | Wife | — | Pennsylvania |
| 22 | Harriet Smircar | 1 | Daughter | — | Pennsylvania |
| 23 | Joseph Caruso | 26 | Head | Truck Driver | West Virginia |
| 24 | Antoinette Caruso | 26 | Wife | — | Pennsylvania |
| 25 | Alfred Ferry | 31 | Head | Truck Driver | Pennsylvania |
| 26 | Esther Ferry | 28 | Wife | — | Pennsylvania |
| 27 | Alfred Jr Ferry | 9 | Son | — | Pennsylvania |
| 28 | Ronald Ferry | 7 | Son | — | Pennsylvania |
| 29 | Lillian Ferry | 5 | Daughter | — | Pennsylvania |
| 30 | Eugene Ferry | 2 | Son | — | Pennsylvania |
| 31 | William Post THIS PERSON | 55 | Head | Laborer | Pennsylvania |
| 32 | Jennie Post | 50 | Wife | — | Pennsylvania |
| 33 | Harry Post | 20 | Son | Laborer | Pennsylvania |
| 34 | Margaret Post | 18 | Daughter | — | Pennsylvania |
| 35 | Jane Post | 15 | Daughter | — | Pennsylvania |
| 36 | Edward Creese | 37 | Head | Laborer | Pennsylvania |
| 37 | Julia Creese | 38 | Wife | — | Pennsylvania |
| 38 | Edward Jr Creese | 15 | Son | — | Washington DC |
| 39 | Betty Creese | 13 | Daughter | — | Pennsylvania |
| 40 | Dorothy Creese | 11 | Daughter | — | 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)