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Joseph Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Joseph Brooks across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Samuel & Sarah — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Electrician |
| Class of Worker | PW |
| Hours Worked | 79 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Electrician |
| Township / Ward | Boston 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Brooks | Son | — | 25 | ~1915 |
| Harry Brooks | Son | — | 20 | ~1920 |
| David Brooks | Son | — | 15 | ~1925 |
| Samuel Brooks | Head | — | 59 | ~1881 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Brooks |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Electrician |
| Class of Worker | PW |
| Hours Worked | 79 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Joseph Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Brooks (~0.92 confidence) and mother Sarah Brooks (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Brooks
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Sarah Brooks
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Brooks
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
David Brooks
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Brooks
Sibling · 1940 · age 20
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01670-00815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Parker | 73 | Wife | — | Russia |
| 42 | Sarah Parker | 45 | Daughter | Stitcher | Russia |
| 43 | David Klinghoffer | 65 | Head | — | Russia |
| 44 | Robert Klinghoffer | 40 | Son | — | New York |
| 45 | Helen Klinghoffer | 37 | Daughter | Bookkeeper | Massachusetts |
| 46 | Solomon Klinghoffer | 33 | Son | Printer | Massachusetts |
| 47 | William Klinghoffer | 26 | Son | — | Massachusetts |
| 48 | William Bradley | 38 | Son | Elevator Operator | Pennsylvania |
| 49 | Rose Bradley | 35 | Daughter | — | New York |
| 50 | Richard Bradley | 3 | Grandson | — | Massachusetts |
| 51 | Samuel Kellem | 29 | Head | Plumber | Russia |
| 52 | Ruth Kellem | 29 | Wife | — | Massachusetts |
| 53 | Elgin Kellem | 4 | Daughter | — | Massachusetts |
| 54 | Lawrence Kellem | 1 | Son | — | Massachusetts |
| 55 | Manuel Richman | 30 | Head | Dealer | Massachusetts |
| 56 | Rose Richman | 29 | Wife | — | Russia |
| 57 | Harold Richman | 6 | Son | — | New York |
| 58 | Hilda Yanofsky | 40 | Lodger | — | Russia |
| 59 | Samuel Billert | 57 | Head | Clerk | Russia |
| 60 | Celia Billert | 55 | Wife | — | Russia |
| 61 | Clare Billert | 25 | Daughter | Bookkeeper | Massachusetts |
| 62 | Robert Billert | 21 | Son | Merchant | Massachusetts |
| 63 | Samuel Rappaport | 45 | Lodger | Clerk | Illinois |
| 64 | Blanche Andelman | 64 | Head | — | Massachusetts |
| 65 | Harry Hershberg | 77 | Head | Traveling Salesman | Russia |
| 66 | Sarah Hershberg | 38 | Daughter | — | Massachusetts |
| 67 | William O'Driscoll | 52 | Head | Foreman | Massachusetts |
| 68 | Gertrude O'Driscoll | 42 | Wife | — | Connecticut |
| 69 | Gertrude O'Driscoll | 22 | Daughter | Waitress | Massachusetts |
| 70 | William O'Driscoll | 20 | Son | New Worker | Massachusetts |
| 71 | Frederick O'Driscoll | 19 | Son | — | Massachusetts |
| 72 | John O'Driscoll | 16 | Son | — | Massachusetts |
| 73 | Ellen O'Driscoll | 12 | Daughter | — | Massachusetts |
| 74 | Marie O'Driscoll | 7 | Daughter | — | Massachusetts |
| 75 | Samuel Brooks | 59 | Head | Tailor | Russia |
| 76 | Joseph Brooks THIS PERSON | 25 | Son | Electrician | Massachusetts |
| 77 | Harry Brooks | 20 | Son | Manufacturer | Massachusetts |
| 78 | David Brooks | 15 | Son | — | Massachusetts |
| 79 | Goldie Goodman | 50 | Head | — | Russia |
| 80 | Frank Goodman | 27 | Son | Dealer | Massachusetts |
Related Census Records
Pedigree Summary
Joseph + 2 siblings
Gen 1 · 2 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)