OS
Oscar Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stephenson-County, Illinois
Our Model Tree links this Oscar Smith across the 1920, 1930 and 1940 US Censuses in Stephenson-County, Illinois (XGBoost, ~Confirmed), with identified parents Jessie & Jessie — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stephenson-County, Illinois |
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Stephenson |
| Additional Details | |
| Occupation | Driver Truck |
| Industry | Produce Co. |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Driver Truck |
| Township / Ward | Freeport |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Jake Smith | Head | — | 50 | ~1890 |
| Oscar Smith | Son | — | 23 | ~1917 |
| Jessie Smith | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Stephenson, Illinois
Son, age 3
Stephenson, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar |
| 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
Stephenson, Illinois
Son, age 13
Stephenson, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Stephenson-County, Illinois
Son, age 23
Stephenson-County, Illinois · implied b. ~1917 — 3 household members
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Stephenson |
| Occupation | Driver Truck |
| Industry | Produce Co. |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| 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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Jessie Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence) and mother Gail Smith (~0.92 confidence) and father Jacob Smith (~0.92 confidence) and father Jake Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Jessie Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Gail Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Jacob Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Jake Smith
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Smith
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Stephenson-County, Illinois
Open full size
1940 US Federal Census — Stephenson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00893-00054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Schrall | 37 | Wife | Laundress | Illinois |
| 42 | Geraldine Schrall | 17 | Daughter | Laundress | Illinois |
| 43 | George T. Schrall | 13 | Son | — | Illinois |
| 44 | George Junior | 40 | Head | Chauffeur | Hungary |
| 45 | Nora O. Junior | 29 | Wife | House Maid | Wisconsin |
| 46 | Mary Rooney | 62 | Mother-in-law | — | Hungary |
| 47 | Howard West | 34 | Head | Truck Driver | Illinois |
| 48 | Minnie P. West | 44 | Wife | — | Iowa |
| 49 | Beatrice West | 18 | Daughter | Student Aid | Illinois |
| 50 | Fred West | 14 | Son | — | Illinois |
| 51 | Blanche West | 10 | Daughter | — | Illinois |
| 52 | Edward West | 7 | Son | — | Illinois |
| 53 | Earl West | 5 | Son | — | Illinois |
| 54 | Sandra West | 1 | Daughter | — | Illinois |
| 55 | Leonard Taggert | 32 | Head | Driver Truck | Wisconsin |
| 56 | Josephine P. Taggert | 27 | Wife | — | Illinois |
| 57 | Joyce Taggert | 5 | Daughter | — | Illinois |
| 58 | Louis Taggert | 3 | Son | — | Illinois |
| 59 | Erba Lou Taggert | 1 | Daughter | — | Illinois |
| 60 | J. E. Snyder | 54 | Head | Carpenter | Illinois |
| 61 | Margaret Snyder | 46 | Wife | — | Nebraska |
| 62 | Jake Smith | 50 | Head | Farm Hand | Illinois |
| 63 | Jessie P. Smith | 52 | Wife | — | Illinois |
| 64 | Oscar Smith THIS PERSON | 23 | Son | Driver Truck | Illinois |
| 65 | Albert Snyder | 58 | Head | Mechanic | Illinois |
| 66 | Laura Snyder | 54 | Wife | — | Illinois |
| 67 | Everett Snyder | 27 | Son | Clean Cars | Illinois |
| 68 | Opal Snyder | 17 | Daughter | — | Illinois |
| 69 | Charles Snyder | 13 | Son | — | Illinois |
| 70 | Charles Snyder | 64 | Head | — | Indiana |
| 71 | Daniel M. Brubaker | 79 | Head | — | Illinois |
| 72 | Mary Brubaker | 76 | Wife | — | Illinois |
| 73 | Eugene Yalhosmaker | 25 | Head | Farm Hand | Illinois |
| 74 | Edna P. Yalhosmaker | 26 | Wife | — | Illinois |
| 75 | Wilfred Ottenhausen | 31 | Head | Janitor | Wisconsin |
| 76 | Clara P. Ottenhausen | 26 | Wife | — | Illinois |
| 77 | Nelson Ottenhausen | 4 | Son | — | Illinois |
| 78 | Margaret Ottenhausen | 2 | Daughter | — | Illinois |
| 79 | Barbara Ottenhausen | 1 | Daughter | — | Illinois |
| 80 | Ralph H. Miley | 32 | Head | House Painter | Illinois |
Pedigree Summary
Oscar
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)