RB
Ralph Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Illinois
Our Model Tree links this Ralph Brown across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Illinois (XGBoost, ~Confirmed), with identified parents Samuel & Henry — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Illinois |
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Litchfield town |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Litchfield Town |
| 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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Bonnie Brown | Daughter | — | 23 | ~1917 |
| Henry Brown | Head | — | 71 | ~1869 |
| Ralph Brown | Son | — | 32 | ~1908 |
| Nellie Brown | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Montgomery, Illinois
Son, age 11
Montgomery, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Montgomery, Illinois
Son, age 21
Montgomery, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Montgomery-County, Illinois
Son, age 32
Montgomery-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Litchfield town |
| 1935 Residence (County) | Montgomery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 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 Ralph Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Brown (~0.92 confidence) and father Henry Brown (~0.92 confidence) and mother Nellie Brown (~0.92 confidence) and father Dan Brown (~0.92 confidence) and mother Marie Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Brown
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Henry Brown
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Nellie Brown
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Dan Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Marie Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Brown
Son · 1940 · age 32 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Bonnie Brown
Sibling · 1940 · age 23
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 — Montgomery-County, Illinois
Open full size
1940 US Federal Census — Montgomery-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00860-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry S. Brown | 71 | Head | — | Illinois |
| 42 | Nellie Brown | 69 | Wife | — | Illinois |
| 43 | Ralph Brown THIS PERSON | 32 | Son | — | Illinois |
| 44 | Bonnie Brown | 23 | Daughter | — | Illinois |
| 45 | George George | 26 | Head | Butcher | Illinois |
| 46 | Phyllis George | 24 | Wife | — | Illinois |
| 47 | George Jr. George | 1 | Son | — | Illinois |
| 48 | Edward Butler | 56 | Head | Coal Miner | Illinois |
| 49 | Pearl Butler | 54 | Wife | — | Illinois |
| 50 | Rosabelle Butler | 23 | Daughter | Laborer | Illinois |
| 51 | Fred Butler | 22 | Son | To Drive | Illinois |
| 52 | C. Dashwood | 59 | Head | — | Illinois |
| 53 | Nora Dashwood | 52 | Wife | Sewing Room | Illinois |
| 54 | Allen France | 24 | Head | Laborer | Illinois |
| 55 | Alice France | 24 | Wife | — | Illinois |
| 56 | Delania France | 4 | Daughter | — | Illinois |
| 57 | Donald France | 3 | Son | — | Illinois |
| 58 | Jesse Logsdon | 32 | Head | Relief | Illinois |
| 59 | Charles Dewitt | 21 | Head | Relief | Illinois |
| 60 | Marie Dewitt | 19 | Wife | — | Illinois |
| 61 | Marie Dewitt | 2 | Daughter | — | Illinois |
| 62 | Levin H. Christopher | 52 | Head | — | Illinois |
| 63 | Margaret Christopher | 47 | Wife | — | Illinois |
| 64 | Harlan Christopher | 21 | Son | — | Illinois |
| 65 | George Christopher | 18 | Son | — | Arkansas |
| 66 | Mary Alice Christopher | 16 | Daughter | — | Illinois |
| 67 | E. C. Christopher | 12 | Son | — | Illinois |
| 68 | Martha Christopher | 11 | Daughter | — | Illinois |
| 69 | Betty Christopher | 7 | Daughter | — | Illinois |
| 70 | Patricia Christopher | 5 | Daughter | — | Illinois |
| 71 | Edward Christopher | 3 | Son | — | Illinois |
| 72 | Muriel Christopher | 2 | Daughter | — | Illinois |
| 73 | Eddie Jones | 27 | Head | Laborer | Illinois |
| 74 | Ruth Jones | 24 | Wife | — | Illinois |
| 75 | Jacqueline Jones | 2 | Daughter | — | Illinois |
| 76 | Lawson Taylor | 67 | Head | — | Illinois |
| 77 | Joe Davidson | 20 | Lodger | Laborer | Illinois |
| 78 | Clara Small | 53 | Lodger | — | Illinois |
| 79 | Cora Line Devitt | None | — | — | — |
| 80 | Cora Line Devitt | None | — | — | — |
Related Census Records
Pedigree Summary
Ralph + 1 sibling
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)