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Thomas Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Calvert, Maryland
Our Model Tree links this Thomas Gray across the 1910, 1920, 1930 and 1940 US Censuses in Calvert, Maryland (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1893), then head of a 7-person household.
Age 37
b. ~1893
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Calvert, Maryland |
| Surname | Gray |
| Given Name | Thomas M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farmer |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | 1 Dist 2 Prec |
| Est. Birth Year | ~1893 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Sadie Gray | Daughter | — | 9 | ~1921 |
| Sarah Gray | Daughter | — | ~1930 | |
| Thomas Gray | Head | — | 37 | ~1893 |
| Helen Gray | Spouse | — | 37 | ~1893 |
| Mary Gray | Daughter | — | 2 | ~1928 |
| Cornelius Gray | Daughter | — | 13 | ~1917 |
| Thomas Gray | Son | — | 5 | ~1925 |
Census Appearances
1910
Calvert, Maryland
Son, age 17
Calvert, Maryland · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Thomas M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Calvert, Maryland
Son, age 28
Calvert, Maryland · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Calvert, Maryland
Head, age 37
Calvert, Maryland · implied b. ~1893 — 7 household members
| Surname | Gray |
| Given Name | Thomas M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Calvert-County, Maryland
Head, age 47
Calvert-County, Maryland · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grey |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Calvert |
| Class of Worker | 0 |
| Highest Grade | No 3 |
| 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 Thomas Gray across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Linnie Gray (~0.92 confidence) and mother Nannie Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Gray
b. ~1861
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Linnie Gray
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Nannie Gray
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Gray
Head · 1930 · age 37 · b. ~1893 · Maryland
★ You are viewing this record
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:0628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pearl Pitcher | 6 | daughter | None | Maryland |
| 52 | Elmer Jr Pitcher | 4 | son | None | Maryland |
| 53 | Violet Pitcher | 2 | daughter | None | Maryland |
| 54 | Gilbert Hinson | 62 | Head | Farmer | Maryland |
| 55 | Maggie Hinson | 50 | Wife | None | Maryland |
| 56 | Norman W Hinson | 13 | grand son | None | Maryland |
| 57 | John J Hinson | 11 | grand son | None | Maryland |
| 58 | Barber Hinson | 7 | grand d | None | Maryland |
| 59 | Ben Hinson | 25 | Head | Farmer | Maryland |
| 60 | Viola Hinson | 25 | Wife | None | Maryland |
| 61 | William Hinson | 1 | Son | None | Maryland |
| 62 | Marlue Hinson | 0 | daughter | None | Maryland |
| 63 | Warren Gantt | 34 | Head | Farmer | Maryland |
| 64 | Charlotte Gantt | 26 | Wife | None | Maryland |
| 65 | Warren G Gantt | 8 | son | None | Maryland |
| 66 | Irene R Gantt | 6 | daughter | None | Maryland |
| 67 | Sarah N D Gantt | 4 | daughter | None | Maryland |
| 68 | William H Gantt | 2 | son | None | Maryland |
| 69 | Carrie C Gantt | 0 | daughter | None | Maryland |
| 70 | James Greenfield | 55 | Head | Overseer | Maryland |
| 71 | Annie Greenfield | 71 | Husband | Farmer | Maryland |
| 72 | John G Gray | 18 | Son | Laborer | Maryland |
| 73 | John L Rice | 38 | Head | Mechanic | Maryland |
| 74 | April F Rice | 36 | Wife | None | Maryland |
| 75 | Thomas M Gray THIS PERSON | 37 | Head | Farmer | Maryland |
| 76 | Helen Gray | 37 | Wife | None | Maryland |
| 77 | Cornelius Gray | 13 | daughter | None | Maryland |
| 78 | Sadie Gray | 9 | daughter | None | Maryland |
| 79 | Thomas Jr Gray | 5 | son | None | Maryland |
| 80 | Mary Gray | 2 | daughter | None | Maryland |
| 81 | Sarah Gray | 0 | daughter | None | Maryland |
| 82 | Nathan Brooks | 72 | Head | Farmer | Maryland |
| 83 | Rachel Brooks | 65 | Wife | None | Maryland |
| 84 | Benj H Lavelle | 52 | Head | Farmer | Maryland |
| 85 | Mary E Lavelle | 48 | Wife | None | Maryland |
| 86 | Wesley Gross | 48 | Head | Laborer | Maryland |
| 87 | Sarah Gross | 34 | Wife | None | Maryland |
| 88 | Charles H Gross | 16 | son | Laborer | Maryland |
| 89 | Mary Gross | 9 | daughter | None | Maryland |
| 90 | Marion Gross | 5 | daughter | None | Maryland |
| 91 | Froby Gross | 3 | daughter | None | Maryland |
| 92 | Chas Saunders | 14 | Uncle | None | Maryland |
| 93 | William Gola | 56 | Head | Laborer | Maryland |
| 94 | Pamela Gola | 54 | Wife | None | Maryland |
| 95 | Isaac Saunders | 21 | Cousin | None | Maryland |
| 96 | Chris M Saunders | 12 | Cousin | None | Maryland |
| 97 | Beulah Saunders | 12 | Cousin | None | Maryland |
| 98 | Daniel Rice | 72 | Head | Farmer | Maryland |
| 99 | Annie Saunders | 62 | Head | Laundress | Maryland |
| 100 | Mary Saunders | 40 | Cousin | None | Maryland |
Related Census Records
Pedigree Summary
Thomas
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)