JG
John Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Mary — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Gray |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | stamper |
| Industry | wood heel factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stamper |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Doris Gray | Daughter | — | 23 | ~1917 |
| Claire Gray | Daughter | — | 16 | ~1924 |
| Eleanor Gray | Daughter | — | 20 | ~1920 |
| Barbara Gray | Daughter | — | 14 | ~1926 |
| William Gray | Head | — | 44 | ~1896 |
| Gerald Gray | Son | — | 11 | ~1929 |
| John Gray | Son | — | 21 | ~1919 |
| Mildred Gray | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Essex, Massachusetts
Other, age 1
Essex, Massachusetts · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Grandchild |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 21
Essex-County, Massachusetts · implied b. ~1919 — 8 household members
| Surname | Gray |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Occupation | stamper |
| Industry | wood heel factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Joseph Gray (~0.81 confidence) and mother Mary Gray (~0.81 confidence) and mother Mary Gray (~0.81 confidence) and father William Gray (~0.92 confidence) and mother Mildred Gray (~0.92 confidence) and mother Mildred Gray (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Joseph Gray
b. ~1868
Source father>father
● Household
· direct · ~0.81
Mother
Mary Gray
b. ~1870
Source father>mother
● Household
· direct · ~0.81
Mother
Mary Gray
b. ~1872
Source father>mother
● Household
· direct · ~0.81
Father
William Gray
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Mildred Gray
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mildred Gray
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gray
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Gerald Gray
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Gray
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Gray
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Gray
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Gray
Sibling · 1940 · age 16
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01696-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha M. Crawford | 31 | Lodger | Waitress | Virginia |
| 2 | Goldie Burgess | 40 | Head | — | Canada-English |
| 3 | John Burgess | 21 | son | Painter | Massachusetts |
| 4 | Barbara Burgess | 17 | daughter | — | Massachusetts |
| 5 | Kenneth Burgess | 9 | son | — | Massachusetts |
| 6 | Sarah Roman | 44 | Head | — | Lithuania |
| 7 | Benjamin Roman | 27 | son | Repair Man | Massachusetts |
| 8 | Morris Roman | 22 | son | Laborer | Massachusetts |
| 9 | Maynard Roman | 20 | son | Lineman | Massachusetts |
| 10 | Hyman Roman | 19 | son | — | Massachusetts |
| 11 | Leo Roman | 15 | son | — | Massachusetts |
| 12 | William Gray | 44 | Head | Time Keeper | New Hampshire |
| 13 | Mildred Gray | 42 | wife | — | Massachusetts |
| 14 | Doris Gray | 23 | daughter | Soda Clerk | Massachusetts |
| 15 | John Gray THIS PERSON | 21 | son | Stamper | Massachusetts |
| 16 | Eleanor Gray | 20 | daughter | Odd Shoe Girl | Massachusetts |
| 17 | Claire Gray | 16 | daughter | — | Massachusetts |
| 18 | Barbara Gray | 14 | daughter | — | Massachusetts |
| 19 | Gerald Gray | 11 | son | — | Massachusetts |
| 20 | Elliot Willard | 50 | Head | Goodyear Welder | Massachusetts |
| 21 | Margaret R. Willard | 49 | wife | — | Massachusetts |
| 22 | John Willard | 29 | son | Hand Dinker | Massachusetts |
| 23 | Ralph Willard | 26 | son | Time Keeper | Massachusetts |
| 24 | Elliot Willard | 19 | son | Inner Sole Tacker | Massachusetts |
| 25 | Robert Willard | 15 | son | — | Massachusetts |
| 26 | John Gray | 47 | Head | Watchman | New Hampshire |
| 27 | Eva M. Gray | 45 | wife | — | Massachusetts |
| 28 | John F. Gray | 17 | son | — | Massachusetts |
| 29 | Samuel Beizman | 46 | Head | — | Russia |
| 30 | Ida Beizman | 43 | wife | — | Poland |
| 31 | Sarah Beizman | 22 | daughter | Bookkeeper | Massachusetts |
| 32 | Morris Beizman | 21 | son | Hairdresser | Massachusetts |
| 33 | Susan Harriman | 43 | Head | Seamstress | Massachusetts |
| 34 | Gloria Harriman | 14 | daughter | — | Massachusetts |
| 35 | Frederick W. Gore | 47 | Head | Knitter | Massachusetts |
| 36 | Lora Gore | 47 | wife | — | Massachusetts |
| 37 | Floyd Gore | 16 | son | — | Massachusetts |
| 38 | Dorothy Gore | 15 | daughter | — | Massachusetts |
| 39 | Helen Gore | 13 | daughter | — | Massachusetts |
| 40 | Thomas O'Donnell | 71 | Head | Proprietor | Irish Free State |
Related Census Records
Pedigree Summary
John + 5 siblings
Gen 1 · 3 parents
~0.92
Gen 2 · 3 grandparents
~0.81
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)