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John Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Chapman across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Zaidee & Willis — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Chapman |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marblehead Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Commercial Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Marblehead Town |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Chapman | Head | — | 27 | ~1913 |
| John Chapman | Son | — | 4 | ~1936 |
| Lucille Chapman | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Essex, Massachusetts
Son, age 6
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 27
Essex-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | Chapman |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Marblehead Town |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Commercial Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 John Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Zaidee Chapman (~0.92 confidence) and father Willis Chapman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Zaidee Chapman
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Willis Chapman
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Chapman
Head · 1940 · age 27 · b. ~1913 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01585-00150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reaves E Jr Strobel | 1 | Son | — | Massachusetts |
| 2 | Jennie F Ferguson | 59 | Head | — | Massachusetts |
| 3 | John H Ferguson | 28 | Son | Mechanical Engineer | Massachusetts |
| 4 | Norman A Ferguson | 26 | Son | Broker | Massachusetts |
| 5 | Herbert Shattuck | 54 | Head | Plant Superintendent | Massachusetts |
| 6 | Mary L Shattuck | 59 | Wife | — | Eire |
| 7 | Harold B Shattuck | 30 | Son | Teller | Massachusetts |
| 8 | Mary E Chapman | 60 | Head | Cook | Massachusetts |
| 9 | Robert S Chapman | 56 | Brother | Laborer | Massachusetts |
| 10 | Frederick F Chapman | 50 | Brother | — | Massachusetts |
| 11 | John W Chapman THIS PERSON | 27 | Head | Clerk | Massachusetts |
| 12 | Lucille L Chapman | 22 | Wife | — | Massachusetts |
| 13 | John W Jr Chapman | 4 | Son | — | Massachusetts |
| 14 | Antoinette S Orne | 78 | Head | — | Massachusetts |
| 15 | Albert Poliber | 47 | Head | Mechanic | Massachusetts |
| 16 | Edith Poliber | 44 | Wife | — | Massachusetts |
| 17 | Thelma A Poliber | 22 | Daughter | Coding | Massachusetts |
| 18 | Barbara Poliber | 19 | Daughter | Nursemaid | Massachusetts |
| 19 | Grace Poliber | 18 | Daughter | — | Massachusetts |
| 20 | Mildred Poliber | 15 | Daughter | — | Massachusetts |
| 21 | John H Roundy | 71 | Head | — | Massachusetts |
| 22 | Cora M Roundy | 59 | Wife | — | Massachusetts |
| 23 | Herbert Pierson | 74 | Head | — | Massachusetts |
| 24 | Annie Pierson | 71 | Wife | — | Massachusetts |
| 25 | Bessie M Pierson | 54 | Daughter | Hygiene Teacher | Massachusetts |
| 26 | Julia B Hatch | 73 | Head | — | Massachusetts |
| 27 | George F Lewis | 60 | Head | Janitor | Massachusetts |
| 28 | Ellen F Lewis | 58 | Wife | — | Massachusetts |
| 29 | Anna Gfeller | 29 | Daughter | Librarian | Massachusetts |
| 30 | Victor Gfeller | 33 | Son-in-law | Contractor | Kansas |
| 31 | Albert F Carey | 36 | Head | Lineman | Massachusetts |
| 32 | Carrie C Carey | 32 | Wife | — | Massachusetts |
| 33 | Alice E Carey | 13 | Daughter | — | Massachusetts |
| 34 | Robert F Carey | 12 | Son | — | Massachusetts |
| 35 | Lewis A Carey | 9 | Son | — | Massachusetts |
| 36 | Dexter C Carey | 7 | Son | — | Massachusetts |
| 37 | Henry R Carey | 6 | Son | — | Massachusetts |
| 38 | John L Carey | 3 | Son | — | Massachusetts |
| 39 | Albert C Carey | 1 | Son | — | Massachusetts |
| 40 | Samuel A Stone | 62 | Head | Cook | Massachusetts |
Pedigree Summary
John
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)