RO
Robert Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Olson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents John & Nora — first a son (b.~1916), then head of a 3-person household.
Age 14
b. ~1916
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Olson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| 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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Elsie Olson | Other | — | 40 | ~1890 |
| Robert Olson | Son | — | 14 | ~1916 |
| Edward Olson | Head | — | 42 | ~1888 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Robert J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 3 household members
| Surname | Olson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | W. Rubber Tire |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 625 |
| 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 Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Olsen (~0.92 confidence) and mother Nora Olsen (~0.92 confidence) and father Edward Olson (~0.92 confidence) and mother Mary Olsen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Olsen
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Nora Olsen
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Edward Olson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Olsen
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Olson
Son · 1930 · age 14 · b. ~1916 · Illinois
★ You are viewing this record
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
49 people indexed on this census page (ia:1930:illinoiscensus00reel495:0930)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Viola Grundvig | 18 | Daughter | Typist | Illinois |
| 52 | Frank Jr. Wawak | 40 | Head | Owner | Illinois |
| 53 | Elsie Wawak | 31 | Wife-H | — | Illinois |
| 54 | Mildred E. Wawak | 5 | Daughter | — | Illinois |
| 55 | Diane Wawak | 3 | Daughter | — | Illinois |
| 56 | Frank Iii Wawak | 1 | Son | — | Illinois |
| 57 | Adele Lentz | 23 | Maid | — | Illinois |
| 58 | Edward L. Rapp | 49 | Head | Owner | Ohio |
| 59 | Lula M. Rapp | 42 | Wife-H | Cashier | Illinois |
| 60 | Marguerite Rapp | 22 | Daughter | Teacher | Illinois |
| 61 | Rosemary Rapp | 16 | Daughter | — | Illinois |
| 62 | Edward Rapp | 15 | Son | — | Illinois |
| 63 | Philip Rapp | 9 | Son | — | Illinois |
| 64 | George Mclaughlin | 32 | Head | Sales Mgr | Tennessee |
| 65 | Winifred Mclaughlin | 27 | Wife-H | — | Oklahoma |
| 66 | Melbourne Mclaughlin | 1 | Son | — | Illinois |
| 67 | Fannie Weiss | 59 | Mother-in-law | — | New York |
| 68 | James L. Hawkins | 47 | Head | Physician | Texas |
| 69 | Mary Hawkins | 27 | Wife-H | — | Massachusetts |
| 70 | Modesta Hawkins | 8 | Daughter | — | Illinois |
| 71 | Mertis Hawkins | 4 | Daughter | — | Illinois |
| 72 | Florence Carroll | 22 | Sister-in-law | Saleswoman | Michigan |
| 73 | Charles E. Gustafson | 49 | Head | Carpenter | Sweden |
| 74 | Bertha E. Gustafson | 49 | Wife-H | — | Sweden |
| 75 | William F. Gildhaven | 60 | Head | Butcher | Illinois |
| 76 | Anna Gildhaven | 57 | Wife-H | — | Illinois |
| 77 | Mildred C. Carling | 31 | Daughter | Typist | Illinois |
| 78 | William F. Carling | 8 | G. Son | — | Illinois |
| 79 | Grace E. Haegle | 54 | Head-H | — | Illinois |
| 80 | Carl J. Haegle | 27 | Son | Clerk | Illinois |
| 81 | Frederick C. Kroger | 50 | Head | Butcher | Germany |
| 82 | Marie Kroger | 47 | Wife-H | — | Illinois |
| 83 | Helen Kroger | 17 | Daughter | — | Illinois |
| 84 | Caroline Kroger | 13 | Daughter | — | Illinois |
| 85 | Herman Van Higgins | 56 | Head | Salesman | Missouri |
| 86 | Martha Van Higgins | 51 | Wife-H | — | Illinois |
| 87 | Lewis Van Higgins | 32 | Son | Teller | Illinois |
| 88 | Vivian Van Higgins | 31 | Wife | — | Illinois |
| 89 | Jeanette Van Higgins | 30 | Daughter | — | Wisconsin |
| 90 | Morse Warren Van Higgins | 33 | Son-in-law | Plumber | Wisconsin |
| 91 | Patricia Van Higgins | 11 | G. Daughter | — | Illinois |
| 92 | Edward M. Olson | 42 | Head | Official | Illinois |
| 93 | Elsie Olson | 40 | Wife-H | — | Illinois |
| 94 | Robert E. Olson THIS PERSON | 14 | Son | — | Illinois |
| 95 | Henry C. St. John | 40 | Head | Official | Oklahoma |
| 96 | Louisa St. John | 40 | Wife-H | — | Illinois |
| 97 | Robert C. St. John | 11 | Son | — | Illinois |
| 98 | Clara M. Thomas | 45 | Cousin | Mgr Circulation | New York |
| 99 | Jessie Mcnamara | 22 | Maid | Housework | Illinois |
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 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)