RC
Robert Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Robert Chapman across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed), with identified parents Jean & Amanda — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Chapman |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | Assistant |
| Industry | Machine Co. |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Assistant |
| Township / Ward | Rochester |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Robert Chapman | Son | — | 24 | ~1916 |
| Lillian Chapman | Spouse | — | 51 | ~1889 |
| Jean Chapman | Head | — | 61 | ~1879 |
Census Appearances
1920
Monroe, New …
Son, age 3
Monroe, New York · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Germany |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Monroe, New …
Son, age 14
Monroe, New York · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Monroe-County, New …
Son, age 24
Monroe-County, New York · implied b. ~1916 — 3 household members
| Surname | Chapman |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Occupation | Assistant |
| Industry | Machine Co. |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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: father Jean Chapman (~0.92 confidence) and mother Amanda Chapman (~0.92 confidence) and father James Chapman (~0.92 confidence) and mother Lillian Chapman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jean Chapman
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Amanda Chapman
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
James Chapman
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lillian Chapman
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Chapman
Son · 1940 · age 24 · b. ~1916 · New York
★ 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02850-00519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Brown | 65 | Head | Salesman | Canada English |
| 42 | Eva Brown | 66 | Wife | — | Maine |
| 43 | Donald William Thorn | 41 | Head | Dentist | Canada English |
| 44 | Mary Thorn | 31 | Wife | — | New York |
| 45 | Marion Thorn | 4 | Daughter | — | New York |
| 46 | Lena Phillips | 57 | Maid | Maid | England |
| 47 | Jean W. Chapman | 61 | Head | Broker | Connecticut |
| 48 | Lillian B. Chapman | 51 | Wife | — | Connecticut |
| 49 | Robert B. Chapman THIS PERSON | 24 | Son | Assistant | Connecticut |
| 50 | William H. Lacey | 63 | Head | Salesman | New York |
| 51 | Julia Lacey | 64 | Wife | — | New York |
| 52 | William F. Lacey | 24 | Son | City Water | New York |
| 53 | Herbert A. Clark | 46 | Head | Manager | New York |
| 54 | Amelia Clark | 45 | Wife | — | New York |
| 55 | Herbert Jr. Clark | 21 | Son | Messenger | New York |
| 56 | Betty Clark | 18 | Daughter | — | New York |
| 57 | William H. Clark | 16 | Son | — | New York |
| 58 | Charles M. Weber | 54 | Head | Breeder | New York |
| 59 | Lydia M. Weber | 53 | Wife | — | New York |
| 60 | Chester E. Soper | 42 | Head | Stock Clerk | New York |
| 61 | Rowena A. Soper | 42 | Wife | — | New York |
| 62 | Frank Zoppoth | 53 | Head | Edger | New York |
| 63 | Nancy L. Zoppoth | 53 | Wife | — | England |
| 64 | Robert F. Zoppoth | 20 | Son | Plumber | New York |
| 65 | Bernice W. Zoppoth | 18 | Daughter | Office Clerk | New York |
| 66 | Marguerite L. Zoppoth | 16 | Daughter | — | New York |
| 67 | Barbara C. Zoppoth | 13 | Daughter | — | New York |
| 68 | Chester F. Gardner | 45 | Head | Metal Worker | New York |
| 69 | Catherine Gardner | 40 | Wife | — | New York |
| 70 | Chester Jr. Gardner | 9 | Son | — | New York |
| 71 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 72 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 73 | (Blank) (Blank) | None | (blank) | (Blank) | (blank) |
| 74 | Carl F. Akins|Aikins | 50 | Head | Clerk | New York |
| 75 | Martha A. Akins|Aikins | 46 | Wife | — | New York |
| 76 | Alice A. Akins|Aikins | 18 | Daughter | Helper | New York |
| 77 | Christian Akins|Aikins | 76 | Father | — | Germany |
| 78 | Peter Halson | 41 | Head | Helper | New York |
| 79 | Florence Halson | 35 | Wife | Examiner | New York |
| 80 | George Shipley | 44 | Head | Bartender | New York |
Pedigree Summary
Robert
Gen 1 · 4 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)