RC
Robert Chambers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Chambers across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanna Town - Coalville |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Hanna Town Coalville |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Chambers | Daughter | — | 30 | ~1910 |
| Alex Chambers | Son | — | 21 | ~1919 |
| John Chambers | Head | — | 58 | ~1882 |
| Margaret Chambers | Spouse | — | 53 | ~1887 |
| Robert Chambers | Son | — | 13 | ~1927 |
| Marie Chambers | Daughter | — | 17 | ~1923 |
| Margaret Chambers | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 7 household members
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanna Town - Coalville |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 0 |
| 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 Chambers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Chambers
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
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Sibling
Marie Chambers
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Chambers
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Chambers
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Chambers
Sibling · 1940 · age 30
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03399-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sam Lacey | 19 | Head | Worker | Pennsylvania |
| 42 | Steve Hudacko | 54 | Head | Core Maker | Pennsylvania |
| 43 | Mary Hudacko | 52 | Wife | — | Pennsylvania |
| 44 | Mary Hudacko | 9 | Daughter | — | Pennsylvania |
| 45 | Joe Mcchigman | 24 | Head | Laborer | Pennsylvania |
| 46 | Helen Mcchigman | 20 | Wife | — | Pennsylvania |
| 48 | John Bernhardt | 64 | Head | — | Pennsylvania |
| 49 | Margaret Bernhardt | 66 | Wife | — | Pennsylvania |
| 51 | Thomas Hutchings | 70 | Head | Laborer | Wales |
| 52 | Mary Hutchings | 74 | Wife | — | Ireland |
| 53 | William Hutchings | 20 | Son | Worker | Pennsylvania |
| 54 | Boyd J. Stitt | 47 | Head | Carpenter | Pennsylvania |
| 55 | Catherine Stitt | 44 | Wife | — | Pennsylvania |
| 57 | Thomas J. Haney | 44 | Head | Foreman | Pennsylvania |
| 58 | Jean Haney | 33 | Wife | — | Pennsylvania |
| 59 | Joan Haney | 9 | Daughter | — | Pennsylvania |
| 60 | Harry Moore | 43 | Head | Car Painter | Pennsylvania |
| 61 | Almeda Moore | 38 | Wife | — | Pennsylvania |
| 62 | Arlene Moore | 19 | Daughter | Clerk | Pennsylvania |
| 63 | Harry Moore | 13 | Son | — | Pennsylvania |
| 64 | Almeda Moore | 12 | Daughter | — | Pennsylvania |
| 65 | Katherine Moore | 8 | Daughter | — | Pennsylvania |
| 66 | Lois Moore | 6 | Daughter | — | Pennsylvania |
| 67 | Claudia Moore | 4 | Daughter | — | Pennsylvania |
| 68 | Isabelle Guy | 42 | Head | Clerk | Pennsylvania |
| 69 | Frank Guy | 27 | Son | Laborer | Pennsylvania |
| 70 | Leroy Guy | 26 | Son | Laborer | Pennsylvania |
| 71 | John Chambers | 58 | Head | Waiter | Pennsylvania |
| 72 | Margaret Chambers | 53 | Wife | — | Maryland |
| 73 | Alex Chambers | 21 | Son | Laborer | Pennsylvania |
| 74 | Margaret Chambers | 19 | Daughter | Day Work | Pennsylvania |
| 75 | Marie Chambers | 17 | Daughter | Day Work | Pennsylvania |
| 76 | Robert Chambers THIS PERSON | 13 | Son | — | Pennsylvania |
| 77 | Mary Florence Chambers | 30 | Daughter | — | Pennsylvania |
| 78 | Francis Burkhardt | 51 | Head | Mechanic | Ohio |
| 79 | Grace Burkhardt | 50 | Wife | — | Pennsylvania |
| 80 | Francis Jr. Burkhardt | 18 | Son | — | Pennsylvania |
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)