RB
Roy Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Roy Brown across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents Harry & Mamie — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Brown |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana City |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | laborer |
| Industry | University |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Urbana City |
| Est. Birth Year | ~1910 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Nancy Brown | Daughter | — | 7 | ~1933 |
| Roy Brown | Head | — | 30 | ~1910 |
| Mamie Brown | Other | — | 60 | ~1880 |
| David Brown | Son | — | 7 | ~1933 |
| Gertrude Brown | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Champaign, Illinois
Son, age 10
Champaign, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Head, age 21
Champaign, Illinois · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Occupation | Florist |
| Industry | Green House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $18 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 30
Champaign-County, Illinois · implied b. ~1910 — 5 household members
| Surname | Brown |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana City |
| 1935 Residence (County) | Champaign |
| Occupation | laborer |
| Industry | University |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | H 2 |
| 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 Roy Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Brown (~0.92 confidence) and mother Mamie Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Brown
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mamie Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Brown
Head · 1940 · age 30 · b. ~1910 · 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
40 people indexed on this census page (nara:1940:m-t0627-00765-00967)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lea Howard | 26 | wife | — | Illinois |
| 42 | Florence Howard | 4 | daughter | — | Illinois |
| 43 | Lloyd Howard | 2 | son | — | Illinois |
| 44 | Matthew Campbell | 66 | Head | — | Indiana |
| 45 | Mary W Campbell | 61 | wife | — | Illinois |
| 46 | Guy Bauman | 43 | Head | Laborer | Missouri |
| 47 | Pearl G Bauman | 41 | wife | — | Illinois |
| 48 | Guy Jr Bauman | 19 | son | Trucker | Illinois |
| 49 | Doris Bauman | 15 | daughter | — | Illinois |
| 50 | Charles Griffit | 36 | Head | Janitor-Laborator | Illinois |
| 51 | Bernice G Griffit | 24 | wife | — | Illinois |
| 52 | Charlene Griffit | 3 | daughter | — | Illinois |
| 53 | Harrison Brown | 75 | Head | — | Illinois |
| 54 | Hester Brown | 74 | wife | — | Illinois |
| 55 | Roy Brown THIS PERSON | 30 | Head | Laborer | Illinois |
| 56 | Gertrude E Brown | 33 | wife | — | Illinois |
| 57 | Nancy Brown | 7 | daughter | — | Illinois |
| 58 | David Brown | 7 | son | — | Illinois |
| 59 | Mamie Brown | 60 | mother | — | Illinois |
| 60 | George Pittman | 46 | Head | Technician | Illinois |
| 61 | Hattie G Pittman | 46 | wife | — | Illinois |
| 62 | Evelyn Pittman | 18 | daughter | — | Illinois |
| 63 | Willis Pittman | 15 | son | — | Illinois |
| 64 | Carl Pittman | 10 | son | — | Illinois |
| 65 | Frank Czerwinski | 49 | lodger | Printer | Iowa |
| 66 | James Roberts | 48 | Head | Laborer | Georgia |
| 67 | Sarah J Roberts | 46 | wife | — | Georgia |
| 68 | Augusta Roberts | 27 | daughter | — | Illinois |
| 69 | Doris Roberts | 26 | son | Teacher | Illinois |
| 70 | Alfred Roberts | 25 | son | Porter | Illinois |
| 71 | William Roberts | 22 | son | Cook | Illinois |
| 72 | James Jr Roberts | 21 | son | — | Illinois |
| 73 | Annie Roberts | 16 | daughter | — | Illinois |
| 74 | Marion Roberts | 18 | D-in-law | — | Illinois |
| 75 | Harold Roberts | 2 | Grandson | — | Illinois |
| 76 | Anna Roberts | 1 | Gr-daughter | — | Illinois |
| 77 | Dian Hill | 0 | Gr-daughter | — | Illinois |
| 78 | Davey Clement | 73 | mother | — | Illinois |
| 79 | Anna Golsey | 49 | Sister | — | Illinois |
| 80 | Raymond Williamson | 34 | Head | Laborer-Fireman | Tennessee |
Pedigree Summary
Roy
Gen 1 · 2 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)