TG
Thomas Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Diego, California
Our Model Tree links this Thomas Gray across the 1920, 1930 and 1940 US Censuses in San Diego, California (XGBoost, ~Confirmed), with identified parents William & Annie — first a son (b.~1914), then head of a 6-person household.
Age 16
b. ~1914
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Diego, California |
| Surname | Gray |
| Given Name | Thomas G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Virginia |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Diego City |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| William Gray | Head | — | 62 | ~1868 |
| Louis Gray | Son | — | 11 | ~1919 |
| Annie Gray | Other | — | 52 | ~1878 |
| Thomas Gray | Son | — | 16 | ~1914 |
| Robert Gray | Son | — | 14 | ~1916 |
| Albert Gray | Son | — | 20 | ~1910 |
Census Appearances
1920
San Diego, …
Son, age 6
San Diego, California · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Thomas B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Virginia |
| Mother's Birthplace | California |
| Can Read | No |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Son, age 16
San Diego, California · implied b. ~1914 — 6 household members
| Surname | Gray |
| Given Name | Thomas G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Virginia |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Son, age 26
San-Diego-County, California · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Tom |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego |
| 1935 Residence (County) | San Diego |
| Occupation | Cooks Helper |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 645 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Gray (~0.92 confidence) and mother Annie Gray (~0.92 confidence) and mother Annie Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Gray
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Annie Gray
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Annie Gray
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Gray
Son · 1930 · age 16 · b. ~1914 · California
★ You are viewing this record
Sibling
Robert Gray
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Gray
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Gray
Sibling · 1930 · age 11
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
1930 US Federal Census — San Diego, California
Open full size
1930 US Federal Census — San Diego, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel192:0597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Guy Jenkins | 46 | Head | Laboring | Tennessee |
| 52 | Gladys Jenkins | 29 | Wife-H | None | Canada English |
| 53 | Elizabeth M. Jenkins | 8 | Daughter | None | California |
| 54 | James A. Jenkins | 5 | Son | None | California |
| 55 | Bertha M. Jenkins | 1 | Daughter | None | California |
| 56 | William H. Gray | 62 | Head | None | Virginia |
| 57 | Annie L. Gray | 52 | Wife-H | None | California |
| 58 | Albert L. Gray | 20 | Son | Searcher | California |
| 59 | Thomas G. Gray THIS PERSON | 16 | Son | None | California |
| 60 | Robert E. Gray | 14 | Son | None | California |
| 61 | Louis R. Gray | 11 | Son | None | California |
| 62 | John W. Ralph | 27 | Head | Hoistman | Kentucky |
| 63 | Lola Ralph | 21 | Wife-H | None | Oklahoma |
| 64 | Andrew Rockstad | 82 | Head | None | Norway |
| 65 | Kathrina M. Rockstad | 75 | Wife-H | None | Norway |
| 66 | Denis Parent | 61 | Head | Laborer | Canada-French |
| 67 | Mary J. Edwards | 61 | Head | Rabbit Raiser | Texas |
| 68 | Roy G. Lowman | 52 | Lodger | Carpenter | Illinois |
| 69 | Walter Barnett | 44 | Head | Laborer | Kansas |
| 70 | Clarissa Barnett | 37 | Wife-H | None | Tennessee |
| 71 | Paul J. Bickel | 34 | Head | Machinist | Kansas |
| 72 | Golda E. Bickel | 31 | Wife-H | None | Kansas |
| 73 | Ralph W. Chalfant | 47 | Head | Decorator | Pennsylvania |
| 74 | Irene M. Goodman | 51 | Head | Proofreader | Indiana |
| 75 | Margaret Hughes | 59 | Cousin | Housekeeper | Wisconsin |
| 76 | Lyman Stockton | 31 | Head | Acting Chief | Missouri |
| 77 | Helene V. Stockton | 44 | Wife-H | Housekeeper | Illinois |
| 78 | Alvin J. Summers | 52 | Head | Salesman | Illinois |
| 79 | Frances M. Summers | 39 | Wife-H | Clerk | Illinois |
| 80 | Aunt Summers | 82 | Aunt | None | Indiana |
| 81 | Robert B. Cobb | 33 | Head | Proprietor | Tennessee |
| 82 | Martha F. Cobb | 24 | Wife-H | Stenographer | Texas |
| 83 | James Mcdonald | 43 | Head | Carpenter | Indiana |
| 84 | Isabelle Mcdonald | 40 | Wife-H | None | Texas |
| 85 | Harry D. Mcdonald | 23 | Son | Laborer | Arizona |
| 86 | Frank B. Mcdonald | 20 | Son | Helper | Arizona |
| 87 | Lawrence Mcdonald | 16 | Son | None | Arizona |
| 88 | Billy Mcdonald | 12 | Son | None | Arizona |
| 89 | Deloris Mcdonald | 12 | Daughter | None | California |
| 90 | Louis D. Luggino | 24 | Head | Business Mgr. | Missouri |
| 91 | Grady E. Meade | 37 | Head | Repair Man | S. Carolina |
| 92 | Louise G. Meade | 34 | Wife-H | None | Texas |
| 93 | Walter J. Oliver | 43 | Head | Proprietor | England |
| 94 | Paul Mcguire | 28 | Head | Boatmate 1St Cl. | Pennsylvania |
| 95 | Isabel Mcguire | 27 | Wife-H | None | California |
| 96 | Max J. Brown | 43 | Head | Proprietor | Michigan |
| 97 | Teresa Brown | 42 | Wife-H | None | Wisconsin |
| 98 | Katherine F. Chapin | 58 | Head | None | Vermont |
| 99 | Helen L. Chapin | 30 | Daughter | None | Vermont |
| 100 | Mary F. Culver | 77 | Head | None | Ohio |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 3 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)