JG
John Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | Gray |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oxford |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Occupation | Driver |
| Industry | Mushroom Tr. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Driver |
| Township / Ward | E Nottingham Twp |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| Phyllis Gray | Daughter | — | 3 | ~1937 |
| Gwen Gray | Daughter | — | 6 | ~1934 |
| John Gray | Head | — | 33 | ~1907 |
| Mary Gray | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Chester, Pennsylvania
Son, age 12
Chester, Pennsylvania · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Chester, Pennsylvania
Son, age 22
Chester, Pennsylvania · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Driver |
| Industry | Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Chester-County, Pennsylvania
Head, age 33
Chester-County, Pennsylvania · implied b. ~1907 — 4 household members
| Surname | Gray |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oxford |
| 1935 Residence (County) | Chester |
| Occupation | Driver |
| Industry | Mushroom Tr. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 420 |
| Highest Grade | 8 |
| 1935 Residence | Pennsylvania |
| 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 John Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Mary Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gray
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Gray
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gray
Head · 1940 · age 33 · b. ~1907 · 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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00946)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Maccauley | 11 | daughter | — | Maryland |
| 42 | Robert Maccauley | 4 | son | — | Maryland |
| 43 | Ruby Kirk | 72 | Head | Operator | Virginia |
| 44 | Eva Kirk | 55 | Wife | — | N. Carolina |
| 45 | John Kirk | 22 | son | Labor | N. Carolina |
| 46 | Edith Kirk | 22 | daughter | Teacher | N. Carolina |
| 47 | Charles Pennington | 20 | hired man | Labor | N. Carolina |
| 48 | George B. Burwell | 66 | Head | Operator | Pennsylvania |
| 49 | Helen Burwell | 60 | Wife | — | Pennsylvania |
| 50 | Raymond Burwell | 26 | son | Labor | Pennsylvania |
| 51 | Ruth Burwell | 22 | daughter | — | Pennsylvania |
| 52 | Roy Alexander | 20 | Hired man | Labor | Pennsylvania |
| 53 | Samuel Cooper | 54 | Head | Operator | Pennsylvania |
| 54 | Nellie Cooper | 45 | Wife | — | Pennsylvania |
| 55 | Marion Mcguiness | 23 | step son | Driver | Pennsylvania |
| 56 | Jesse Pollock | 65 | Head | Carpenter | Pennsylvania |
| 57 | Bessie Pollock | 56 | Wife | Nurse | Pennsylvania |
| 58 | William Pollock | 26 | son | Labor | Pennsylvania |
| 59 | Helen Gross | 36 | daughter | — | Pennsylvania |
| 60 | John X. Davis | 70 | Head | — | Ohio |
| 61 | Bessie Davis | 66 | Wife | — | Pennsylvania |
| 62 | David Harrah | 40 | Head | Labor | Pennsylvania |
| 63 | Eva Harrah | 35 | Wife | — | Pennsylvania |
| 64 | David Co. Harrah | 16 | son | — | Pennsylvania |
| 65 | John Harrah | 14 | son | — | Pennsylvania |
| 66 | Ronald Harrah | 10 | son | — | Pennsylvania |
| 67 | Lois White | 62 | mother in law | — | Maryland |
| 68 | Earle Twyford | 43 | Head | Operator | Maryland |
| 69 | Elizabeth Twyford | 43 | Wife | — | Maryland |
| 70 | Louise Twyford | 21 | daughter | Hair Dresser | Pennsylvania |
| 71 | Howard Twyford | 16 | son | — | Pennsylvania |
| 72 | Bryan Gibney | 29 | Head | Inspector | Pennsylvania |
| 73 | Grace Gibney | 28 | Wife | — | Pennsylvania |
| 74 | James Gibney | 9 | son | — | Pennsylvania |
| 75 | Bryan Jr. Gibney | 4 | son | — | Pennsylvania |
| 76 | John E. Gray THIS PERSON | 33 | Head | Driver | Pennsylvania |
| 77 | Mary E. Gray | 31 | Wife | — | Pennsylvania |
| 78 | Gwen Gray | 6 | daughter | — | Pennsylvania |
| 79 | Phyllis Gray | 3 | daughter | — | Pennsylvania |
| 80 | Joseph Phillips | 43 | Head | Proprietor | Pennsylvania |
Pedigree Summary
John
Gen 1 · 3 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)