OJ
Oscar Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Will, Illinois
Our Model Tree links this Oscar Johnson across the 1900, 1910, 1920 and 1930 US Censuses in Will, Illinois (XGBoost, ~Confirmed), with identified parents Samuel & Gust — first a son (b.~1891), then head of a 3-person household.
Age 39
b. ~1891
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Will, Illinois |
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 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 Township |
| Est. Birth Year | ~1891 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Gust Johnson | Head | — | 60 | ~1870 |
| Oscar Johnson | Son | — | 39 | ~1891 |
| Ida Johnson | Spouse | — | 66 | ~1864 |
Census Appearances
1900
Will, Illinois
Son, age 10
Will, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Sept |
| Birth Year | 1890 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Will, Illinois
Son, age 19
Will, Illinois · implied b. ~1891 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Moulder |
| Industry | Brass Foundry |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Will, Illinois
Son, age 29
Will, Illinois · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | moulder |
| Industry | stove works |
| 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 39
Will, Illinois · implied b. ~1891 — 3 household members
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 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 Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in Will, Illinois, using XGBoost record linkage. Identified parents: father Samuel Johnson (~0.92 confidence) and father Gust Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Gust Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Son · 1930 · age 39 · b. ~1891 · 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 — Will, Illinois
Open full size
1930 US Federal Census — Will, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel568:0140)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick Glynn | 55 | Head | Laborer | Irish Free State |
| 2 | Margaret Glynn | 55 | Wife | — | Illinois |
| 3 | Catherine Glynn | 21 | Daughter | Clerk | Illinois |
| 4 | John Glynn | 19 | Son | — | Illinois |
| 5 | Gust Johnson | 60 | Head | — | Sweden |
| 6 | Ida Johnson | 66 | Wife | — | Sweden |
| 7 | Oscar Johnson THIS PERSON | 39 | Son | — | Illinois |
| 8 | Thomas Denton | 22 | Head | — | Illinois |
| 9 | Cassandra Denton | 19 | Wife | — | Illinois |
| 10 | Eugene Mccauley | 30 | Head | Painter | Illinois |
| 11 | Coletta Mccauley | 25 | Wife | — | Illinois |
| 12 | Donald Mccauley | 5 | Son | — | Illinois |
| 13 | James Mccauley | 4 | Son | — | Illinois |
| 14 | John Mccauley | 3 | Son | — | Illinois |
| 15 | Joan Mccauley | 2 | Daughter | — | Illinois |
| 16 | Charles Mccauley | 1 | Son | — | Illinois |
| 17 | Joseph Mcgrady | 57 | Head | Laborer | Iowa |
| 18 | Mary Mcgrady | 57 | Wife | — | Missouri |
| 19 | Katherine Mcgrady | 28 | Daughter | Stenographer | Illinois |
| 20 | Ellen Mcgrady | 26 | Daughter | Stenographer | Illinois |
| 21 | Mary Mcgrady | 25 | Daughter | — | Illinois |
| 22 | Joseph Mcgrady | 22 | Son | Laborer | Illinois |
| 23 | John Mcgrady | 22 | Son | Laborer | Illinois |
| 24 | George Mcgrady | 20 | Son | Laborer | Illinois |
| 25 | Edward Mcgrady | 18 | Son | Laborer | Illinois |
| 26 | William Mcgrady | 16 | Son | — | Illinois |
| 27 | Charles Mcgrady | 12 | Son | — | Illinois |
| 28 | Paul Mcgrady | 10 | Son | — | Illinois |
| 29 | Raymond Mcgrady | 4 | Son | — | Illinois |
| 30 | Arthur Bushwick | 25 | Head | — | England |
| 31 | Mildred Bushwick | 25 | Wife | — | Illinois |
| 32 | Delbert Spaulding | 50 | Boarder | Inspector | Illinois |
| 33 | Nellie Spaulding | 49 | Wife | — | Illinois |
| 34 | Andrew Mccowan | 52 | Head | — | Scotland |
| 35 | Margaret Mccowan | 72 | Wife | — | Scotland |
| 36 | John Reilly | 51 | Head | Conductor | Irish Free State |
| 37 | Anna Reilly | 47 | Wife | — | Ohio |
| 38 | Emmett Reilly | 12 | Son | — | Illinois |
| 39 | Mary Reilly | 11 | Daughter | — | Illinois |
| 40 | Evelyn Reilly | 10 | Daughter | — | Illinois |
| 41 | Patricia Reilly | 5 | Daughter | — | Illinois |
| 42 | Peter Yanka | 28 | Boarder | Brakeman | Ohio |
| 43 | Rocco Dionisio | 53 | Head | Laborer | Italy |
| 44 | Rosina Dionisio | 48 | Wife | — | Italy |
| 45 | Daniel Dionisio | 22 | Son | — | Colorado |
| 46 | Anna Dionisio | 22 | Daughter | — | Colorado |
| 47 | Frank Dionisio | 20 | Son | Mechanic | Colorado |
| 48 | Pascall Dionisio | 17 | Son | — | Colorado |
| 49 | Isaac Miller | 60 | Head | Proprietor | Russia |
| 50 | Anna Miller | 60 | Wife | — | Russia |
Pedigree Summary
Oscar
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)