RB
Robert Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Brown across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Hugh & Archie — first a head (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Brown |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | ALLEGHENY |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Blawn Knox Steel |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1500 |
| Highest Grade | No H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Chauffeur |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Barbara Brown | Daughter | — | 7 | ~1933 |
| Robert Brown | Head | — | 36 | ~1904 |
| Robert Brown | Son | — | 10 | ~1930 |
| Alvin Brown | Son | — | 3 | ~1937 |
| Edith Brown | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 17
Allegheny, Pennsylvania · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Car Washer |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 27
Allegheny, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Messenger |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 36
Allegheny-County, Pennsylvania · implied b. ~1904 — 5 household members
| Surname | Brown |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | ALLEGHENY |
| Occupation | Chauffeur |
| Industry | Blawn Knox Steel |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1500 |
| Highest Grade | No H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Brown (~0.92 confidence) and mother Archie Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Archie Brown
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Brown
Head · 1940 · age 36 · b. ~1904 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03661-00088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Zycallo | 12 | Daughter | — | Pennsylvania |
| 42 | Matto Rocco | 55 | Head | Manager | Italy |
| 43 | Louise Rocco | 51 | Wife | — | Italy |
| 44 | Mildred Rocco | 29 | Daughter | — | Pennsylvania |
| 45 | Frank Rocco | 23 | Son | New Worker | Pennsylvania |
| 46 | Joseph Rocco | 20 | Son | New Worker | Pennsylvania |
| 47 | Charles Hampton | 42 | Head | Laborer | North Carolina |
| 48 | Marian Hampton | 37 | Wife | — | Pennsylvania |
| 49 | Janet Hampton | 9 | Daughter | — | Pennsylvania |
| 50 | Charles Hampton | 5 | Son | — | Pennsylvania |
| 51 | Adelene Hall | 35 | Head | Housekeeper | Pennsylvania |
| 52 | John Hall | 15 | Son | — | Pennsylvania |
| 53 | John Haines | 30 | Son-in-law | Painter | Pennsylvania |
| 54 | Geraldine Haines | 21 | Daughter | New Worker | Pennsylvania |
| 55 | Morris Haines | 2 | Son | — | Pennsylvania |
| 56 | John Haines | 0 | Son | — | Pennsylvania |
| 57 | John Organ | 83 | Great Grandfather | — | Virginia |
| 58 | Hannah Organ | 81 | Great Grandmother | — | Pennsylvania |
| 59 | Theodore Brown | 31 | Head | Laborer | Pennsylvania |
| 60 | Helen Brown | 34 | Sister | — | Pennsylvania |
| 61 | Robert Brown THIS PERSON | 36 | Head | Chauffeur | Pennsylvania |
| 62 | Edith Brown | 32 | Wife | — | Alabama |
| 63 | Robert Brown | 10 | Son | — | Pennsylvania |
| 64 | Barbara Brown | 7 | Daughter | — | Pennsylvania |
| 65 | Alvin Brown | 3 | Son | — | Pennsylvania |
| 66 | Porter Parks | 40 | Head | Chauffeur | Ohio |
| 67 | Rose Parks | 33 | Wife | — | Pennsylvania |
| 68 | John Halloway | 24 | Brother-in-law | Writer | Virginia |
| 69 | James Winfield | 21 | Stepson | Caddy | Virginia |
| 70 | Mike Matone | 43 | Head | Shoe Repairing | Italy |
| 71 | Lena Matone | 41 | Wife | — | Italy |
| 72 | Charles Matone | 19 | Son | Salesman | Italy |
| 73 | John Matone | 15 | Son | Delivery Boy | Italy |
| 74 | Mike Jr. Matone | 11 | Son | — | Pennsylvania |
| 75 | Marie Matone | 8 | Daughter | — | Pennsylvania |
| 76 | Louis Gardone | 25 | Head | Pipe Repairman | Pennsylvania |
| 77 | Anna Gardone | 23 | Wife | — | Pennsylvania |
| 78 | Kenneth Morris | 35 | Head | Chauffeur | Pennsylvania |
| 79 | Thelma Morris | 30 | Wife | — | Pennsylvania |
| 80 | Clarence Morris | 65 | Head | Waiter | Ohio |
Pedigree Summary
Robert
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)