RB
Robert Black — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Black across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 4-person household.
Age 56
b. ~1874
Male
Head
Born: Canada
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Black |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 37 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Additional Details | |
| Occupation | Freight Agent |
| Industry | Rail-Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45.00 |
| Radio Set | R |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Occupation | Freight Agent |
| Township / Ward | Chicago Heights City |
| Est. Birth Year | ~1874 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Black | Daughter | — | 16 | ~1914 |
| Robert Black | Head | — | 56 | ~1874 |
| Robert Black | Son | — | 4 | ~1926 |
| Marie Black | Spouse | — | 40 | ~1890 |
Census Appearances
1910
Cook, Illinois
Other, age 36
Cook, Illinois · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Robert N |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Divorced |
| Birthplace | Canada |
| Year of Immigration | 1894 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | Agent |
| Industry | Railroad |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1920
Cook, Illinois
Head, age 45
Cook, Illinois · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | R. M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | Agent |
| Industry | R. R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Canada |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | canada |
1930
Cook, Illinois
Head, age 56
Cook, Illinois · implied b. ~1874 — 4 household members
| Surname | Black |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 37 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Freight Agent |
| Industry | Rail-Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45.00 |
| Radio Set | R |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Black across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Black
Head · 1930 · age 56 · b. ~1874 · Illinois
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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
50 people indexed on this census page (ia:1930:illinoiscensus00reel414:0648)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles J. Schultz | 38 | Head | Pharmacist | Illinois |
| 2 | Harriet Schultz | 37 | Wife | — | Illinois |
| 3 | William Schultz | 3 | Son | — | Illinois |
| 4 | Louise Dethin | 63 | Mother-in-law | — | Germany |
| 5 | Alfred Olson | 58 | Head | Machinist | Sweden |
| 6 | Anna Olson | 56 | Wife | — | Sweden |
| 7 | Sinegne Olson | 33 | Daughter | Bookkeeper | Illinois |
| 8 | Fred Reed | 42 | Head | Machinist | Indiana |
| 9 | Mary Reed | 38 | Wife | — | Indiana |
| 10 | Russell Reed | 20 | Son | Watchmaker | Illinois |
| 11 | Edward Reed | 17 | Son | — | Indiana |
| 12 | Gertrude Reed | 12 | Daughter | — | Illinois |
| 13 | Robert Fritzsche | 32 | Head | Mechanic | Pennsylvania |
| 14 | Hazel Fritzsche | 30 | Wife | — | Illinois |
| 15 | Barbara Fritzsche | 6 | Daughter | — | Illinois |
| 16 | Evelyn Fritzsche | 2 | Daughter | — | Illinois |
| 17 | Robert Black THIS PERSON | 56 | Head | Freight Agent | Canada |
| 18 | Marie Black | 40 | Wife | — | Indiana |
| 19 | Marguerite Black | 16 | Daughter | — | Illinois |
| 20 | Robert Black | 4 | Son | — | Illinois |
| 21 | Otto Parks | 58 | Head | Decorator | Illinois |
| 22 | Lily Parks | 49 | Wife | — | Missouri |
| 23 | Eugene Parks | 22 | Son | Laborer | Illinois |
| 24 | Charles Parks | 20 | Son | — | Illinois |
| 25 | Martin Parks | 17 | Son | Salesman | Illinois |
| 26 | Vernon Parks | 9 | Son | — | Illinois |
| 27 | Augusta Parks | 14 | Daughter | — | Illinois |
| 28 | Harold Niles | 17 | Roomer | Laborer | Illinois |
| 29 | Alfred Casper | 30 | Head | Clerk | Kansas |
| 30 | Olga Casper | 41 | Wife | — | Illinois |
| 31 | Kenneth Casper | 7 | Son | — | Illinois |
| 32 | Alfred Jr. Casper | 5 | Son | — | Illinois |
| 33 | Harold Goshnow | 24 | Head | Mechanic | Illinois |
| 34 | Beulah Goshnow | 20 | Wife | — | Illinois |
| 35 | Glenn Pruitt | 27 | Head | Laborer | Illinois |
| 36 | Ruth Pruitt | 26 | Wife | — | Indiana |
| 37 | Gwendolyn Pruitt | 6 | Daughter | — | Illinois |
| 38 | Betty Pruitt | 3 | Daughter | — | Illinois |
| 39 | Stanley Tasia | 20 | Head | Mechanic | Indiana |
| 40 | Alexandria Tasia | 18 | Wife | — | Illinois |
| 41 | Theodore Stein | 23 | Head | Operator | Missouri |
| 42 | Blanche Stein | 20 | Wife | — | Missouri |
| 43 | Melvin Stein | 1 | Son | — | Illinois |
| 44 | Cesare Tieri | 30 | Head | Mechanic | Italy |
| 45 | Catherine Tieri | 28 | Wife | — | Illinois |
| 46 | Herman Tieri | 7 | Son | — | Illinois |
| 47 | Cesare Jr. Tieri | 5 | Son | — | Illinois |
| 48 | Bernice Tieri | 1 | Daughter | — | Illinois |
| 49 | Jerry Martin | 37 | Head | Foreman | Illinois |
| 50 | Ella Martin | 31 | Wife | — | Illinois |
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)