RB
Robert Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Robert Brooks across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Wilbur & Mary — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Brooks |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Calendar Operator |
| Industry | Rubber Shoe Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Calendar Operator |
| Township / Ward | Rock Island City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Brooks | Head | — | 53 | ~1887 |
| Phillip Tye | Other | — | 30 | ~1910 |
| Robert Brooks | Son | — | 25 | ~1915 |
Census Appearances
1920
Rock Island, …
Son, age 4
Rock Island, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooke |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 14
Rock Island, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Son, age 25
Rock-Island-County, Illinois · implied b. ~1915 — 3 household members
| Surname | Brooks |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Occupation | Calendar Operator |
| Industry | Rubber Shoe Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| 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 Robert Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wilbur Brooke (~0.92 confidence) and mother Mary Brooks (~0.92 confidence) and mother Mary Brooks (~0.92 confidence) and mother Mary Brooke (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wilbur Brooke
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Brooks
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Brooks
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Brooke
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Brooks
Son · 1940 · age 25 · b. ~1915 · 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00876-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice A. Young | 78 | Lodger | — | Wisconsin |
| 2 | William S. Ogden | 66 | Head | Clerical | Illinois |
| 3 | Clara H. Ogden | 66 | Wife | — | Illinois |
| 4 | Joseph G. Ray | 65 | Head | National Sec'Y | Illinois |
| 5 | Frances M. Ray | 63 | Wife | — | Illinois |
| 6 | Hilda Reynolds | 55 | Housekeeper | Housekeeper | Illinois |
| 7 | Kenneth P. Popplewell | 40 | Head | Dealer Distributor | New York |
| 8 | Edith S. Popplewell | 38 | Wife | — | Illinois |
| 9 | Mary Brooks | 53 | Head | — | Illinois |
| 10 | Robert E. Brooks THIS PERSON | 25 | Son | Calendar Operator | Illinois |
| 11 | Phillip J. Tye | 30 | Lodger | Truck Driver | Illinois |
| 12 | Thomas F. Kegan | 63 | Head | Watchman | Illinois |
| 13 | Agnes Young | 70 | Sister | — | Illinois |
| 14 | Charlotte M. Stone | 48 | Head | High School Teacher | Iowa |
| 15 | Elmer E. Mcdole | 36 | Head | Traveling Salesman | Illinois |
| 16 | Cleo Y. Mcdole | 34 | Wife | — | Iowa |
| 17 | David Dunn | 35 | Head | Manager | Michigan |
| 18 | Lucile Dunn | 34 | Wife | — | Pennsylvania |
| 19 | Priscilla Dunn | 9 | Daughter | — | Pennsylvania |
| 20 | Charles Walker | 62 | Head | Gardner | Illinois |
| 21 | Bessie M. Walker | 56 | Wife | — | Illinois |
| 22 | Thomas Corbin | 28 | Head | Machine Operator | South Dakota |
| 23 | Martha Corbin | 23 | Wife | — | Iowa |
| 24 | Patricia R. Corbin | 2 | Daughter | — | Illinois |
| 25 | Carol D. Corbin | 1 | Daughter | — | Illinois |
| 26 | John D. Gippert | 68 | Head | Switch Engineer | Illinois |
| 27 | Alice M. Gippert | 63 | Wife | — | Illinois |
| 28 | Blanche M. Shanes | 31 | Daughter | Stenographer | Illinois |
| 29 | Mary J. Shanes | 7 | Granddaughter | — | Illinois |
| 30 | John J. Paulsen | 61 | Head | Truck Driver | Illinois |
| 31 | Jennie E. Paulsen | 60 | Wife | — | Illinois |
| 32 | Dora Paulsen | 82 | Mother | — | Germany |
| 33 | Fred J. Gappers | 32 | Head | Foreman | Italy |
| 34 | Donata Gappers | 31 | Wife | — | Illinois |
| 35 | Marceline J. Gappers | 12 | Son | — | Illinois |
| 36 | James Gappers | 11 | Son | — | Illinois |
| 37 | Georgianna Gappers | 9 | Daughter | — | Illinois |
| 38 | Andrew Paulsen | 62 | Head | Shipper | Illinois |
| 39 | Hattie Paulsen | 64 | Wife | — | Illinois |
| 40 | John Schroeder | 58 | Lodger | Boat Builder | Illinois |
Related Census Records
Pedigree Summary
Robert
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)