WP
William Post — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Post across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents William & D — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Post |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Assistant Manager |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3500 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Assistant Manager |
| Township / Ward | Detroit City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Post | Head | — | 29 | ~1911 |
| Julie Post | Daughter | — | 1 | ~1939 |
| Elizabeth Post | Daughter | — | 5 | ~1935 |
| Elizabeth Post | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Wayne, Michigan
Son, age 9
Wayne, Michigan · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 19
Wayne, Michigan · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 29
Wayne-County, Michigan · implied b. ~1911 — 4 household members
| Surname | Post |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Assistant Manager |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3500 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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. Identified parents: father William Post (~0.92 confidence) and mother D Post (~0.92 confidence) and mother Ellie Post (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Post
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
D Post
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Ellie Post
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Post
Head · 1940 · age 29 · b. ~1911 · Michigan
★ 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01881-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin A. Kent | 76 | Head | Bricklayer | Ohio |
| 2 | Jennie F. Kent | 62 | Wife | — | Ohio |
| 3 | Lillian Ohman | 46 | Roomer | Saleslady | Michigan |
| 4 | Kenneth W. Herr | 32 | Roomer | Salesman | Iowa |
| 5 | Arnold D. Truax | 42 | Head | Accountant | Penn. |
| 6 | Katherine C. Truax | 37 | Wife | Bench Worker | Penn. |
| 7 | Gloria E. Truax | 15 | Daughter | — | Penn. |
| 8 | May M. Lesperance | 49 | Head | Typist | Canada |
| 9 | Salem J. Lesperance | 73 | Aunt | — | Canada |
| 10 | William A. Post THIS PERSON | 29 | Head | Assistant Manager | Michigan |
| 11 | Elizabeth M. Post | 30 | Wife | — | Michigan |
| 12 | Elizabeth A. Post | 5 | Daughter | — | Michigan |
| 13 | Julie L. Post | 1 | Daughter | — | Michigan |
| 14 | William T. Brush | 65 | Head | Clerk | Canada |
| 15 | Edith E. Brush | 55 | Wife | — | Canada |
| 16 | Warren A. Brush | 14 | Son | — | Michigan |
| 17 | Thomas L. Brush | 12 | Son | — | Michigan |
| 18 | Andrew Traynor | 27 | Roomer | Assembler | Penn. |
| 19 | Fred Pockert | 72 | Head | Common Laborer | Michigan |
| 20 | Theresa Pockert | 65 | Wife | — | Michigan |
| 21 | Betty Pockert | 28 | Daughter | — | Michigan |
| 22 | Isaac A. Pieti | 42 | Head | Receiving Clerk | Michigan |
| 23 | Libby M. Pieti | 45 | Wife | — | Michigan |
| 24 | Annette E. Pieti | 19 | Daughter | Typist | Michigan |
| 25 | Jerome N. Pieti | 14 | Son | — | Michigan |
| 26 | John W. Bailey | 63 | Head | Secretary Treas. | Indiana |
| 27 | Andia W. Bailey | 53 | Wife | — | Indiana |
| 28 | William W. Bailey | 33 | Son | Salesman | Indiana |
| 29 | William W. Crozier | 18 | Grandson | — | Indiana |
| 30 | Melissa Ward | 77 | Mother-in-law | — | Indiana |
| 31 | Ethelyn B. Hart | 62 | Head | Investigator | Michigan |
| 32 | Edward J. Hart | 36 | Son | Distributor | Michigan |
| 33 | Patricia V. Hart | 8 | Granddaughter | — | Michigan |
| 34 | Shirley F. Fitzgerald | 34 | Daughter-in-law | Salesman | Michigan |
| 35 | Katherine M. Fitzgerald | 14 | Granddaughter | Saleslady | Michigan |
| 36 | Phillip Fitzgerald | 4 | Grandson | — | Michigan |
| 37 | Catherine Guinan | 34 | Sister-in-law | Teacher | Michigan |
| 38 | William Schultz | 35 | Head | Proprietor | Germany |
| 39 | Delphine V. Schultz | 46 | Wife | — | Missouri |
| 40 | Leroy B. High | 25 | Head | Chemist | Wisconsin |
Pedigree Summary
William
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)