RB
Robert Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Douglas-County, Kansas
Our Model Tree links this Robert Brown across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Douglas-County, Kansas (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1869), then head of a 3-person household.
Age 71
b. ~1869
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Kansas |
| Surname | Brown |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Farmer |
| Industry | mostly Grain Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Marion Township |
| Est. Birth Year | ~1869 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Brown | Head | — | 71 | ~1869 |
| George Brown | Son | — | 27 | ~1913 |
| Lottie Brown | Spouse | — | 65 | ~1875 |
Census Appearances
1900
Douglas, Kansas
Son, age 32
Douglas, Kansas · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Kansas |
| Birth Month | Oct |
| Birth Year | 1868 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1910
Douglas, Kansas
Head, age 41
Douglas, Kansas · implied b. ~1869 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kansas |
| Years Married | 8 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Douglas, Kansas
Head, age 51
Douglas, Kansas · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | Kansas |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | kansas |
1930
Douglas, Kansas
Head, age 61
Douglas, Kansas · implied b. ~1869 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 33 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Douglas-County, Kansas
Head, age 71
Douglas-County, Kansas · implied b. ~1869 — 3 household members
| Surname | Brown |
| Given Name | Robert G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Douglas |
| Occupation | Farmer |
| Industry | mostly Grain Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Robert Brown across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Brown (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Brown
b. ~1833
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Brown
Head · 1940 · age 71 · b. ~1869 · Kansas
★ 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 — Douglas-County, Kansas
Open full size
1940 US Federal Census — Douglas-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00946)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry H. Rappard | 66 | Head | Farmer | Kansas |
| 2 | Matilda Rappard | 59 | Wife | — | Kansas |
| 3 | Donald Rappard | 20 | Son | Farmer | Kansas |
| 4 | Walter J. Oehlert | 47 | Head | Farmer | Kansas |
| 5 | Lulu Oehlert | 47 | Wife | — | Kansas |
| 6 | Geraldine Oehlert | 15 | Daughter | — | Kansas |
| 7 | Margaret Oehlert | 13 | Daughter | — | Kansas |
| 8 | Janice Oehlert | 12 | Daughter | — | Kansas |
| 9 | Harley Lyon | 33 | Head | Farmer | Kansas |
| 10 | Faye Lyon | 29 | Wife | — | Kansas |
| 11 | Doris Lyon | 2 | Daughter | — | Kansas |
| 12 | Dora Lyon | 64 | Head | — | Kansas |
| 13 | Alfred Lyon | 27 | Son | Farm Labor | Kansas |
| 14 | Robert G. Brown THIS PERSON | 71 | Head | Farmer | Kansas |
| 15 | Lottie Brown | 65 | Wife | — | Kansas |
| 16 | George Brown | 27 | Son | Farm Labor | Kansas |
| 17 | Frank Scott | 55 | Head | Farmer | Oklahoma |
| 18 | Leda Scott | 51 | Wife | — | Kansas |
| 19 | Alin Heffner | 35 | Head | Farmer | Kansas |
| 20 | Wilma Heffner | 35 | Wife | — | Kansas |
| 21 | Doris Heffner | 9 | Daughter | — | Kansas |
| 22 | Oscar J. Heinen | 61 | Head | Farmer | Missouri |
| 23 | Jeanetta Heinen | 58 | Wife | — | Kansas |
| 24 | Alvin Heinen | 26 | Son | Farmer | Kansas |
| 25 | Julia Heinen | 23 | Daughter-in-law | — | Missouri |
| 26 | Larry Heinen | 2 | Grandson | — | Kansas |
| 27 | Charles L. Herschell | 59 | Head | Farmer | Kansas |
| 28 | Sarah Herschell | 54 | Wife | — | Illinois |
| 29 | Elaine Herschell | 21 | Daughter | House Work | Kansas |
| 30 | Arlie F. Heffner | 23 | Head | Farmer | Kansas |
| 31 | Laverna Heffner | 21 | Wife | — | Kansas |
| 32 | Murlin Heffner | 2 | Son | — | Kansas |
| 33 | John W. Breithaupt | 52 | Head | Farmer | Kansas |
| 34 | Lottie Breithaupt | 52 | Wife | — | Kansas |
| 35 | Fred Breithaupt | 19 | Son | Farmer | Kansas |
| 36 | Charles Breithaupt | 18 | Son | — | Kansas |
| 37 | Leland Breithaupt | 16 | Son | — | Kansas |
| 38 | John Clifford Breithaupt | 6 | Son | — | Kansas |
| 39 | Benjamin Horst | 58 | Head | Farmer | Maryland |
| 40 | Anna Horst | 58 | Wife | — | Kansas |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 1 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)