JG
John Gregory — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Gregory across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Elias & Alley — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Gregory |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | pad-maker |
| Industry | table pad factory |
| Class of Worker | PW |
| Hours Worked | 150 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Pad-Maker |
| Township / Ward | Phila |
| Est. Birth Year | ~1917 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mack Gregory | Head | — | 51 | ~1889 |
| George Harris | Other | — | 34 | ~1906 |
| John Gregory | Son | — | 23 | ~1917 |
| Virginia Gregory | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Mother Tongue | English |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Philadelphia, Pennsylvania
Son, age 14
Philadelphia, Pennsylvania · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Philadelphia-County, Pennsylvania
Son, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 4 household members
| Surname | Gregory |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | pad-maker |
| Industry | table pad factory |
| Class of Worker | PW |
| Hours Worked | 150 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 John Gregory across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elias Gregory (~0.92 confidence) and father Alley Gregory (~0.92 confidence) and father Mack Gregory (~0.92 confidence) and mother Lula Gregory (~0.92 confidence) and mother Sallie Gregory (~0.92 confidence) and mother Virginia Gregory (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elias Gregory
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Alley Gregory
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Mack Gregory
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Lula Gregory
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Sallie Gregory
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Virginia Gregory
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gregory
Son · 1940 · age 23 · b. ~1917 · 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
40 people indexed on this census page (nara:1940:m-t0627-03719-00090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Mcgowan | 44 | Lodger | Linsmith | Pennsylvania |
| 2 | Ulysses Barker | 25 | Head | Tobacco Conditioner | Virginia |
| 3 | Rosa Barker | 23 | Wife | — | Georgia |
| 4 | Jacqueline Barker | 1 | Daughter | — | Pennsylvania |
| 5 | Ulysses, Jr. Barker | 0 | Son | — | Pennsylvania |
| 6 | Betty Bass | 38 | Head | Housework | So. Carolina |
| 7 | James Bass | 20 | Son | Chauffeur | Pennsylvania |
| 8 | Mattie Riner | 48 | Lodger | Housework | Maryland |
| 9 | George Mcneil | 39 | Head | Laborer | So. Carolina |
| 10 | Elizabeth Mcneil | 29 | Wife | — | So. Carolina |
| 11 | Idelle Glover | 27 | Head | — | So. Carolina |
| 12 | Joseph Glover | 12 | Son | — | So. Carolina |
| 13 | Jessie May Glover | 10 | Daughter | — | So. Carolina |
| 14 | Perstine Glover | 8 | Daughter | — | So. Carolina |
| 15 | Lulu Brown | 49 | Head | — | So. Carolina |
| 16 | Robert Brown | 26 | Son | Odd Jobs | So. Carolina |
| 17 | Mamie Atterly | 17 | Niece | Housework | So. Carolina |
| 18 | Daisy Oakes | 29 | Lodger | — | Georgia |
| 19 | Beachman Dixon | 40 | Head | Steel Worker | So. Carolina |
| 20 | Ruby Dixon | 38 | Wife | — | No. Carolina |
| 21 | Leonard Dixon | 17 | Son | — | No. Carolina |
| 22 | James Dixon | 15 | Son | — | No. Carolina |
| 23 | Lucy Dixon | 14 | Daughter | — | Pennsylvania |
| 24 | Mary Holt | 41 | Head | — | Maryland |
| 25 | Carrie Nightingale | 32 | Lodger | — | No. Carolina |
| 26 | Raymond Lee | 39 | Lodger | Carpenter | No. Carolina |
| 27 | Burnice Joell | 20 | Head | — | Virginia |
| 28 | Kathleen Joell | 5 | Daughter | — | Pennsylvania |
| 29 | Robert Joell | 3 | Son | — | Pennsylvania |
| 30 | George B. Joell | 1 | Son | — | Pennsylvania |
| 31 | Mack Gregory | 51 | Head | Laborer | Georgia |
| 32 | Virginia Gregory | 40 | Wife | — | Georgia |
| 33 | John W. Gregory THIS PERSON | 23 | Son | Pad-Maker | Georgia |
| 34 | George Harris | 34 | Lodger | Stevedore | Georgia |
| 35 | John H. Jackson | 48 | Head | Laborer | No. Carolina |
| 36 | Carrie Jackson | 43 | Wife | — | Georgia |
| 37 | Samuel Jackson | 15 | Son | — | Pennsylvania |
| 38 | Jeanette Jackson | 14 | Daughter | — | Pennsylvania |
| 39 | Bernard Jackson | 12 | Son | — | Pennsylvania |
| 40 | Charlotte Green | 54 | Mother-in-law | — | Georgia |
Pedigree Summary
John
Gen 1 · 6 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)