JH
Joseph Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Joseph Hart across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sewickley Brough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Sewickley Brough |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Francis Hart | Son | — | 17 | ~1923 |
| Joseph Hart | Son | — | 18 | ~1922 |
| Margaret Hart | Daughter | — | 15 | ~1925 |
| Mary Hart | Daughter | — | 3 | ~1937 |
| William Hart | Head | — | 52 | ~1888 |
| William Mcquistion | Other | — | 53 | ~1887 |
| Rose Hart | Spouse | — | 37 | ~1903 |
| William Hart | Son | — | 20 | ~1920 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 18
Allegheny-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Hart |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sewickley Brough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 4 |
| 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 Joseph Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Hart
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Francis Hart
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hart
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hart
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hart
Sibling · 1940 · age 15
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
40 people indexed on this census page (nara:1940:m-t0627-03416-00733)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Faith W. Metcalf | 54 | Wife | — | Pennsylvania |
| 42 | William M. Metcalf | 19 | Son | — | Pennsylvania |
| 43 | Anne Metcalf | 18 | Daughter | — | Pennsylvania |
| 44 | Christine Metcalf | 17 | Daughter | — | Pennsylvania |
| 45 | Nellie J. Mustick | 28 | Servant | Maid | Pennsylvania |
| 46 | Charles Hallums | 32 | Servant | Butler | Kansas |
| 47 | William Hart | 52 | Head | Land Scaper | Kentucky |
| 48 | Rose Hart | 37 | Wife | — | Pennsylvania |
| 49 | William E. Hart | 20 | Son | — | Pennsylvania |
| 50 | Joseph Hart THIS PERSON | 18 | Son | — | Pennsylvania |
| 51 | Francis Hart | 17 | Son | — | Pennsylvania |
| 52 | Margaret Hart | 15 | Daughter | — | Pennsylvania |
| 53 | Mary Katherine Hart | 3 | Daughter | — | Pennsylvania |
| 54 | William Mcquistion | 53 | Lodger | Carpenter | England |
| 55 | Alice Crawford | 75 | Head | — | Ireland |
| 56 | Mary Alice Crawford | 40 | Daughter | Teacher | Pennsylvania |
| 57 | Alexander Parody | 75 | Lodger | Houseman | Northern Ireland |
| 58 | George H. Quell | 61 | Head | Traveling Salesman | New York |
| 59 | Marie Quell | 39 | Wife | Registered Nurse | Pennsylvania |
| 60 | George H. Jr. Quell | 3 | Son | — | Pennsylvania |
| 61 | William Ross | 70 | Head | — | Scotland |
| 62 | Agnes Ross | 65 | Wife | — | Scotland |
| 63 | James Ross | 27 | Son | Laborer | Scotland |
| 64 | Ellen Littlecott | 51 | Head | Cook | England |
| 65 | Nellie Littlecott | 20 | Daughter | Stenographer | Pennsylvania |
| 66 | Mary Jane Littlecott | 13 | Daughter | — | Pennsylvania |
| 67 | Annie Mcmurdo | 60 | Head | — | Scotland |
| 68 | John Jr. Bradley | 55 | Head | — | Northern Ireland |
| 69 | Lelia Bradley | 49 | Wife | — | Northern Ireland |
| 70 | Pluie Neely | 49 | Head | — | Germany |
| 71 | Paul Honecker | 26 | Son | Technician | Indiana |
| 72 | Warren Honecker | 19 | Son | Mailman | Pennsylvania |
| 73 | Harold Summers | 34 | Head | Agent | Ohio |
| 74 | Gladys Summers | 31 | Wife | — | Ohio |
| 75 | Gloria Frickley | 13 | Step-daughter | — | Ohio |
| 76 | Richard Jr. Richards | 58 | Head | Watchman | Maryland |
| 77 | Belle S. Richards | 58 | Wife | — | Scotland |
| 78 | Elizabeth H. Dixon | 23 | Daughter | Operator | Pennsylvania |
| 79 | James Bailey | 47 | Head | Elevator Clerk | Pennsylvania |
| 80 | Christine Bailey | 43 | Wife | — | 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)