RS
Robert Spencer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Robert Spencer across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents Miles & Bernadine — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Spencer |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Champaign |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Spencer | Son | — | 21 | ~1919 |
| Miles Spencer | Head | — | 41 | ~1899 |
| Renatha Spencer | Spouse | — | 40 | ~1900 |
| Dorothy Spencer | Daughter | — | 14 | ~1926 |
| Richard Spencer | Son | — | 20 | ~1920 |
Census Appearances
1920
Champaign, Illinois
Son, age
Champaign, Illinois · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 11
Champaign, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Son, age 21
Champaign-County, Illinois · implied b. ~1919 — 5 household members
| Surname | Spencer |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Highest Grade | C 3 |
| 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 Spencer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Miles Spencer (~0.92 confidence) and mother Bernadine Spencer (~0.92 confidence) and mother Renatha Spencer (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Miles Spencer
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Bernadine Spencer
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Renatha Spencer
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Spencer
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Dorothy Spencer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Spencer
Sibling · 1940 · age 20
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
1940 US Federal Census — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vernon D. Richards | 43 | Head | Student | Iowa |
| 42 | Marian Richards | 43 | Wife | — | Illinois |
| 43 | Leister Gill | 48 | Head | Piano Tech. | Illinois |
| 44 | Neva Rae Gill | 44 | Wife | — | Illinois |
| 45 | Leo Glenn Gill | 21 | Son | — | Illinois |
| 46 | Donald Wayne Gill | 17 | Son | — | Illinois |
| 47 | Fred W. Ekbom | 25 | Head | — | Illinois |
| 48 | Ruth Ekbom | 27 | Wife | — | Illinois |
| 49 | C. E. Lall | 34 | Head | Attorney | Illinois |
| 50 | Ray D. Lall | 32 | Wife | — | Illinois |
| 51 | Mary Ruth Lall | 7 | Daughter | — | Illinois |
| 52 | Lucille Kathryn Lall | 1 | Daughter | — | Illinois |
| 53 | Nolan Hodges | 31 | Head | Accountant | Illinois |
| 54 | Sara E. Hodges | 24 | Wife | — | Illinois |
| 55 | Jack Jares | 30 | Head | Journalist | Michigan |
| 56 | Geraldine Jares | 30 | Wife | — | Michigan |
| 57 | J. William Jares | 8 | Son | — | Michigan |
| 58 | David Jares | 5 | Son | — | Illinois |
| 59 | Wilbur Smith | 49 | Head | Salesman | Michigan |
| 60 | Myrtle Smith | 48 | Wife | — | Michigan |
| 61 | Jeanette Smith | 18 | Daughter | — | Illinois |
| 62 | Leroy Whitsitt | 40 | Head | Salesman | Illinois |
| 63 | Allen Whitsitt | 40 | Wife | — | Missouri |
| 64 | Donald Whitsitt | 9 | Son | — | Illinois |
| 65 | James H. Tilley | 49 | Head | Civil Engineer | Indiana |
| 66 | Maude Tilley | 47 | Wife | — | Mississippi |
| 67 | Miles M. Spencer | 41 | Head | Garage Owner | Illinois |
| 68 | Renatha Spencer | 40 | Wife | — | Illinois |
| 69 | Robert M. Spencer THIS PERSON | 21 | Son | — | Illinois |
| 70 | Richard E. Spencer | 20 | Son | — | Illinois |
| 71 | Dorothy Lee Spencer | 14 | Daughter | — | Illinois |
| 72 | John F. Campbell | 46 | Head | Dental Laboratory | Illinois |
| 73 | La Velle Campbell | 32 | Wife | — | Illinois |
| 74 | Patricia Ellen Campbell | 6 | Daughter | — | Illinois |
| 75 | John Campbell | 0 | Son | — | Illinois |
| 76 | Leopold Judah | 42 | Head | Doctor Of Hygiene | Kentucky |
| 77 | Alletta Judah | 37 | Wife | — | Ohio |
| 78 | Carolyn Judah | 10 | Daughter | — | Illinois |
| 79 | Frances Judah | 6 | Daughter | — | Illinois |
| 80 | Howard White | 51 | Head | Automobile Dealer | Illinois |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 3 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)