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Helen Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calvert-County, Maryland
Our Model Tree links this Helen Gray across the 1930 and 1940 US Censuses in Calvert-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calvert-County, Maryland |
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | First Election District |
| 1935 Residence (County) | Calvert |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-6 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | First Election District |
| Est. Birth Year | ~1925 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Gray | Daughter | — | 15 | ~1925 |
| Frederick Gray | Son | — | 14 | ~1926 |
| Norman Gray | Son | — | 18 | ~1922 |
| Rose Gray | Daughter | — | ~1940 | |
| Olive Gray | Spouse | — | 53 | ~1887 |
| Rodney Gray | Son | — | 1 | ~1939 |
| Norman Gray | Head | — | 51 | ~1889 |
| Henrietta Gray | Daughter | — | 23 | ~1917 |
| Corrie Gray | Daughter | — | 4 | ~1936 |
| Thomas Gray | Son | — | 7 | ~1933 |
| John Gray | Son | — | 1 | ~1939 |
Census Appearances
1930
Calvert, Maryland
Daughter, age 2
Calvert, Maryland · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Hellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Calvert-County, Maryland
Daughter, age 15
Calvert-County, Maryland · implied b. ~1925 — 11 household members
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | First Election District |
| 1935 Residence (County) | Calvert |
| Income (1939) | 0 |
| Highest Grade | H-6 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Helen Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Gray
Daughter · 1940 · age 15 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
Rodney Gray
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Corrie Gray
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Gray
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gray
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Gray
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Gray
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Gray
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Gray
Sibling · 1940 · age
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 — Calvert-County, Maryland
Open full size
1940 US Federal Census — Calvert-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01543-00081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Owen Brady | 25 | Head | Carpenter | Maryland |
| 42 | Hazel Brady | 23 | Wife | — | Maryland |
| 43 | Betty Ann Brady | 4 | Daughter | — | Maryland |
| 44 | Larry Brady | 2 | Son | — | Maryland |
| 45 | William H. Howe | 75 | Head | Farmer | Maryland |
| 46 | Jennie Howe | 69 | Wife | Cook | Maryland |
| 47 | Herbert Howe | 53 | Son | Laborer | Maryland |
| 48 | Maude Leigh Howe | 41 | Daughter in law | — | Maryland |
| 49 | William Jr. Howe | 14 | G. Son | — | Maryland |
| 50 | Floyd Howe | 11 | G. Son | — | Maryland |
| 51 | Richard Howe | 10 | G. Son | — | Maryland |
| 52 | Charles Howe | 7 | G. Son | — | Maryland |
| 53 | Rosetta J. Howe | 4 | G. Daughter | — | Maryland |
| 54 | James Taylor | 32 | Son in law | Truck Driver | Maryland |
| 55 | Myrtle Taylor | 39 | Daughter | — | Maryland |
| 56 | David Gray | 25 | Head | Carpenter | Maryland |
| 57 | Dorothy Gray | 18 | Wife | — | Maryland |
| 58 | David Gray | 2 | Son | — | Maryland |
| 59 | Norman Gray | 51 | Head | Carpenter | Maryland |
| 60 | Olive Gray | 53 | Wife | — | Maryland |
| 61 | Henrietta Gray | 23 | Daughter | — | Maryland |
| 62 | Norman Jr. Gray | 18 | Son | Carpenter | Maryland |
| 63 | Helen Gray THIS PERSON | 15 | Daughter | — | Maryland |
| 64 | Frederick Gray | 14 | Son | — | Maryland |
| 65 | Thomas Gray | 7 | Son | — | Maryland |
| 66 | Corrie Gray | 4 | Daughter | — | Maryland |
| 67 | John Gray | 1 | Son | — | Maryland |
| 68 | Rodney Gray | 1 | Son | — | Maryland |
| 69 | Rose G. Gray | 0 | Daughter | — | Maryland |
| 70 | Theodore Hicks | 29 | Head | Farmer | Maryland |
| 71 | Marie Hicks | 23 | Wife | — | Maryland |
| 72 | Pearl G. Hicks | 6 | Daughter | — | Maryland |
| 73 | Virginia Hicks | 4 | Daughter | — | Maryland |
| 74 | Miriam Hicks | 2 | Daughter | — | Maryland |
| 75 | Frank Butler | 38 | Head | Owner + Operator | Maryland |
| 76 | Daniel Shepherd | 30 | Head | Proprietor | Maryland |
| 77 | Alice Richardson | 29 | Head | Laborer | Maryland |
| 78 | Jean Richardson | 25 | Wife | — | Maryland |
| 79 | John Lawrence Henson | 47 | Head | Laborer | Maryland |
| 80 | Norman Cochrane | 21 | Head | Truck Driver | Maryland |
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)