DB
Donald Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Peoria-County, Illinois
Our Model Tree links this Donald Brown across the 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Mayme — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Peoria-County, Illinois |
| Surname | Brown |
| Given Name | Donald R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Peoria City |
| 1935 Residence (County) | Peoria |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Peoria City |
| Est. Birth Year | ~1916 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Daughter | — | 16 | ~1924 |
| Lyman Brown | Head | — | 52 | ~1888 |
| Donald Brown | Son | — | 24 | ~1916 |
| Mayme Brown | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Peoria, Illinois
Son, age 5
Peoria, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Peoria, Illinois
Son, age 15
Peoria, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Donald R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Peoria-County, Illinois
Son, age 24
Peoria-County, Illinois · implied b. ~1916 — 4 household members
| Surname | Brown |
| Given Name | Donald R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Peoria City |
| 1935 Residence (County) | Peoria |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 Donald Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Brown (~0.92 confidence) and mother Mayme Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence) and father Lyman Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Brown
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mayme Brown
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Lyman Brown
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Donald Brown
Son · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Mary Brown
Sibling · 1940 · age 16
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 — Peoria-County, Illinois
Open full size
1940 US Federal Census — Peoria-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00919-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Ward | 3 | daughter | — | Illinois |
| 2 | Beverly Ward | 1 | daughter | — | Illinois |
| 3 | Jacob H Moon | 31 | head | Salesman | Illinois |
| 4 | Artis Mae Moon | 27 | wife | — | Oklahoma |
| 5 | John H Shatkus | 54 | head | Miner | Lithuania |
| 6 | Anna Shatkus | 51 | wife | — | Lithuania |
| 7 | George Shatkus | 26 | son | Truck Driver | Illinois |
| 8 | Anna Shatkus | 16 | daughter in law | — | Illinois |
| 9 | Anthony Shatkus | 60 | brother | Miner | Lithuania |
| 10 | Frank A Weber | 43 | head | Credit Manager | Illinois |
| 11 | Mildred A Weber | 40 | wife | — | Illinois |
| 12 | Frank Jr Weber | 21 | son | — | Illinois |
| 13 | Jacqueline Weber | 19 | daughter | — | Illinois |
| 14 | Billie R Weber | 12 | son | — | Illinois |
| 15 | Lyman H Brown | 52 | head | Weighmaster | Illinois |
| 16 | Mayme A Brown | 57 | wife | — | Illinois |
| 17 | Donald R Brown THIS PERSON | 24 | son | — | Illinois |
| 18 | Mary L Brown | 16 | daughter | — | Illinois |
| 19 | John L Schepke | 54 | head | Maintenance | Germany |
| 20 | Anna M Schepke | 50 | wife | — | New York |
| 21 | Clara J Schepke | 23 | daughter | Bookkeeper | Illinois |
| 22 | William F Schepke | 20 | son | Bakery | Illinois |
| 23 | Thomas L Schepke | 17 | son | — | Illinois |
| 24 | Ewell C Inman | 30 | head | Laborer | Illinois |
| 25 | Esther M Inman | 28 | wife | — | Iowa |
| 26 | Carole L Inman | 8 | daughter | — | Illinois |
| 27 | Bob J Meade | 48 | head | Grocer | New York |
| 28 | Edna M Meade | 40 | wife | Grocery | Kentucky |
| 29 | Anna Patroff | 50 | head | — | Jugoslavia |
| 30 | John Patroff | 19 | son | Laborer | Illinois |
| 31 | Frank Patroff | 18 | son | New Worker | Illinois |
| 32 | Elizabeth Patroff | 16 | daughter | — | Illinois |
| 33 | Joshua W Travis | 64 | head | Machine Adjuster | Illinois |
| 34 | Tillie Travis | 59 | wife | — | Minnesota |
| 35 | Grace Travis | 38 | daughter | Order Clerk | Illinois |
| 36 | Ruth R Travis | 22 | daughter | Laborer | Illinois |
| 37 | Doris Jacob | 32 | daughter | — | Illinois |
| 38 | Sherrilyn Jacob | 7 | granddaughter | — | Illinois |
| 39 | Sandra Jacob | 4 | granddaughter | — | Illinois |
| 40 | Alberta Fox | 24 | neice | Bottling | Illinois |
Pedigree Summary
Donald + 1 sibling
Gen 1 · 4 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)