RC
Robert Chapman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Chapman across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Ned & Ted — first a daughter (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Chapman |
| Given Name | Robert, N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Chapman | Daughter | — | 13 | ~1917 |
| Mary Chapman | Daughter | — | 19 | ~1911 |
| Ned Chapman | Head | — | 48 | ~1882 |
| Robert Chapman | Daughter | — | 10 | ~1920 |
| Ruth Chapman | Daughter | — | 25 | ~1905 |
| Leila Chapman | Other | — | 45 | ~1885 |
| Ned Chapman | Son | — | 14 | ~1916 |
| June Chapman | Daughter | — | 7 | ~1923 |
Census Appearances
1920
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Roberta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1920 — 8 household members
| Surname | Chapman |
| Given Name | Robert, N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 19
Cook-County, Illinois · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Roberta |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | receptionist |
| Industry | doctor's office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 54 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ned Chapman (~0.92 confidence) and father Ted Chapman (~0.92 confidence) and mother Leila Chapman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ned Chapman
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Ted Chapman
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Leila Chapman
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Chapman
Daughter · 1930 · age 10 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Dorothy Chapman
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Chapman
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Chapman
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ned Chapman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Chapman
Sibling · 1930 · age 25
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
47 people indexed on this census page (ia:1930:illinoiscensus00reel448:0558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alois Glaesner | 45 | Head | Contractor | Austria |
| 2 | Alma Glaesner | 32 | Wife-H | Proprietor | Germany |
| 3 | Joseph, Jr. Glaesner | 2 | Son | — | Illinois |
| 4 | Emma, A. Winter | 54 | Mother-in-law | — | Germany |
| 5 | Albert, H. Zoellner | 56 | Head | Proof Reader | Germany |
| 6 | Henrietta Zoellner | 46 | Wife-H | Dressmaker | Illinois |
| 7 | Clyde Zoellner | 16 | Son | — | Illinois |
| 8 | Edwin, H. Zoellner | 14 | Son | — | Illinois |
| 9 | Emma, A. Hauprech | 28 | Sister-in-law | Stenographer | Illinois |
| 10 | Alexander Peterson | 50 | Head | Foreman | Illinois |
| 11 | Adelheid Peterson | 52 | Wife-H | — | Illinois |
| 12 | Adeline, M. Peterson | 19 | Daughter | Typist | Illinois |
| 13 | Thomas Krause | 49 | Head | Carpenter | Austria |
| 14 | Mary, C. Krause | 40 | Wife-H | — | Austria |
| 15 | Joseph, J. Krause | 22 | Son | Laborer | Illinois |
| 16 | Loretta, M. Krause | 19 | Daughter-in-law | — | Iowa |
| 17 | Stanley, J. Krause | 18 | Son | Deliveryman | Illinois |
| 18 | Thomas, W. Krause | 17 | Son | — | Illinois |
| 19 | Helen, M. Krause | 12 | Daughter | — | Illinois |
| 20 | Alfred, W. Clement | 58 | Head | Car Washer | Canada-French |
| 21 | Rose Clement | 52 | Wife-H | — | Illinois |
| 22 | George Ketel | 40 | Brother-in-law | Laborer | Illinois |
| 23 | Walter Ketel | 15 | Nephew | — | Illinois |
| 24 | Andrew, W. Lorenzen | 31 | Head | Installation | Illinois |
| 25 | Ione, A. Lorenzen | 29 | Wife-H | — | Iowa |
| 26 | Andreas, W. Lorenzen | 4 | Son | — | Illinois |
| 27 | Grace, J. Lorenzen | 2 | Daughter | — | Illinois |
| 28 | Grace, M. Bradford | 57 | Mother-in-law | Practical Nurse | Iowa |
| 29 | William, A. Eckert | 47 | Head | Watchman | Michigan |
| 30 | Bessie, V. Eckert | 45 | Wife-H | — | Illinois |
| 31 | Edward, E. Eckert | 16 | Son | Typist | Illinois |
| 32 | Florence, R. Eckert | 10 | Daughter | — | Illinois |
| 33 | Fred, W. Bartlett | 54 | Brother-in-law | — | Illinois |
| 34 | Ned, H. Chapman | 48 | Head | Foreman | Iowa |
| 35 | Leila, S. Chapman | 45 | Wife-H | — | Kansas |
| 36 | Ruth, F. Chapman | 25 | Daughter | Bookkeeper | Iowa |
| 37 | Mary, L. Chapman | 19 | Daughter | Office Girl | Illinois |
| 38 | Ned, H. Jr. Chapman | 14 | Son | — | Illinois |
| 39 | Dorothy, E. Chapman | 13 | Daughter | — | Illinois |
| 40 | Robert, N. Chapman THIS PERSON | 10 | Daughter | — | Illinois |
| 41 | June, B. Chapman | 7 | Daughter | — | Illinois |
| 42 | Leonard, B. Resekoff | 39 | Head | Milkman | Holland |
| 43 | Jennie Resekoff | 37 | Wife-H | — | Illinois |
| 44 | Leonard Resekoff | 17 | Son | — | Illinois |
| 45 | Margaret Resekoff | 14 | Daughter | — | Illinois |
| 46 | Janet Resekoff | 12 | Daughter | — | Illinois |
| 47 | Gerald Resekoff | 7 | Son | — | Illinois |
Pedigree Summary
Robert + 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 1930 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)