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James Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Adams-County, Iowa
Our Model Tree links this James Brown across the 1920, 1930 and 1940 US Censuses in Adams-County, Iowa (XGBoost, ~Confirmed), with identified parents Benjamin & Ben — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Iowa |
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Adams |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Quincy Twp |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Betty Brown | Daughter | — | 4 | ~1936 |
| James Brown | Head | — | 30 | ~1910 |
| Helena Brown | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Adams, Iowa
Son, age 9
Adams, Iowa · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Adams, Iowa
Son, age 19
Adams, Iowa · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Labourer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adams-County, Iowa
Head, age 30
Adams-County, Iowa · implied b. ~1910 — 3 household members
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Adams |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 James Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Brown (~0.92 confidence) and father Ben Brown (~0.92 confidence) and mother Martha Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Brown
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Ben Brown
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Martha Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Brown
Head · 1940 · age 30 · b. ~1910 · Iowa
★ 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 — Adams-County, Iowa
Open full size
1940 US Federal Census — Adams-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Duane Houck | 6 | Son | — | Iowa |
| 2 | Glen Howell | 25 | Head | Farm Hand | Iowa |
| 3 | Wilma Howell | 25 | Wife | — | Iowa |
| 4 | Mitzi Kay Howell | 0 | Daughter | — | Iowa |
| 5 | Arval Palmer | 39 | Head | Farmer | Iowa |
| 6 | Mattie Palmer | 37 | Wife | — | Iowa |
| 7 | Marvin Palmer | 19 | Son | Farm Helper | Iowa |
| 8 | Evelyn Palmer | 17 | Daughter | House Keeper | Iowa |
| 9 | Russell Palmer | 16 | Son | Farm Helper | Iowa |
| 10 | F. W. Roberts | 52 | Head | Farmer | Iowa |
| 11 | Cyrena Roberts | 47 | Wife | — | Illinois |
| 12 | Wilma Roberts | 14 | Daughter | Student | Iowa |
| 13 | Frank Jr. Roberts | 10 | Son | — | Iowa |
| 14 | Arlene Roberts | 7 | Daughter | — | Iowa |
| 15 | James Sheridan | 64 | Head | Farmer | Iowa |
| 16 | Emma Sheridan | 62 | Wife | — | Kansas |
| 17 | Ralph Brown | 40 | Head | Miner | Iowa |
| 18 | Ida Brown | 38 | Wife | — | Iowa |
| 19 | Ralph Jr. Brown | 18 | Son | Miner | Iowa |
| 20 | Cathleen Brown | 14 | Daughter | Student | Iowa |
| 21 | James Brown THIS PERSON | 30 | Head | Farmer | Iowa |
| 22 | Helena Brown | 28 | Wife | — | Iowa |
| 23 | Betty Jean Brown | 4 | Daughter | — | Iowa |
| 24 | Floyd Olds | 49 | Head | Farmer | Iowa |
| 25 | Alta Olds | 49 | Wife | — | Iowa |
| 26 | Walter Olds | 22 | Son | Student | Iowa |
| 27 | John Walton | 62 | Head | Farmer | Iowa |
| 28 | John Jr. Walton | 23 | Son | Farm Hand | Iowa |
| 29 | Lesley Heselton | 44 | Head | Farmer | Iowa |
| 30 | Blanche Heselton | 36 | Wife | — | Iowa |
| 31 | Rowena Heselton | 16 | Daughter | House Keeper | Iowa |
| 32 | Jessica Heselton | 14 | Son | Student | Iowa |
| 33 | Stanley Heselton | 12 | Son | — | Iowa |
| 34 | Colin Heselton | 4 | Son | — | Iowa |
| 35 | Erwin Miller | 51 | Head | Farmer | Iowa |
| 36 | Lelia Miller | 50 | Wife | — | Iowa |
| 37 | Max Miller | 22 | Son | Truck Driver | Iowa |
| 38 | Ruth Miller | 15 | Daughter | Student | Nebraska |
| 39 | Mary Miller | 13 | Daughter | — | Iowa |
| 40 | Ira Robinson | 46 | Head | Farmer | Iowa |
Pedigree Summary
James
Gen 1 · 3 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)