WC
William Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Chapman across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Everett & Estelle — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Chapman |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Chapman | Daughter | — | 24 | ~1916 |
| Shirley Chapman | Daughter | — | 14 | ~1926 |
| Everett Chapman | Head | — | 53 | ~1887 |
| John Chapman | Son | — | 17 | ~1923 |
| Douglas Chapman | Son | — | 10 | ~1930 |
| Robert Chapman | Son | — | 19 | ~1921 |
| William Chapman | Son | — | 21 | ~1919 |
| Estelle Chapman | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Wayne, Michigan
Son, age 1
Wayne, Michigan · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 8 household members
| Surname | Chapman |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Everett Chapman (~0.92 confidence) and mother Estelle Chapman (~0.92 confidence) and mother Estella Chapman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Everett Chapman
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Estelle Chapman
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Estella Chapman
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Chapman
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Marjorie Chapman
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Chapman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Chapman
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Chapman
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Chapman
Sibling · 1940 · age 17
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-t0627-01845-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Siegel | 47 | Head | — | Michigan |
| 2 | Helene Siegel | 24 | Daughter | — | Michigan |
| 3 | Joseph Jr. Siegel | 21 | Son | — | Michigan |
| 4 | Leonard Moore | 39 | Chauffeur | Chauffeur | Alabama |
| 5 | Ada Noflict | 44 | Cook | Cook | Missouri |
| 6 | Ina Heber | 37 | Maid | Maid | Michigan |
| 7 | Everett L. Chapman | 53 | Head | Surgeon | New Hampshire |
| 8 | Estelle P. Chapman | 51 | Wife | — | New Hampshire |
| 9 | Marjorie Chapman | 24 | Daughter | Teacher | New Hampshire |
| 10 | William T. Chapman THIS PERSON | 21 | Son | — | New Hampshire |
| 11 | Robert Everett Chapman | 19 | Son | — | Michigan |
| 12 | John Richard Chapman | 17 | Son | — | Michigan |
| 13 | Shirley Chapman | 14 | Daughter | — | Michigan |
| 14 | Douglas W. Chapman | 10 | Son | — | Michigan |
| 15 | Charles T. Fisher | 60 | Head | President | Ohio |
| 16 | Sarah W. Fisher | 58 | Wife | — | Ohio |
| 17 | Everell E. Fisher | 30 | Son | President | Michigan |
| 18 | Mary V. Fisher | 26 | Daughter | — | Michigan |
| 19 | Thomas K. Fisher | 19 | Son | — | Michigan |
| 20 | Sarah Ann Fisher | 16 | Daughter | — | Michigan |
| 21 | Catherine Gansen | 62 | Nurse | Registered Nurse | Michigan |
| 22 | — | None | — | — | — |
| 23 | Arthur D. Colligan | 31 | Houseman | Houseman | Scotland |
| 24 | Margaret Mackenzie | 36 | Maid | Parlor Maid | Scotland |
| 25 | Sarah E. Lilley | 40 | Maid | Upstairs Maid | Ireland |
| 26 | Helge H. Sellgren | 34 | Butler | Butler | Sweden |
| 27 | Sylvia H. Sellgren | 30 | Wife | — | Finland |
| 28 | — | None | — | — | — |
| 29 | John Rozwalka | 59 | Servant | Houseman | Poland |
| 30 | Robert Shepherd | 34 | Head | Gardener | Scotland |
| 31 | Marjorie Shepherd | 36 | Wife | — | Canada-English |
| 32 | Daniel R. Shepherd | 3 | Son | — | Michigan |
| 33 | — | None | — | — | — |
| 34 | John Leonard Brown | 39 | Head | Proprietor And Manager | New York |
| 35 | Ada Brown | 38 | Wife | — | Michigan |
| 36 | Rhoda Sherry Brown | 16 | Daughter | — | Michigan |
| 37 | Barbara Beka Brown | 12 | Daughter | — | Michigan |
| 38 | Sandra Brown | 5 | Daughter | — | Michigan |
| 39 | Dorothy Sewell | 24 | Maid | Maid | Alabama |
| 40 | Harry C. Hyman | 51 | Head | President Of Corporation | Russia |
Pedigree Summary
William + 5 siblings
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)