MG
Mary Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kent-County, Delaware
Our Model Tree links this Mary Gray across the 1920, 1930 and 1940 US Censuses in Kent-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Canada
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Delaware |
| Surname | Gray |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Rising Sun |
| 1935 Residence (County) | Kent |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Rising Sun |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Reatta Gray | Daughter | — | 15 | ~1925 |
| Fred Gray | Head | — | 47 | ~1893 |
| Mary Gray | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Kent, Delaware
Spouse, age 24
Kent, Delaware · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Canada |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1930
Kent, Delaware
Spouse, age 34
Kent, Delaware · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1920 |
| Age at First Marriage | 18 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Kent-County, Delaware
Spouse, age 45
Kent-County, Delaware · implied b. ~1895 — 3 household members
| Surname | Gray |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Rising Sun |
| 1935 Residence (County) | Kent |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Mary Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gray
Spouse · 1940 · age 45 · b. ~1895 · Delaware
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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 — Kent-County, Delaware
Open full size
1940 US Federal Census — Kent-County, Delaware
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-00544-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Mcneal | 43 | Wife | — | Delaware |
| 2 | Mary C. Mcneal | 15 | Daughter | — | Delaware |
| 3 | James H. Mcneal | 12 | Son | — | Delaware |
| 4 | William H. Records | 65 | Head | Manager | Massachusetts |
| 5 | Sadie A. Records | 74 | Wife | — | Delaware |
| 6 | Harry Williams | 51 | Head | Painter | Delaware |
| 7 | Nellie B. Williams | 50 | Wife | — | Delaware |
| 8 | Francis E. Williams | 18 | Son | Painter | Delaware |
| 9 | William P. Powell | 32 | Head | Truck Driver | Delaware |
| 10 | Rebecca E. Powell | 25 | Wife | — | Delaware |
| 11 | Donna L. Powell | 7 | Daughter | — | Delaware |
| 12 | Joanne Powell | 5 | Daughter | — | Delaware |
| 13 | Emilie V. Powell | 3 | Daughter | — | Delaware |
| 14 | Arland Webb | 42 | Head | Painter | Delaware |
| 15 | Etta C. Webb | 28 | Wife | — | Virginia |
| 16 | James L. Kombroski | 28 | Head | Drag Line Operator | New York |
| 17 | Helen M. Kombroski | 26 | Wife | — | Delaware |
| 18 | Richard F. Kombroski | 5 | Son | — | Maryland |
| 19 | Edmund D. Kombroski | 2 | Son | — | Delaware |
| 20 | Olin C. Hershberger | 27 | Head | Cost Chemist | Pennsylvania |
| 21 | Edna C. Hershberger | 27 | Wife | — | Pennsylvania |
| 22 | Olin C. Jr. Hershberger | 4 | Son | — | Pennsylvania |
| 23 | Maurice L. Hershberger | 3 | Son | — | Delaware |
| 24 | Arthur B. Hershberger | 2 | Son | — | Delaware |
| 25 | Fred Gray | 47 | Head | Truck Driver | New York |
| 26 | Mary E. Gray THIS PERSON | 45 | Wife | — | Canada |
| 27 | Reatta H. Gray | 15 | Daughter | — | Delaware |
| 28 | S. John Lodge | 35 | Head | Attendant | Delaware |
| 29 | Florence A. Lodge | 31 | Wife | — | Maryland |
| 30 | Leondra E. Poulson | 8 | Niece | — | Washington D.C. |
| 31 | Joanna Poulson | 5 | Niece | — | Delaware |
| 32 | Martin J. Mothes | 68 | Head | Blacksmith | Pennsylvania |
| 33 | Mabel M. Mothes | 57 | Wife | — | Delaware |
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)