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Joseph Gray — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Knox, Tennessee
Our Model Tree links this Joseph Gray across the 1930 and 1940 US Censuses in Knox, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 14-person household.
Age 21
b. ~1909
Male
Son
Born: Tennessee
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Knox, Tennessee |
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Farmer |
| Industry | Truck farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farmer |
| Township / Ward | District 5 |
| Est. Birth Year | ~1909 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Martha Gray | Daughter | — | 2 | ~1928 |
| Charles Gray | Son | — | 2 | ~1928 |
| Mary Gray | Daughter | — | 3 | ~1927 |
| Trella Gray | Daughter | — | 19 | ~1911 |
| Otis Gray | Son | — | 12 | ~1918 |
| Joseph Gray | Son | — | 21 | ~1909 |
| Clara Gray | Daughter | — | 20 | ~1910 |
| Millard Gray | Son | — | 10 | ~1920 |
| Louise Gray | Daughter | — | 6 | ~1924 |
| Imogene Gray | Daughter | — | ~1930 | |
| Martha Gray | Spouse | — | 42 | ~1888 |
| Charles Gray | Head | — | 49 | ~1881 |
| Marie Gray | Daughter | — | 17 | ~1913 |
| Hallie Gray | Son | — | 14 | ~1916 |
Census Appearances
1930
Knox, Tennessee
Son, age 21
Knox, Tennessee · implied b. ~1909 — 14 household members
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | Truck farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Head, age 32
Knox-County, Tennessee · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5th district |
| 1935 Residence (County) | Knox |
| Occupation | salesman |
| Industry | sewing machine Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Joseph Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Gray
Son · 1930 · age 21 · b. ~1909 · Tennessee
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Sibling
Charles Gray
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Gray
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Gray
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millard Gray
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Gray
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hallie Gray
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Gray
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Gray
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Imogene Gray
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Trella Gray
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otis Gray
Sibling · 1930 · age 12
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 — Knox, Tennessee
Open full size
1930 US Federal Census — Knox, Tennessee
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2259unit:0956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklin | 5 | son | None | Tennessee |
| 2 | Charles | 3 | son | None | Tennessee |
| 3 | Luther | 2 | son | None | Tennessee |
| 4 | Bobbie | 0 | son | None | Tennessee |
| 5 | William Fagg | 32 | Head | Farmer | Tennessee |
| 6 | Mary Fagg | 27 | Wife | None | Tennessee |
| 7 | Hossie Jones | 10 | Cousin | None | Tennessee |
| 8 | William L Coppock | 58 | Head | Farmer | Tennessee |
| 9 | Jessie Coppock | 55 | Wife | None | Tennessee |
| 10 | Paris C Warren | 64 | Head | Farmer | Tennessee |
| 11 | Sarah B Warren | 60 | Wife | None | Tennessee |
| 12 | Jack Lewis | 83 | Head | Farmer | Tennessee |
| 13 | Mary Ann Lewis | 71 | Wife | None | Tennessee |
| 14 | Charles W Gray | 49 | Head | Farmer | Tennessee |
| 15 | Martha Gray | 42 | Wife | None | Tennessee |
| 16 | Joseph Gray THIS PERSON | 21 | Son | Farmer | Tennessee |
| 17 | Trella Gray | 19 | Daughter | None | Tennessee |
| 18 | Marie Gray | 17 | Daughter | None | Tennessee |
| 19 | Hallie Gray | 14 | Son | None | Tennessee |
| 20 | Otis Gray | 12 | Son | None | Tennessee |
| 21 | Millard Gray | 10 | Son | None | Tennessee |
| 22 | Louise Gray | 6 | Daughter | None | Tennessee |
| 23 | Mary Gray | 3 | Daughter | None | Tennessee |
| 24 | Charles Gray | 2 | Son | None | Tennessee |
| 25 | Clara Gray | 20 | Daughter | Laborer | New York |
| 26 | Martha Gray | 2 | Daughter | None | Tennessee |
| 27 | Imogene Gray | 0 | Daughter | None | Tennessee |
| 28 | Marion L Lewis | 42 | Head | Farmer | Tennessee |
| 29 | Lizzie M Lewis | 35 | Wife | None | Tennessee |
| 30 | William R Lewis | 60 | Head | Farmer | Tennessee |
| 31 | Jessie Lewis | 40 | Wife | None | Tennessee |
| 32 | Otis Ford Crown | 24 | Daughter | None | Tennessee |
| 33 | Roy Crown | 21 | Son | None | Tennessee |
| 34 | James Crown | 27 | Son | Laborer | Tennessee |
| 35 | Charles Cox | 32 | Head | Farmer | Tennessee |
| 36 | Myrtle Cox | 21 | Wife | None | Tennessee |
| 37 | Elias Cox | 4 | Son | None | Tennessee |
| 38 | Blanch Cox | 2 | Daughter | None | Tennessee |
| 39 | James Mcclinis | 45 | Head | Farmer | Tennessee |
| 40 | Florence Mcclinis | 22 | Wife | None | Tennessee |
| 41 | Eva Mcclinis | 6 | Daughter | None | Tennessee |
| 42 | J E Mcclinis | 3 | Son | None | Tennessee |
| 43 | Dabney Plaster | 68 | Head | Farmer | Tennessee |
| 44 | Lillie Plaster | 52 | Wife | None | Tennessee |
| 45 | Mckinley Plaster | 32 | Son | Laborer | Tennessee |
| 46 | Mack Jones | 30 | Head | Farmer | Tennessee |
| 47 | May Jones | 22 | Wife | None | Tennessee |
| 48 | J V Jones | 4 | Son | None | Tennessee |
| 49 | Herbert Jones | 2 | Son | None | Tennessee |
| 50 | John J Cox | 49 | Head | Farmer | Tennessee |
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)