OO
Oscar Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Will, Illinois
Our Model Tree links this Oscar Olson across the 1910, 1920 and 1930 US Censuses in Will, Illinois (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a son (b.~1897), then head of a 7-person household.
Age 33
b. ~1897
Male
Son
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Will, Illinois |
| Surname | Olson |
| Given Name | Oscar G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Joliet |
| Est. Birth Year | ~1897 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Edith Olson | Daughter | — | 28 | ~1902 |
| Nels Olson | Head | — | 61 | ~1869 |
| H Christopherson | Other | — | 34 | ~1896 |
| Steve Nelson | Other | — | 21 | ~1909 |
| John Smith | Other | — | 40 | ~1890 |
| Oscar Olson | Son | — | 33 | ~1897 |
| Emma Olson | Spouse | — | 60 | ~1870 |
Census Appearances
1910
Will, Illinois
Son, age 12
Will, Illinois · implied b. ~1898 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Swed-Swedish |
| Mother's Birthplace | Swed-Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Will, Illinois
Son, age 22
Will, Illinois · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Son, age 33
Will, Illinois · implied b. ~1897 — 7 household members
| Surname | Olson |
| Given Name | Oscar G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| 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 Oscar Olson across 3 US Census years (1910, 1920 and 1930) in Will, Illinois, using XGBoost record linkage. Identified parents: father Nels Olson (~0.92 confidence) and father Nels Olson (~0.92 confidence) and mother Emma Olson (~0.92 confidence) and mother Emma Olson (~0.92 confidence) and father Nels Olson (~0.92 confidence) and mother Emma Olson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Olson
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Nels Olson
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Emma Olson
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Emma Olson
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Nels Olson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Emma Olson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Olson
Son · 1930 · age 33 · b. ~1897 · Illinois
★ You are viewing this record
Sibling
Edith Olson
Sibling · 1930 · age 28
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 — Will, Illinois
Open full size
1930 US Federal Census — Will, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel569:0349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Verna M. Chapman | 18 | Daughter | Checker | Illinois |
| 52 | Henry L. Gates | 38 | Head | Teller | Illinois |
| 53 | Margret M. Gates | 39 | Wife | — | Illinois |
| 54 | Marjorie D. Gates | 14 | Daughter | — | Illinois |
| 55 | Lloyd A. Gates | 11 | Son | — | Illinois |
| 56 | Raymond N. Eddy | 27 | Head | Welder | Indiana |
| 57 | Margarete A. Eddy | 21 | Wife | — | Illinois |
| 58 | Charles C. Kennedy | 45 | Head | Engineer | Scotland |
| 59 | Anna E. Kennedy | 41 | Wife | — | Illinois |
| 60 | George C. Kennedy | 17 | Son | — | Illinois |
| 61 | Minna L. Kennedy | 14 | Daughter | — | Illinois |
| 62 | Herman A. Dreyer | 30 | Head | Mechanic | Illinois |
| 63 | Mildred B. Dreyer | 28 | Wife | — | Illinois |
| 64 | Alberta M. Dreyer | 8 | Daughter | — | Illinois |
| 65 | John E. Dreyer | 7 | Son | — | Illinois |
| 66 | William R. Dreyer | 5 | Son | — | Illinois |
| 67 | Mildred V. Dreyer | 3 | Daughter | — | Illinois |
| 68 | Robert G. Dreyer | 1 | Son | — | Illinois |
| 69 | Edwin Staehle | 52 | Head | Salesman | Illinois |
| 70 | Florence F. Staehle | 49 | Wife | — | Illinois |
| 71 | William H. Fothergill | 41 | Head | Blacksmith | Illinois |
| 72 | Alice H. Fothergill | 41 | Wife | Blacksmith | Ohio |
| 73 | Earl H. Fothergill | 18 | Son | — | Illinois |
| 74 | Ralph S. Fothergill | 15 | Son | Helper | Illinois |
| 75 | Vivian M. Fothergill | 10 | Daughter | — | Illinois |
| 76 | Lorane A. Fothergill | 8 | Daughter | — | Illinois |
| 77 | Charlotte G. Fothergill | 2 | Daughter | — | Illinois |
| 78 | Leroy Fothergill | 1 | Son | — | Illinois |
| 79 | John Reis | 43 | Head | Helper | Illinois |
| 80 | Anna Reis | 44 | Wife | — | Scotland |
| 81 | Mary Bahrens | 56 | Mother-in-law | — | Illinois |
| 82 | Nels Olson | 61 | Head | Foreman | Sweden |
| 83 | Emma Olson | 60 | Wife | — | Sweden |
| 84 | Oscar G. Olson THIS PERSON | 33 | Son | — | Illinois |
| 85 | Edith Olson | 28 | Daughter | — | Illinois |
| 86 | H. Christopherson | 34 | Step son | Electrician | Illinois |
| 87 | Steve Nelson | 21 | Boarder | Laborer | Sweden |
| 88 | John Smith | 40 | Boarder | Conductor | Illinois |
| 89 | Albert Voorhees | 65 | Head | Bailer | Illinois |
| 90 | Sophia Voorhees | 40 | Wife | — | Illinois |
| 91 | Charles Asmus | 56 | Head | Section Fore | Illinois |
| 92 | Mabel E. Asmus | 14 | Daughter | — | Illinois |
| 93 | Nellie M. Asmus | 12 | Daughter | — | Illinois |
| 94 | Earl H. Wernow | 25 | Head | Bottler | Illinois |
| 95 | Mary A. Wernow | 25 | Wife | — | Illinois |
| 96 | James M. Thompson | 63 | Head | Professor | Canada-Eng |
| 97 | Anna M. Thompson | 62 | Wife | — | Canada-Eng |
| 98 | Vera H. Thompson | 26 | Daughter | Teacher | Illinois |
| 99 | William R. Thompson | 23 | Son | Editor | Illinois |
| 100 | James Jr. Thompson | 16 | Son | — | Illinois |
Pedigree Summary
Oscar + 1 sibling
Gen 1 · 6 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)