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 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 9-person household.
Age 29
b. ~1911
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Trackman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Trackman |
| Township / Ward | Baldwin Township |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Alice Post | Spouse | — | 53 | ~1887 |
| Harry Post | Head | — | 62 | ~1878 |
| Stanley Post | Son | — | 19 | ~1921 |
| William Post | Son | — | 29 | ~1911 |
| Julia Post | Daughter | — | 17 | ~1923 |
| Frank Post | Son | — | 22 | ~1918 |
| Jennie Post | Daughter | — | 16 | ~1924 |
| Alice Post | Daughter | — | 2 | ~1938 |
| Henry Post | Son | — | 27 | ~1913 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Gasoline Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 29
Allegheny-County, Pennsylvania · implied b. ~1911 — 9 household members
| Surname | Post |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Occupation | Trackman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 750 |
| Highest Grade | No 8 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Post
Son · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Julia Post
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Post
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Post
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Post
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Post
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Post
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 — 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-t0627-03397-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David M Buckley | 15 | Son | — | Pennsylvania |
| 2 | Harry Post | 62 | Head | Watchman | Pennsylvania |
| 3 | Alice Post | 53 | Wife | — | Czecho-Slovakia |
| 4 | William Post THIS PERSON | 29 | Son | Trackman | Pennsylvania |
| 5 | Henry Post | 27 | Son | Trackman | Pennsylvania |
| 6 | Frank Post | 22 | Son | Laborer | Pennsylvania |
| 7 | Stanley Post | 19 | Son | Miner | Pennsylvania |
| 8 | Julia Post | 17 | Daughter | — | Pennsylvania |
| 9 | Jennie Post | 16 | Daughter | — | Pennsylvania |
| 10 | Alice Post | 2 | Daughter | — | Pennsylvania |
| 11 | Gerhard Lanz | 51 | Head | Laborer | Germany |
| 12 | Adelheid Lanz | 44 | Wife | — | Germany |
| 13 | Robert S Lanz | 23 | Son | Baker | Germany |
| 14 | Godfried Lanz | 20 | Son | Helper | Germany |
| 15 | Gertrud Lanz | 15 | Daughter | — | Germany |
| 16 | Martin Hadick | 45 | Head | Laborer | Russia |
| 17 | Mary Hadick | 47 | Wife | — | Russia |
| 18 | Mary Hadick | 17 | Daughter | — | Pennsylvania |
| 19 | Frank Hadick | 15 | Son | — | Pennsylvania |
| 20 | Mike Hadick | 13 | Son | — | Pennsylvania |
| 21 | Albert Kern | 41 | Head | Laborer | Pennsylvania |
| 22 | Dolly Kern | 31 | Wife | — | Pennsylvania |
| 23 | Nora Kern | 14 | Daughter | — | Pennsylvania |
| 24 | Margaret Kern | 12 | Daughter | — | Pennsylvania |
| 25 | Alberta Kern | 9 | Daughter | — | Pennsylvania |
| 26 | Edward Kern | 8 | Son | — | Pennsylvania |
| 27 | Grady Brooks | 24 | Brother-in-law | Laborer | Tennessee |
| 28 | Alva Perry | 69 | Head | — | Tennessee |
| 29 | Clyde Starkey | 25 | Lodger | Engineer | Tennessee |
| 30 | James Bailey | 67 | Head | Selling | New York |
| 31 | Fred Bailey | 38 | Son | Ironworker | Massachusetts |
| 32 | Fred Nallradt | 36 | Head | Truckdriver | Germany |
| 33 | Clara Nallradt | 38 | Wife | — | Germany |
| 34 | Elsie Nallradt | 11 | Daughter | — | Pennsylvania |
| 35 | Helen Nallradt | 8 | Daughter | — | Pennsylvania |
| 36 | Elmer Eger | 37 | Head | Truckdriver | Pennsylvania |
| 37 | Rose Eger | 30 | Wife | — | Pennsylvania |
| 38 | Elmer Eger | 10 | Son | — | Pennsylvania |
| 39 | Rose Marie Eger | 8 | Daughter | — | Pennsylvania |
| 40 | Gerald Eger | 6 | Son | — | 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)