WP
William Pierce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Pierce across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Pierce |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dearborn city |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No H-2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Dearborn City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Renae Pierce | Daughter | — | 15 | ~1925 |
| George Pierce | Head | — | 38 | ~1902 |
| William Spoel | Other | — | 23 | ~1917 |
| William Pierce | Son | — | 17 | ~1923 |
| Jacob Pierce | Son | — | 12 | ~1928 |
| George Pierce | Son | — | 19 | ~1921 |
| Charlotte Pierce | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Wayne, Michigan
Son, age 5
Wayne, Michigan · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | William J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada-English |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 17
Wayne-County, Michigan · implied b. ~1923 — 7 household members
| Surname | Pierce |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dearborn city |
| 1935 Residence (County) | Wayne |
| Industry | 0 |
| Highest Grade | No H-2 |
| 1935 Residence | Same house |
| 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 Pierce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Pierce
Son · 1940 · age 17 · b. ~1923 · Michigan
★ You are viewing this record
Sibling
Jacob Pierce
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Pierce
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Renae Pierce
Sibling · 1940 · age 15
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 — 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-t0627-01826-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert J. Tillen | 13 | Nephew | — | Michigan |
| 2 | Richard H. Tillen | 10 | Nephew | — | Michigan |
| 3 | Eugene Mcrae | 50 | Lodger | Bookkeeper | Tennessee |
| 4 | Dolores J. Coon | 8 | Daughter | — | Michigan |
| 5 | Elizabeth J. Coon | 7 | Daughter | — | Michigan |
| 6 | Robert T. Coon | 4 | Son | — | Michigan |
| 7 | Patricia Czarnecki | 3 | Daughter | — | Michigan |
| 8 | Gerald Czarnecki | 1 | Son | — | Michigan |
| 9 | Samuel A. Gully | 42 | Head | Truck Driver | Missouri |
| 10 | Ethel A. Gully | 29 | Wife | — | Missouri |
| 11 | William Gully | 48 | Brother | — | Missouri |
| 12 | Homer Williams | 29 | Law | Truck Driver | Mississippi |
| 13 | James W. Monin | 39 | Head | Electrician | Kentucky |
| 14 | Mabel B. Monin | 35 | Wife | — | Kentucky |
| 15 | Harrietta Monin | 3 | Daughter | — | Michigan |
| 16 | George M. Pierce | 38 | Head | Laborer | New Jersey |
| 17 | Charlotte M. Pierce | 41 | Wife | — | Michigan |
| 18 | George Jr. Pierce | 19 | Son | Laborer | Michigan |
| 19 | William P. Pierce THIS PERSON | 17 | Son | — | Michigan |
| 20 | Renae M. Pierce | 15 | Daughter | — | Michigan |
| 21 | Jacob D. Pierce | 12 | Son | — | Michigan |
| 22 | William R. Spoel | 23 | Son-in-law | Laborer | Michigan |
| 23 | Harry Sumner | 48 | Head | Laborer | New York |
| 24 | Mary C. Sumner | 58 | Wife | — | New York |
| 25 | Vern Frick | 24 | Head | Bus Driver | Michigan |
| 26 | Corabelle Frick | 43 | Wife | — | Colorado |
| 27 | Ralph E. Frick | 19 | Son | Laborer | Michigan |
| 28 | Wilda Totten | 52 | Head | Conductor | Michigan |
| 29 | Agnes Totten | 48 | Wife | — | Connecticut |
| 30 | Ernest A. Hocking | 34 | Head | Tool Maker | Michigan |
| 31 | Alice G. Hocking | 33 | Wife | — | Michigan |
| 32 | Jean M. Hocking | 9 | Daughter | — | Michigan |
| 33 | Mary A. Hocking | 4 | Daughter | — | Michigan |
| 34 | Harvey R. Box | 40 | Head | Tool & Die Maker | Missouri |
| 35 | Lois P. Box | 38 | Wife | — | Missouri |
| 36 | Garber E. Box | 26 | Head | Tool & Die Maker | Missouri |
| 37 | Grace L. Box | 26 | Wife | — | Michigan |
| 38 | Frank M. Box | 6 | Son | — | Michigan |
| 39 | Loren B. Cooper | 32 | Head | Auto Mechanic | Michigan |
| 40 | Wanda Cooper | 31 | Wife | — | Michigan |
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)