JG
Joseph Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Joseph Gray across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 8-person household.
Age 35
b. ~1905
Male
Head
Born: Penna
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Trucking |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Truck Driver |
| Township / Ward | Phila |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Blanche Gray | Daughter | — | 11 | ~1929 |
| Edna Gray | Daughter | — | 2 | ~1938 |
| Joseph Gray | Son | — | 13 | ~1927 |
| George Gray | Son | — | 9 | ~1931 |
| Sarah Gray | Spouse | — | 34 | ~1906 |
| Joseph Gray | Head | — | 35 | ~1905 |
| Robert Gray | Son | — | 6 | ~1934 |
| May Gray | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 27
Philadelphia, Pennsylvania · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Joe |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Finisher |
| Industry | Cement |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Head, age 35
Philadelphia-County, Pennsylvania · implied b. ~1905 — 8 household members
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Occupation | Truck Driver |
| Industry | Trucking |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Gray
Head · 1940 · age 35 · b. ~1905 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03695-00246)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorenzo Mcclellan | 34 | Head | Laborer | Penna |
| 42 | Mable Mcclellan | 38 | Wife | — | Penna |
| 43 | Russell Mcclellan | 19 | Son | Window Washer | Penna |
| 44 | Florence Mcclellan | 15 | Daughter | — | Penna |
| 45 | Joseph Gray THIS PERSON | 35 | Head | Truck Driver | Penna |
| 46 | Sarah Gray | 34 | Wife | — | Penna |
| 47 | Joseph Jr. Gray | 13 | Son | — | Penna |
| 48 | Blanche Gray | 11 | Daughter | — | Penna |
| 49 | George Gray | 9 | Son | — | Penna |
| 50 | Robert Gray | 6 | Son | — | Penna |
| 51 | May Gray | 3 | Daughter | — | Penna |
| 52 | Edna Gray | 2 | Daughter | — | Penna |
| 54 | Mary Driscoll | 67 | Head | Housewife | Eire |
| 55 | Daniel Driscoll | 36 | Son | Laborer | Eire |
| 56 | Mary Driscoll | 28 | Daughter | Rag Sorter | Penna |
| 57 | Marie Driscoll | 7 | Granddaughter | — | Penna |
| 58 | Sarah Crabtree | 67 | Head | Housewife | England |
| 59 | Alice Sheard | 44 | Daughter | Weaver | England |
| 60 | Vivian Mills | 30 | Head | Housewife | Penna |
| 61 | Robert Mills | 14 | Son | — | Penna |
| 62 | Charles Mills | 12 | Son | — | Penna |
| 63 | James Mills | 9 | Son | — | Penna |
| 64 | Ronald Mills | 8 | Son | — | Penna |
| 65 | David Mills | 4 | Son | — | Penna |
| 66 | William Mills | 1 | Son | — | Penna |
| 67 | Adela Davidson | 32 | Sister | Weaver | Penna |
| 68 | David Furman | 45 | Lodger | Laborer | Penna |
| 69 | William Yocum | 43 | Head | Roofer | Penna |
| 70 | Helen Yocum | 35 | Wife | — | Penna |
| 71 | Mary Yocum | 18 | Daughter | — | Penna |
| 72 | Julia Yocum | 16 | Daughter | Paper Box | Penna |
| 73 | William Yocum | 15 | Son | — | Penna |
| 74 | Margaret Yocum | 14 | Daughter | — | Penna |
| 75 | Thomas Yocum | 13 | Son | — | Penna |
| 76 | Francis Yocum | 10 | Son | — | Penna |
| 77 | Eleanor Yocum | 7 | Daughter | — | Penna |
| 78 | Joan Yocum | 6 | Daughter | — | Penna |
| 79 | John Yocum | 2 | Son | — | Penna |
| 80 | Helen Yocum | 1 | Daughter | — | Penna |
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)