RB
Ralph Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macoupin-County, Illinois
Our Model Tree links this Ralph Brown across the 1910, 1920, 1930 and 1940 US Censuses in Macoupin-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macoupin-County, Illinois |
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | N. Palmyra Twp |
| 1935 Residence (County) | Macoupin |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 75 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | N Palmyra Twp |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Shirley Brown | Daughter | — | 4 | ~1936 |
| Ralph Brown | Head | — | 34 | ~1906 |
| Lucille Brown | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Macoupin, Illinois
Son, age 4
Macoupin, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Macoupin, Illinois
Son, age 14
Macoupin, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macoupin, Illinois
Son, age 24
Macoupin, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macoupin-County, Illinois
Head, age 34
Macoupin-County, Illinois · implied b. ~1906 — 3 household members
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | N. Palmyra Twp |
| 1935 Residence (County) | Macoupin |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 75 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| 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 Ralph Brown across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Brown (~0.92 confidence) and father James Brown (~0.92 confidence) and mother Eva Brown (~0.92 confidence) and mother Evaline Brown (~0.92 confidence) and father James Brown (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
James Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Father
James Brown
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Eva Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Evaline Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
James Brown
b. ~1900
Source father
● Household
· direct · ~0.6
This person
Anchor record
Ralph Brown
Head · 1940 · age 34 · b. ~1906 · 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 — Macoupin-County, Illinois
Open full size
1940 US Federal Census — Macoupin-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00847-00257)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lester Sima | 35 | Head | Farmer | Illinois |
| 42 | Ralph Sima | 34 | Son | Farmer | Illinois |
| 43 | Vida Sima | 39 | Wife | — | Illinois |
| 44 | Barton Turner | 75 | Head | Farmer | Illinois |
| 45 | Caddie Turner | 69 | Wife | — | Illinois |
| 46 | Nola Harbaugh | 71 | Sister-in-law | — | Illinois |
| 47 | Raymond Turner | 38 | Son | Farmer | Illinois |
| 48 | Lester Turner | 29 | Son | Farmer | Illinois |
| 49 | Mary Turner | 31 | Daughter | Cashier | Illinois |
| 50 | Thomas Hayes | 53 | Head | Farmer | Kentucky |
| 51 | Etta Hayes | 69 | Wife | — | Illinois |
| 52 | Clarence Turner | 62 | Head | Farmer | Illinois |
| 53 | Margaret Turner | 57 | Wife | — | Missouri |
| 54 | James Turner | 40 | Head | Farmer | Illinois |
| 55 | Leatha Turner | 46 | Wife | — | Illinois |
| 56 | Blanche Turner | 14 | Daughter | — | Illinois |
| 57 | Joyce Turner | 9 | Daughter | — | Illinois |
| 58 | Bert Martin | 25 | Head | Farmer | Illinois |
| 59 | Eileen Martin | 22 | Wife | — | Illinois |
| 60 | Russell Martin | 3 | Son | — | Illinois |
| 61 | Richard Martin | 2 | Son | — | Illinois |
| 62 | Willie Turner | 74 | Head | Farmer | Illinois |
| 63 | Lou Turner | 70 | Wife | — | Illinois |
| 64 | Maye Baker | 55 | Head | — | Illinois |
| 65 | George S. Baker | 35 | Son | Farmer | Illinois |
| 66 | Flora Allen | 78 | Head | — | Illinois |
| 67 | V. Kathern Allen | 47 | Daughter | — | Illinois |
| 68 | Louis Fry | 34 | Head | — | Illinois |
| 69 | Oda Watt | 63 | Head | Farmer | Illinois |
| 70 | Georgiana Watt | 50 | Wife | — | Illinois |
| 71 | Curtis Twally | 50 | Head | Farmer | Illinois |
| 72 | Hazel Twally | 50 | Wife | — | Illinois |
| 73 | Glen Miller | 28 | Head | Farmer | Illinois |
| 74 | Mary Miller | 22 | Wife | — | Illinois |
| 75 | Thomas Miller | 2 | Son | — | Illinois |
| 76 | Ralph Brown THIS PERSON | 34 | Head | Farmer | Illinois |
| 77 | Lucille Brown | 31 | Wife | — | Illinois |
| 78 | Shirley Brown | 4 | Daughter | — | Illinois |
| 79 | Ross Stillwell | 21 | Head | Farmer | Illinois |
| 80 | Martha Stillwell | 18 | Wife | — | Missouri |
Pedigree Summary
Ralph
Gen 1 · 5 parents
~0.86
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)