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Dorothy Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Dorothy Gray across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Gray |
| Given Name | Dorothy Jean |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Everett |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Gray | Daughter | — | 3 | ~1937 |
| James Gray | Head | — | 34 | ~1906 |
| Ruth Gray | Daughter | — | 15 | ~1925 |
| Dorothy Gray | Daughter | — | 13 | ~1927 |
| Evelyn Gray | Spouse | — | 35 | ~1905 |
| Carol Gray | Daughter | — | 7 | ~1933 |
| Helen Gray | Daughter | — | 10 | ~1930 |
| Phyllis Gray | Daughter | — | 5 | ~1935 |
| Harold Gray | Son | — | 1 | ~1939 |
| James Gray | Son | — | 12 | ~1928 |
| Nelson Gray | Son | — | 8 | ~1932 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 3
Middlesex, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 13
Middlesex-County, Massachusetts · implied b. ~1927 — 11 household members
| Surname | Gray |
| Given Name | Dorothy Jean |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 7 |
| 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 Dorothy Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Gray
Daughter · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Carol Gray
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gray
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Gray
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Gray
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gray
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Gray
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Gray
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelson Gray
Sibling · 1940 · age 8
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01604-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eleanor L. De Garzie | 23 | daughter | Assembling | Massachusetts |
| 42 | Edward F. Conley | 50 | Head | Police Officer | Massachusetts |
| 43 | Harriet K. Conley | 46 | wife | — | Massachusetts |
| 44 | Richard E. A. Conley | 23 | son | Truck Driver | Massachusetts |
| 45 | Robert J. Conley | 19 | son | Elevator Boy | Massachusetts |
| 46 | John R. Conley | 16 | son | Delivery | Massachusetts |
| 47 | Donald R. Conley | 9 | son | — | Massachusetts |
| 48 | Emma F. Knight | 87 | mother-in-law | — | Massachusetts |
| 49 | Kenneth X. Delory | 21 | Head | Linoleum | Massachusetts |
| 50 | Marion B. Delory | 20 | wife | — | Massachusetts |
| 51 | Howard J. Delory | 1 | son | — | Massachusetts |
| 52 | Noel W. Nicholson | 31 | Head | Road Engineer | Massachusetts |
| 53 | Viola L. Nicholson | 30 | wife | — | Massachusetts |
| 54 | Dorothy N. Nicholson | 10 | daughter | — | Massachusetts |
| 55 | James F. Gray | 34 | Head | Draftsman | Massachusetts |
| 56 | Evelyn M. Gray | 35 | wife | — | Massachusetts |
| 57 | Ruth V. Gray | 15 | daughter | — | Massachusetts |
| 58 | Dorothy Jean Gray THIS PERSON | 13 | daughter | — | Massachusetts |
| 59 | James F. Gray | 12 | son | — | Massachusetts |
| 60 | Helen L. Gray | 10 | daughter | — | Massachusetts |
| 61 | Nelson E. Gray | 8 | son | — | Pennsylvania |
| 62 | Carol N. Gray | 7 | daughter | — | Massachusetts |
| 63 | Phyllis E. Gray | 5 | daughter | — | Massachusetts |
| 64 | Evelyn L. Gray | 3 | daughter | — | Massachusetts |
| 65 | Harold J. Gray | 1 | son | — | Massachusetts |
| 66 | Clarence H. White | 57 | Head | Locomotive Engineer | Canada English |
| 67 | Elizabeth X. White | 55 | wife | — | Canada English |
| 68 | Barbara E. White | 15 | daughter | — | Massachusetts |
| 69 | Bernard J. White | 18 | son | Order Boy | Massachusetts |
| 70 | Kenneth B. White | 8 | son | — | Massachusetts |
| 71 | Isaac Henken | 47 | Head | Own Business | Russia |
| 72 | Sarah Henken | 45 | wife | — | Russia |
| 73 | Bernard S. Henken | 20 | son | — | Massachusetts |
| 74 | Lillian L. Henken | 15 | daughter | — | Massachusetts |
| 75 | Mildred S. Henken | 12 | daughter | — | Massachusetts |
| 76 | Charles Henken | 83 | father | — | Massachusetts |
| 77 | Bertha Lynch | 65 | Head | — | Switzerland |
| 78 | Richard B. Lynch | 37 | son | Laborer | Massachusetts |
| 79 | Paul Lynch | 36 | son | Track Walker | Massachusetts |
| 80 | Ninfa F. Leotta | 59 | Head | — | Italy |
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)