JD
James Dennis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Texas
Our Model Tree links this James Dennis across the 1930 and 1940 US Censuses in Mason-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Texas |
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Mason 4150 |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ben Dennis | Head | — | 57 | ~1883 |
| Violet Dennis | Daughter | — | 17 | ~1923 |
| Jennie Dennis | Spouse | — | 45 | ~1895 |
| Ray Dennis | Son | — | 12 | ~1928 |
| Beulah Dennis | Daughter | — | 21 | ~1919 |
| James Dennis | Son | — | 14 | ~1926 |
Census Appearances
1930
Llano, Texas
Son, age 4
Llano, Texas · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Mason-County, Texas
Son, age 14
Mason-County, Texas · implied b. ~1926 — 6 household members
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mason |
| Highest Grade | No 2 |
| 1935 Residence | Texas |
| 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 James Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dennis
Son · 1940 · age 14 · b. ~1926 · Texas
★ You are viewing this record
Sibling
Beulah Dennis
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Dennis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Dennis
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 — Mason-County, Texas
Open full size
1940 US Federal Census — Mason-County, Texas
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04103-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Olga Fischer | 50 | Head | Farmer | Texas |
| 42 | Helen Fischer | 21 | Daughter | — | Texas |
| 43 | Dorothy Fischer | 17 | Daughter | — | Texas |
| 44 | Hulda Willmann | 78 | Mother | — | Texas |
| 46 | R. L. Whitehead | 38 | Warden | Sheriff | Texas |
| 47 | Lucile Whitehead | 35 | Wife | — | Texas |
| 48 | Billie Joe Whitehead | 13 | Son | — | Texas |
| 49 | Creal Ann Whitehead | 10 | Daughter | — | Texas |
| 50 | Curtis Mayfield | 32 | Prisoner | — | Texas |
| 52 | Fritz Grote | 47 | Head | Farmer | Texas |
| 53 | Lillie Grote | 45 | Wife | Farmer | Texas |
| 54 | Stanley Grote | 12 | Son | — | Texas |
| 55 | Walton Grote | 8 | Son | — | Texas |
| 56 | Marvin Grote | 50 | Head | Farmer | Texas |
| 57 | Mary Grote | 46 | Wife | — | Texas |
| 58 | James Ab Grote | 21 | Son | — | Texas |
| 59 | Gordon Ab Grote | 18 | Son | — | Texas |
| 60 | Oliver Grote | 13 | Son | — | Texas |
| 61 | Alton Smith | 23 | Head | Laborer | Texas |
| 62 | Viola Smith | 22 | Wife | — | Texas |
| 63 | Ben Willmann | 56 | Head | Farmer | Texas |
| 64 | Lillie Willmann | 53 | Wife | — | Texas |
| 65 | Vernell Willmann | 24 | Daughter | — | Texas |
| 66 | Myrtle Willmann | 18 | Daughter | — | Texas |
| 67 | J. W. Willmann | 12 | Son | — | Texas |
| 68 | Ben Dennis | 57 | Head | Laborer | Texas |
| 69 | Jennie Dennis | 45 | Wife | — | Texas |
| 70 | Beulah Dennis | 21 | Daughter | New Worker | Texas |
| 71 | Violet Dennis | 17 | Daughter | New Worker | Texas |
| 72 | James Dennis THIS PERSON | 14 | Son | — | Texas |
| 73 | Ray Lee Dennis | 12 | Son | — | Texas |
| 74 | Felix Eckert | 59 | Head | Farmer | Texas |
| 75 | Henry Saunders | 49 | Head | Farmer | Texas |
| 76 | Fannie Saunders | 49 | Wife | — | Texas |
| 77 | Henry Jr Saunders | 23 | Son | Laborer | Texas |
| 78 | Reagan White | 54 | Head | Farmer | Texas |
| 79 | Beulah White | 58 | Wife | — | Texas |
| 80 | Mrs. Kittie Rau | 52 | Head | Farmer | Texas |
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)