KS
Kenneth Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Kenneth Smith across the 1910, 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents James & John — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Mechanical Engineer |
| Industry | University |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 229 |
| Highest Grade | C 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mechanical Engineer |
| Township / Ward | Champaign |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Frances Smith | Daughter | — | 11 | ~1929 |
| Kenneth Smith | Head | — | 32 | ~1908 |
| Gene Biedermann | Other | — | 25 | ~1915 |
| Rae Smith | Spouse | — | 21 | ~1919 |
Census Appearances
1910
Champaign, Illinois
Son, age 2
Champaign, Illinois · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Champaign, Illinois
Son, age 12
Champaign, Illinois · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 22
Champaign, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 32
Champaign-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Smith |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana |
| 1935 Residence (County) | Champaign |
| Occupation | Mechanical Engineer |
| Industry | University |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 229 |
| Highest Grade | C 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 Kenneth Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father John Smith (~0.92 confidence) and father John Smith (~0.92 confidence) and mother Lottie Smith (~0.92 confidence) and mother Lottie Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Smith
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Lottie Smith
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Lottie Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Smith
Head · 1940 · age 32 · b. ~1908 · 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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00765-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Francis Lawrence | 45 | Head | — | Illinois |
| 42 | Edward Joseph Lawrence | 25 | Son | — | Illinois |
| 43 | William Jerome Lawrence | 21 | Son | — | Illinois |
| 45 | Beatrice Isle | 49 | Head | Laundry | Illinois |
| 46 | Kenneth Isle | 25 | Son | Clerk | Illinois |
| 47 | Margaret J. Lidner | 69 | Head | — | Illinois |
| 48 | Joseph P. Schilling | 50 | Head | Watch Maker | Ohio |
| 49 | Lillian Schilling | 49 | Wife | — | Illinois |
| 50 | Joseph Jr. Schilling | 22 | Son | Watch Maker | Illinois |
| 51 | Mary Schilling | 20 | Daughter | Receptionist | Illinois |
| 53 | George M. Matteo | 61 | Head | Banker | Illinois |
| 54 | Milly Matteo | 27 | Wife | — | Illinois |
| 55 | Elsie Cora Matteo | 25 | Daughter | Teacher | Illinois |
| 56 | William B. Keusink | 59 | Head | Pharmacist | Illinois |
| 57 | Hazel E. Keusink | 49 | Wife | — | Illinois |
| 58 | Thompson Mcpherson | 75 | Head | Clerical | Illinois |
| 59 | Bertha M. Mcpherson | 65 | Wife | — | Illinois |
| 60 | Arthur Sheridan | 64 | Head | Realtor | Illinois |
| 61 | Mary Sheridan | 57 | Wife | — | Illinois |
| 62 | Charles A. Flowers | 70 | Head | Farmer | Illinois |
| 63 | Elizabeth Flowers | 66 | Wife | — | Illinois |
| 64 | Georgia Flowers | 41 | Daughter | — | Illinois |
| 65 | Herbert Johnston | 69 | Head | — | Illinois |
| 66 | Ollie B. Johnston | 67 | Wife | — | Indiana |
| 68 | Harold Howell White | 40 | Head | Sales Manager | New York |
| 69 | Margaret White | 37 | Wife | — | New York |
| 70 | Charles White | 13 | Son | — | New York |
| 71 | Mary Olive White | 5 | Daughter | — | New York |
| 72 | Wayne Jacobs | 46 | Head | — | Indiana |
| 73 | Ruth Jacobs | 15 | Daughter | — | Illinois |
| 74 | Eugene Jacobs | 13 | Son | — | Illinois |
| 75 | Kenneth Smith THIS PERSON | 32 | Head | Mechanical Engineer | Illinois |
| 76 | Rae Smith | 21 | Wife | — | Illinois |
| 77 | Frances Smith | 11 | Daughter | — | Illinois |
| 78 | Gene Biedermann | 25 | Brother-in-law | New Worker | Illinois |
| 79 | Clara Jacobs | 65 | Head | — | Illinois |
| 80 | James Edgar Glinty | 69 | Head | President & Manager | Illinois |
Related Census Records
Pedigree Summary
Kenneth
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)