HG
Henry Gray — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Calvert, Maryland
Our Model Tree links this Henry Gray across the 1920, 1930 and 1940 US Censuses in Calvert, Maryland (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 51
b. ~1879
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Calvert, Maryland |
| Surname | Gray |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 29 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen'l Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Pt 3Rd District |
| Est. Birth Year | ~1879 |
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 1930 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Mary Gray | Daughter | — | 13 | ~1917 |
| Veda Gray | Daughter | — | 11 | ~1919 |
| Henry Gray | Head | — | 51 | ~1879 |
Census Appearances
1920
Calvert, Maryland
Head, age 41
Calvert, Maryland · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Oysterman |
| Industry | Pat. River |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Calvert, Maryland
Head, age 51
Calvert, Maryland · implied b. ~1879 — 3 household members
| Surname | Gray |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 29 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Gen'l Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Calvert-County, Maryland
Head, age 60
Calvert-County, Maryland · implied b. ~1880
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Gray |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dis. 2 |
| 1935 Residence (County) | Calvert |
| Occupation | Merchant |
| Industry | Store |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Henry Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Henry Gray
Head · 1930 · age 51 · b. ~1879 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Calvert, Maryland
Open full size
1930 US Federal Census — Calvert, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:0770)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Plummer | 8 | Daughter | — | Maryland |
| 52 | Shelton Plummer | 5 | Son | — | Maryland |
| 53 | Arringis Plummer | 25 | Cousin | Laborer | Maryland |
| 54 | Margaret Plummer | 23 | Cousin | — | Virginia |
| 55 | Fulton Chaney | 69 | Head | Farmer | Maryland |
| 56 | Estelle Chaney | 59 | Wife | — | Maryland |
| 57 | Audrey Chaney | 25 | Daughter | — | Maryland |
| 58 | Fenton Hutchins | 53 | — | Laborer | Maryland |
| 59 | Beatrice Hutchins | 46 | Wife | — | Maryland |
| 60 | Calvert Hutchins | 21 | Son | Mail Carrier | Maryland |
| 61 | Mamie Hutchins | 18 | Daughter | — | Maryland |
| 62 | Frances Hutchins | 8 | Daughter | — | Maryland |
| 63 | Lee Holt | 34 | — | Laborer | Maryland |
| 64 | Laura Holt | 34 | Wife | — | Maryland |
| 65 | Pearl Mills | 8 | Niece | — | Maryland |
| 66 | John H. Drury | 80 | Head | Retired | Maryland |
| 67 | Violet Drury | 53 | Daughter | — | Maryland |
| 68 | Orville Drury | 45 | Son | Farmer | Maryland |
| 69 | George Evans | 48 | Head | Laborer | Maryland |
| 70 | Junie Evans | 46 | Wife | Servant | Maryland |
| 71 | Edward Evans | 20 | Son | Laborer | Maryland |
| 72 | Henry Evans | 22 | Son | Laborer | Maryland |
| 73 | Ada Evans | 14 | Daughter | — | Maryland |
| 74 | Raymond Evans | 12 | Son | — | Maryland |
| 75 | Edward Evans | 5 | Nephew | — | Maryland |
| 76 | Mabel Evans | 18 | Adop. Son | — | Maryland |
| 77 | Henry Gray THIS PERSON | 51 | Head | Farmer | Maryland |
| 78 | Mary Gray | 13 | Daughter | — | Maryland |
| 79 | Veda Gray | 11 | Daughter | — | Maryland |
| 80 | Charles Grierson | 64 | Head | Farmer | Maryland |
| 81 | Emma T. Grierson | 62 | Wife | — | Maryland |
| 82 | James Grierson | 26 | Son | Laborer | Maryland |
| 83 | Compton Grierson | 19 | Son | Laborer | Maryland |
| 84 | George Grierson | 17 | Son | Laborer | Maryland |
| 85 | Luke S. Grierson | 33 | Head | Farmer | Maryland |
| 86 | Junie Grierson | 19 | Wife | — | Maryland |
| 87 | Edward J. Grierson | 1 | Son | — | Maryland |
| 88 | Thomas J. Brady | 29 | Head | Farmer | Maryland |
| 89 | Addie Brady | 27 | Wife | — | Maryland |
| 90 | Lois Brady | 9 | Daughter | — | Maryland |
| 91 | Thomas S. Brady | 7 | Son | — | Maryland |
| 92 | Francis Brady | 5 | Son | — | Maryland |
| 93 | Eugene Brady | 2 | Son | — | Maryland |
| 94 | Wallace James | 44 | Head | Farmer | Maryland |
| 95 | Willis Thomas James | 20 | Cousin | Laborer | Maryland |
| 96 | Duke Haskett | 24 | Cousin | Laborer | Maryland |
| 97 | Urquhart Haskett | 26 | Cousin | Laborer | Maryland |
| 98 | William H. Randall | 55 | Head | Farmer | Maryland |
| 99 | Bessie Randall | 55 | Wife | Servant | Maryland |
| 100 | James Randall | 22 | Son | Laborer | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)