RB
Robert Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leavenworth-County, Kansas
Our Model Tree links this Robert Brooks across the 1920, 1930 and 1940 US Censuses in Leavenworth-County, Kansas (XGBoost, ~Confirmed), with identified parents Melvin & Lena — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Leavenworth-County, Kansas |
| Surname | Brooks |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Leavenworth |
| Additional Details | |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Delaware |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Norma Crosby | Daughter | — | 3 | ~1937 |
| Pansy Crosby | Daughter | — | 29 | ~1911 |
| Lena Brooks | Head | — | 62 | ~1878 |
| Hugo Crosby | Other | — | 31 | ~1909 |
| Robert Brooks | Son | — | 26 | ~1914 |
Census Appearances
1920
Leavenworth, Kansas
Son, age 6
Leavenworth, Kansas · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Leavenworth, Kansas
Son, age 16
Leavenworth, Kansas · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Leavenworth-County, Kansas
Son, age 26
Leavenworth-County, Kansas · implied b. ~1914 — 5 household members
| Surname | Brooks |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Leavenworth |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Melvin Brooks (~0.92 confidence) and mother Lena Brooks (~0.92 confidence) and mother Lena Brooks (~0.92 confidence) and father Melvin Brooks (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Melvin Brooks
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Lena Brooks
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lena Brooks
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Melvin Brooks
b. ~1907
Source father
● Household
· direct · ~0.6
This person
Anchor record
Robert Brooks
Son · 1940 · age 26 · b. ~1914 · Kansas
★ You are viewing this record
Sibling
Norma Crosby
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pansy Crosby
Sibling · 1940 · age 29
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 — Leavenworth-County, Kansas
Open full size
1940 US Federal Census — Leavenworth-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01240-00029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Helms | 68 | Head | — | Germany |
| 2 | Eugene Helms | 23 | Son | — | Kansas |
| 3 | Caroline Romig | 69 | Mother-in-law | — | Germany |
| 4 | Harry C. Dickey | 60 | Head | Farmer | Kansas |
| 5 | Jennie Dickey | 56 | Sister | Teacher | Kansas |
| 6 | Frank Wicher | 78 | Head | Farmer | Indiana |
| 7 | James Mountjoy | 20 | Hired man | Farmer | Missouri |
| 8 | Lou Mountjoy | 18 | Servant | Servant | Kansas |
| 9 | James O. Mountjoy | 53 | Hired man | Farmer | Missouri |
| 10 | Frank Krohne | 53 | Head | Farmer | Missouri |
| 11 | Rose Krohne | 49 | Wife | — | Kansas |
| 12 | Frank Krohne | 22 | Son | — | Kansas |
| 13 | Frank Medford | 24 | Hired man | Farmer | Oklahoma |
| 14 | Oscar Grafe | 44 | Head | Farmer | Kansas |
| 15 | Josephine Grafe | 36 | Wife | — | Kansas |
| 16 | Irene Grafe | 16 | Daughter | — | Kansas |
| 17 | Marie Grafe | 14 | Daughter | — | Kansas |
| 18 | Harry S. Davis | 43 | Head | Farmer | Kansas |
| 19 | Walter B. Davis | 50 | Brother | Farmer | Colorado |
| 20 | Albert Asbury | 33 | Head | Contract Carrier | Missouri |
| 21 | Myrtle Asbury | 30 | Wife | — | Kansas |
| 22 | Albert Asbury | 11 | Son | — | Kansas |
| 23 | Violet Asbury | 11 | Daughter | — | Kansas |
| 24 | Jack Leroy Asbury | 5 | Son | — | Kansas |
| 25 | Lorain Hassett | 27 | Hired man | Farmer | Kansas |
| 26 | William Carl Wrehe | 23 | Head | Farmer | Kansas |
| 27 | Lola Wrehe | 29 | Wife | — | Kansas |
| 28 | Lena J. Brooks | 62 | Head | — | Kansas |
| 29 | Robert Brooks THIS PERSON | 26 | Son | Farmer | Kansas |
| 30 | Pansy Crosby | 29 | Daughter | — | Kansas |
| 31 | Hugo Crosby | 31 | Son-in-law | Retail Dairy Man | Kansas |
| 32 | Norma Crosby | 3 | Daughter | — | Kansas |
| 33 | Herman J. Brandt | 45 | Head | Farmer | Kansas |
| 34 | Virginia Brandt | 50 | Wife | — | Missouri |
| 35 | George Leonard Brandt | 13 | Son | — | Kansas |
| 36 | Karl Stuckey | 30 | Head | Milk Distributor | Kansas |
| 37 | Mary Stuckey | 27 | Wife | — | Kansas |
| 38 | Elizabeth Ann Stuckey | 3 | Daughter | — | Kansas |
| 39 | Barbara Jean Stuckey | 1 | Daughter | — | Kansas |
| 40 | Julius Adler | 50 | Head | Caretaker Of Farm And Country Home | Germany |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 parents
~0.84
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)