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John Mathis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grayson-County, Texas
Our Model Tree links this John Mathis across the 1930 and 1940 US Censuses in Grayson-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grayson-County, Texas |
| Surname | Mathis |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | South Bay |
| 1935 Residence (County) | Palm Beach |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Milk route |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 1935 Residence | Florida |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Truck Driver |
| Township / Ward | Sherman City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mathis | Son | — | 21 | ~1919 |
| Charline Mathis | Daughter | — | 18 | ~1922 |
| Bobby Mathis | Son | — | 11 | ~1929 |
| Maurine Mathis | Daughter | — | 17 | ~1923 |
| Jack Mathis | Son | — | 2 | ~1938 |
| Gertrude Mathis | Spouse | — | 42 | ~1898 |
| Maude Taylor | Other | — | 64 | ~1876 |
| John Mathis | Head | — | 50 | ~1890 |
Census Appearances
1930
Grayson, Texas
Son, age 11
Grayson, Texas · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mathis |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Grayson-County, Texas
Son, age 21
Grayson-County, Texas · implied b. ~1919 — 8 household members
| Surname | Mathis |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | South Bay |
| 1935 Residence (County) | Palm Beach |
| Occupation | Truck driver |
| Industry | Milk route |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 1935 Residence | Florida |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 John Mathis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mathis
Son · 1940 · age 21 · b. ~1919 · Texas
★ You are viewing this record
Sibling
Jack Mathis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charline Mathis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Mathis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurine Mathis
Sibling · 1940 · age 17
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 — Grayson-County, Texas
Open full size
1940 US Federal Census — Grayson-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04043-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claude L. Hazelwood | 34 | Head | Operator | Oklahoma |
| 2 | Alma G. Hazelwood | 33 | Wife | — | Texas |
| 3 | Dorothy G. Hazelwood | 5 | Daughter | — | Texas |
| 4 | Patsy R. Garrett | 10 | Daughter | — | Texas |
| 5 | Lela R. Whitworth | 49 | Head | Mangle Operator | Texas |
| 6 | Velma R. Whitworth | 23 | Daughter | Mangle Operator | Texas |
| 7 | Rose E. Hamilton | 51 | Head | — | Alabama |
| 8 | James K. Gormley | 23 | Son | Baker | Alabama |
| 9 | Morris Gormley | 21 | Son | Assistant Manager | Texas |
| 10 | Birdie Weaver | 69 | Head | — | Texas |
| 11 | Betty Weaver | 27 | Daughter | Clay Modeler | Texas |
| 12 | Beatrice Weaver | 25 | Daughter | Case Designer | Texas |
| 13 | Alton O. Thomas | 30 | Head | Truck Driver | Texas |
| 14 | Edna R. Thomas | 25 | Wife | — | Texas |
| 15 | Alton J. Thomas | 5 | Son | — | Texas |
| 16 | Billy W. Thomas | 2 | Son | — | Texas |
| 17 | Monroe B. Jackson | 61 | Head | Signal Maintainer | Texas |
| 18 | Bernice O. Jackson | 58 | Wife | — | Mississippi |
| 19 | Inez Jackson | 37 | Daughter | Teacher | Texas |
| 20 | Jennie M. Jackson | 35 | Daughter | — | Texas |
| 21 | Rodith D. Jackson | 16 | Daughter | — | Texas |
| 22 | Claude L. Jackson | 26 | Son | Attendant | Texas |
| 23 | John L. Mathis | 50 | Head | Automobile Mechanic | Texas |
| 24 | Gertrude V. Mathis | 42 | Wife | — | Texas |
| 25 | John B. Mathis THIS PERSON | 21 | Son | Truck Driver | Texas |
| 26 | Charline L. Mathis | 18 | Daughter | — | Texas |
| 27 | Maurine Mathis | 17 | Daughter | — | Texas |
| 28 | Bobby L. Mathis | 11 | Son | — | Texas |
| 29 | Jack M. Mathis | 2 | Son | — | Texas |
| 30 | Maude A. Taylor | 64 | Mother-in-law | — | Texas |
| 31 | John W. Thomas | 67 | Head | Owner Operator | Tennessee |
| 32 | Martha B. Thomas | 61 | Wife | — | Tennessee |
| 33 | Elmer L. Thomas | 18 | Son | Attendant | Texas |
| 34 | Eunice Snow | 26 | Daughter-in-law | Truck Driver & Attendant | Texas |
| 35 | Gladys Snow | 22 | Daughter-in-law | — | Texas |
| 36 | J. W. Snow | 6 | Son | — | Texas |
| 37 | Clyde A. Bailey | 45 | Head | Foreman | Arkansas |
| 38 | Maree Bailey | 45 | Wife | — | Texas |
| 39 | Charlie J. Bailey | 18 | Daughter | Stenographer | Texas |
| 40 | Mary C. Bailey | 13 | Daughter | — | Texas |
Related Census Records
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)