RR
Robert Robertson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Robertson across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Robertson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| James Robertson | Son | — | 5 | ~1925 |
| Donald Robertson | Son | — | 3 | ~1927 |
| Robert Robertson | Son | — | 11 | ~1919 |
| James Robertson | Head | — | 38 | ~1892 |
| Janice Robertson | Daughter | — | 14 | ~1916 |
| Edna Robertson | Daughter | — | 7 | ~1923 |
| Edna Robertson | Spouse | — | 37 | ~1893 |
Census Appearances
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 7 household members
| Surname | Robertson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Ross |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | New Worker |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| 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 Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Robertson
Son · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
James Robertson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Robertson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Robertson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Robertson
Sibling · 1930 · age 7
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
50 people indexed on this census page (ia:1930:illinoiscensus00reel452:0725)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Robertson | 38 | Head | Yard Master | Illinois |
| 2 | Edna Robertson | 37 | Wife | — | Iowa |
| 3 | Janice Robertson | 14 | Daughter | — | Illinois |
| 4 | Robert Robertson THIS PERSON | 11 | Son | — | Illinois |
| 5 | Edna Robertson | 7 | Daughter | — | Illinois |
| 6 | James Robertson | 5 | Son | — | Illinois |
| 7 | Donald Robertson | 3 | Son | — | Illinois |
| 8 | Anna Klager | 72 | Head | — | Illinois |
| 9 | Charles Epp | 53 | Head | Carpenter | Czechoslovakia |
| 10 | Emma Vlasak | 38 | Head | — | Illinois |
| 11 | Edna Vlasak | 17 | Daughter | — | Illinois |
| 12 | Ray Vlasak | 15 | Son | — | Illinois |
| 13 | Edward Vlasak | 38 | Brother | Laborer | Illinois |
| 14 | Robert Vlasak | 7 | Nephew | Clerk | Illinois |
| 15 | Joseph Fiala | 41 | Head | Painter | Illinois |
| 16 | Francis Fiala | 38 | Wife | — | Illinois |
| 17 | Joseph Fiala | 17 | Son | — | Illinois |
| 18 | Mildred Hubacek | 22 | Boarder | Clerk | Illinois |
| 19 | Francis Miskovic | 43 | Head | — | Jugo Slavia |
| 20 | Barbara Miskovic | 26 | Daughter | Trimmer | Illinois |
| 21 | Emil Miskovic | 24 | Son | — | Illinois |
| 22 | Mae Miskovic | 21 | Daughter | Bookbinder | Illinois |
| 23 | John Becker | 48 | Head | Pressman | Illinois |
| 24 | Lillian Becker | 35 | Wife | — | Illinois |
| 25 | Raymond Becker | 12 | Son | — | Illinois |
| 26 | Joseph Becker | 2 | Son | — | Illinois |
| 27 | Joseph Urbanek | 44 | Head | Moulder | Poland |
| 28 | Anna Urbanek | 34 | Wife | — | Poland |
| 29 | Victoria Urbanek | 15 | Daughter | — | Illinois |
| 30 | Walter Urbanek | 14 | Son | — | Illinois |
| 31 | Frank Urbanek | 12 | Son | — | Illinois |
| 32 | Edward Urbanek | 10 | Son | — | Illinois |
| 33 | Henry Urbanek | 7 | Son | — | Illinois |
| 34 | Eugene Urbanek | 2 | Son | — | Illinois |
| 35 | Frank Lepay | 35 | Head | Painter | Illinois |
| 36 | Anna Lepay | 33 | Wife | — | Illinois |
| 37 | Elsie Lepay | 8 | Daughter | — | Illinois |
| 38 | Lucille Lepay | 6 | Daughter | — | Illinois |
| 39 | Anna Ondracek | 62 | Mother-in-law | — | Czechoslovakia |
| 40 | Mary Turek | 63 | Head | — | Czechoslovakia |
| 41 | Jerry Turek | 30 | Son | Electrician | Illinois |
| 42 | John Turek | 28 | Son | United Press | Ohio |
| 43 | Virginia Turek | 25 | Daughter | Asst. Dept. | Ohio |
| 44 | Mary Janista | 35 | Daughter | Asst. Dept. | Illinois |
| 45 | Dorothy Janista | 11 | Granddaughter | — | Illinois |
| 46 | Joseph Turek | 25 | Son | Carpenter | Illinois |
| 47 | William Vlasak | 22 | Roomer | Clerk | Colorado |
| 48 | Henry Polly | 32 | Head | Mach. Operator | Czechoslovakia |
| 49 | Anna Polly | 20 | Wife | — | Colorado |
| 50 | Rose Polly | 2 | Daughter | Operator | 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)