IB
Ira Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Ira Brown across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Marshall & Eleanor — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Brown |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Blue Mound Township |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | truck driver |
| Industry | dairy |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Blue Mound Township |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ira | Age | Birth yr |
|---|---|---|---|---|
| Byron Brown | Son | — | 22 | ~1918 |
| Elizabeth Brown | Daughter | — | 23 | ~1917 |
| Carroll Brown | Son | — | 20 | ~1920 |
| Eleanora Brown | Spouse | — | 50 | ~1890 |
| Marshall Brown | Head | — | 55 | ~1885 |
| Eleanor Brown | Daughter | — | 13 | ~1927 |
| Richard Brown | Son | — | 17 | ~1923 |
| Ira Brown | Son | — | 25 | ~1915 |
Census Appearances
1920
Macon, Illinois
Son, age 5
Macon, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Irac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 15
Macon, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ira H. |
| 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
Macon-County, Illinois
Son, age 25
Macon-County, Illinois · implied b. ~1915 — 8 household members
| Surname | Brown |
| Given Name | Ira |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Blue Mound Township |
| 1935 Residence (County) | Macon |
| Occupation | truck driver |
| Industry | dairy |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 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 Ira Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marshall Brown (~0.92 confidence) and mother Eleanor Brown (~0.92 confidence) and mother Eleanora Brown (~0.92 confidence) and mother Nell Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marshall Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Eleanor Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Eleanora Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Nell Brown
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ira Brown
Son · 1940 · age 25 · b. ~1915 · Illinois
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Sibling
Carroll Brown
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Brown
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Brown
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron Brown
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Brown
Sibling · 1940 · age 17
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 — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00843-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Orville Uhrich | 39 | Head | Farmer | Illinois |
| 2 | Lulu Uhrich | 39 | Wife | — | Illinois |
| 3 | Charles Uhrich | 16 | Son | — | Illinois |
| 4 | Eileen Uhrich | 14 | Daughter | — | Illinois |
| 5 | Dorothy Uhrich | 12 | Daughter | — | Illinois |
| 6 | Minnie Hagy | 74 | Aunt | — | Illinois |
| 7 | Samuel Jockisch | 63 | Head | Farmer | Illinois |
| 8 | Nellie Jockisch | 49 | Wife | — | Illinois |
| 9 | David Jockisch | 63 | Head | Farmer | Illinois |
| 10 | Annamay Jockisch | 53 | Wife | — | Missouri |
| 11 | David Jr. Jockisch | 24 | Son | Carpenter | Illinois |
| 12 | H. H. Colley | 63 | Head | — | Illinois |
| 13 | Blanche Colley | 54 | Wife | — | Illinois |
| 14 | Omar Hopkins | 33 | Head | Farmer | Illinois |
| 15 | Esther Hopkins | 32 | Wife | — | Illinois |
| 16 | Phyllis Hopkins | 10 | Daughter | — | Illinois |
| 17 | John Richard Hopkins | 6 | Son | — | Illinois |
| 18 | Ella Kater | 69 | Mother | — | Illinois |
| 19 | Redvers Morris | 38 | Head | Farmer | England |
| 20 | Fleta Morris | 30 | Wife | — | Illinois |
| 21 | Junior Morris | 18 | Son | Laborer | Illinois |
| 22 | Dallas Morris | 9 | Son | — | Illinois |
| 23 | Dixene Morris | 6 | Son | — | Illinois |
| 24 | Edith Morris | 4 | Daughter | — | Illinois |
| 25 | Morris Stevens | 17 | Nephew | Laborer | Illinois |
| 26 | Melvin Stevens | 12 | Nephew | — | Illinois |
| 27 | Frank King | 29 | Head | Farmer | Illinois |
| 28 | Dorothy King | 27 | Wife | — | Illinois |
| 29 | Bess Albers | 53 | Head | — | Illinois |
| 30 | Mildred Ann Albers | 14 | Daughter | — | Illinois |
| 31 | Ed. Matthews | 45 | Head | Farmer | Illinois |
| 32 | Vita Matthews | 44 | Wife | — | Illinois |
| 33 | Marshall Brown | 55 | Head | Farmer | Illinois |
| 34 | Eleanora Brown | 50 | Wife | — | Illinois |
| 35 | Ira Brown THIS PERSON | 25 | Son | Truck Driver | Illinois |
| 36 | Elizabeth Brown | 23 | Daughter | Domestic | Illinois |
| 37 | Byron Brown | 22 | Son | — | Illinois |
| 38 | Carroll Brown | 20 | Son | Checker | Illinois |
| 39 | Richard Brown | 17 | Son | — | Illinois |
| 40 | Eleanor Brown | 13 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Ira + 5 siblings
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)