RC
Robert Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Robert Chapman across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Gertrude & Nathan — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Chapman |
| Given Name | Robert N. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Charles Chapman | Other | — | 23 | ~1917 |
| Gertrude Chapman | Head | — | 61 | ~1879 |
| Robert Chapman | Son | — | 20 | ~1920 |
Census Appearances
1920
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1920
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Chapman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 20
Wayne-County, Michigan · implied b. ~1920 — 3 household members
| Surname | Chapman |
| Given Name | Robert N. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Industry | 0 |
| Highest Grade | C 1 |
| 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 Robert Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Gertrude Chapman (~0.92 confidence) and father Nathan Chapman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Gertrude Chapman
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Nathan Chapman
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Chapman
Son · 1940 · age 20 · b. ~1920 · 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-t0627-01849-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary A. Zoito | 28 | daughter | — | Pennsylvania |
| 2 | Ely Vincent | 37 | Lodger | Laborer | Roumania |
| 3 | Lydia Vincent | 34 | Lodger | Housework | Roumania |
| 4 | John A. Davis | 54 | Head | Watchman | England |
| 5 | Emilie A. Davis | 57 | Wife | — | Michigan |
| 6 | Maurice Kemp | 25 | Son | Rigger | England |
| 7 | Emily Kemp | 27 | daughter | — | Michigan |
| 8 | Robert E. Kemp | 1 | son | — | Michigan |
| 9 | Kenneth M. Kemp | 1 | son | — | Michigan |
| 10 | Norman Baldwin | 54 | Head | Plasterer | Pennsylvania |
| 11 | Olive Baldwin | 51 | Wife | — | Pennsylvania |
| 12 | Donald Baldwin | 27 | son | Parts Clerk | Pennsylvania |
| 13 | Kenneth Baldwin | 10 | son | — | Michigan |
| 14 | Alexander S. Mcneil | 46 | Head | Laborer | Scotland |
| 15 | Rachel S. Mcneil | 44 | Wife | — | Scotland |
| 16 | Frances Cameron | 21 | daughter | Maid | Scotland |
| 17 | Carl Barkower | 43 | Head | Musician | Ohio |
| 18 | Ella Barkower | 80 | Mother | — | Ohio |
| 19 | Lowell Johnson | 50 | Lodger | Special Agent | Michigan |
| 20 | William C. Campbell | 66 | Head | Salesman | Ohio |
| 21 | Minnie M. Campbell | 64 | Wife | — | Michigan |
| 22 | Delores D. Campbell | 20 | daughter | Clerk | Michigan |
| 23 | Herbert Emrich | 48 | Head | Bus Driver | Kentucky |
| 24 | Ruth Emrich | 28 | Wife | — | Tennessee |
| 25 | Mary L. Emrich | 2 | daughter | — | Michigan |
| 26 | Polk P. Paschael | 25 | Lodger | Machinist | Tennessee |
| 27 | Otis Meager | None | Lodger | — | — |
| 28 | W. Ahedler | 34 | Lodger | Salesman | Georgia |
| 29 | John S. Wharton | 59 | Head | Multi-Step Machinist | New York |
| 30 | Betty Jane Wharton | 60 | Wife | — | Michigan |
| 31 | Prothiea Higgins | 33 | daughter | Animated Cartoonist | Minnesota |
| 32 | Leon H. Ray | 47 | Head | Optometrist | Pennsylvania |
| 33 | Frances Ray | 46 | Wife | — | Ohio |
| 34 | Kennon Ray | 18 | son | — | Michigan |
| 35 | Thelma Ray | 16 | daughter | — | Michigan |
| 36 | Gertrude Chapman | 61 | Head | Substitute Teacher | Michigan |
| 37 | Robert N. Chapman THIS PERSON | 20 | son | — | Michigan |
| 38 | Charles J. Chapman | 23 | nephew | Salesman | Michigan |
| 39 | Daniel Tittle | 28 | Head | Assembler | Louisiana |
| 40 | Louise C. Tittle | 30 | Wife | — | New Jersey |
Pedigree Summary
Robert
Gen 1 · 2 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)