JG
John Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Strafford-County, New Hampshire
Our Model Tree links this John Gray across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Strafford-County, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 12-person household.
Age 78
b. ~1862
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Strafford-County, New Hampshire |
| Surname | Gray |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Farmington town |
| 1935 Residence (County) | Strafford |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Farmington Town |
| Est. Birth Year | ~1862 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Gray | Daughter | — | 14 | ~1926 |
| John Gray | Head | — | 78 | ~1862 |
| Betty Sanborn | Other | — | 17 | ~1923 |
| Charles Gray | Other | — | 81 | ~1859 |
| Maurice Gray | Other | — | 17 | ~1923 |
| Evelyn Gray | Other | — | 35 | ~1905 |
| William Gray | Son | — | 11 | ~1929 |
| John Gray | Son | — | 35 | ~1905 |
| Ernest Gray | Son | — | 5 | ~1935 |
| Arthur Gray | Son | — | 42 | ~1898 |
| Ellen Gray | Spouse | — | 77 | ~1863 |
| Lillian Gray | Spouse | — | 40 | ~1900 |
Census Appearances
1900
Strafford, New …
Head, age 42
Strafford, New Hampshire · implied b. ~1858 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | June |
| Birth Year | 1858 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Shoe Laster |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Strafford, New …
Head, age 50
Strafford, New Hampshire · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 8 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farm Laborer |
| Industry | Working out |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Strafford, New …
Head, age 61
Strafford, New Hampshire · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Strafford, New …
Head, age 67
Strafford, New Hampshire · implied b. ~1863 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 21 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Strafford-County, New …
Head, age 78
Strafford-County, New Hampshire · implied b. ~1862 — 12 household members
| Surname | Gray |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Farmington town |
| 1935 Residence (County) | Strafford |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Gray
Head · 1940 · age 78 · b. ~1862 · New Hampshire
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Strafford-County, New Hampshire
Open full size
1940 US Federal Census — Strafford-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02297-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara A Wyatt | 69 | Wife | — | New Hampshire |
| 2 | Cris B Sanborn | 61 | Head | Farm Laborer | New Hampshire |
| 3 | Kate D Foss | 68 | Head | Agent | New Hampshire |
| 4 | Harold J Foss | 47 | Son | Machine Operator | New Hampshire |
| 5 | Alice Foss | 45 | Wife | — | New Hampshire |
| 6 | Calvin Foss | 18 | Grandson | — | New Hampshire |
| 7 | Oscar Hobbs | 70 | Brother | — | New Hampshire |
| 8 | John D Gray THIS PERSON | 78 | Head | — | New Hampshire |
| 9 | Ellen F Gray | 77 | Wife | — | New Hampshire |
| 10 | Arthur M Gray | 42 | Son | Farm Laborer | New Hampshire |
| 11 | Lillian M Gray | 40 | Wife | — | New Hampshire |
| 12 | Maurice H Gray | 17 | Grandson | — | New Hampshire |
| 13 | John D Gray | 35 | Son | Farm Laborer | New Hampshire |
| 14 | Evelyn M Gray | 35 | Daughter-in-law | Farm Hand | New Hampshire |
| 15 | Marjorie E Gray | 14 | Daughter | — | New Hampshire |
| 16 | William E Gray | 11 | Son | — | New Hampshire |
| 17 | Ernest Z Gray | 5 | Son | — | New Hampshire |
| 18 | Betty Sanborn | 17 | Granddaughter | — | New Hampshire |
| 19 | Charles A Gray | 81 | Brother | — | New Hampshire |
| 20 | Frank White | 68 | Head | Operator | New Hampshire |
| 21 | Alice H White | 63 | Wife | — | Maine |
| 22 | Frank E Russ | 18 | Boarder | — | Massachusetts |
| 23 | C. Ethel Jackson | 55 | Daughter | — | New Hampshire |
| 24 | Mary Bickford | 79 | Head | Operator | New Hampshire |
| 25 | Warren E Varney | 15 | Grandson | — | New Hampshire |
| 26 | Arthur F Varney | 43 | Grandson | Farm Laborer | New Hampshire |
| 27 | James F Varney | 78 | Grandson | Farm Laborer | Maine |
| 28 | Charles Garland | 59 | Head | Farm Laborer | New Hampshire |
| 29 | Marion Garland | 40 | Wife | — | Maine |
| 30 | Ruth Garland | 15 | Daughter | — | Maine |
| 31 | Ruby Garland | 15 | Daughter | — | Maine |
| 32 | Charles Jr Garland | 13 | Son | — | Maine |
| 33 | Carl Garland | 8 | Son | — | New Hampshire |
| 34 | Goldie Garland | 7 | Daughter | — | New Hampshire |
| 35 | George W Garland | 65 | Head | — | New Hampshire |
| 36 | Harry King | 50 | Head | Takeaway | New Hampshire |
| 37 | Irene King | 29 | Wife | — | New Hampshire |
| 38 | Julia King | 14 | Daughter | — | New Hampshire |
| 39 | Henry King | 12 | Son | — | New Hampshire |
| 40 | Donald King | 10 | Son | — | New Hampshire |
Related Census Records
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)