AC
Anna Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cameron-County, Texas
Our Model Tree links this Anna Cox across the 1930 and 1940 US Censuses in Cameron-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cameron-County, Texas |
| Surname | Cox |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Santa Rosa |
| 1935 Residence (County) | Cameron |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Santa Rosa |
| Est. Birth Year | ~1925 |
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 Anna | Age | Birth yr |
|---|---|---|---|---|
| Mary Cox | Daughter | — | 17 | ~1923 |
| George Cox | Son | — | 4 | ~1936 |
| James Cox | Head | — | 39 | ~1901 |
| Richard Cox | Son | — | 3 | ~1937 |
| James Cox | Son | — | 19 | ~1921 |
| Anna Cox | Daughter | — | 15 | ~1925 |
| Mildred Cox | Spouse | — | 40 | ~1900 |
| Marjorie Cox | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Cameron, Texas
Daughter, age 5
Cameron, Texas · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Annie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Cameron-County, Texas
Daughter, age 15
Cameron-County, Texas · implied b. ~1925 — 8 household members
| Surname | Cox |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Santa Rosa |
| 1935 Residence (County) | Cameron |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Anna Cox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Cox
Daughter · 1940 · age 15 · b. ~1925 · Texas
★ You are viewing this record
Sibling
James Cox
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cox
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Cox
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cox
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cox
Sibling · 1940 · age 4
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 — Cameron-County, Texas
Open full size
1940 US Federal Census — Cameron-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04000-00544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James C Cox | 39 | Head | Foreman | Indiana |
| 42 | Mildred Cox | 40 | Wife | — | Indiana |
| 43 | James Cox | 19 | Son | — | Indiana |
| 44 | Mary Cox | 17 | Daughter | — | Indiana |
| 45 | Anna Cox THIS PERSON | 15 | Daughter | — | Indiana |
| 46 | Marjorie Cox | 13 | Daughter | — | Texas |
| 47 | George Cox | 4 | Son | — | Texas |
| 48 | Richard Cox | 3 | Son | — | Texas |
| 49 | John Southerland | 69 | Head | Farm Laborer | Oklahoma |
| 50 | Oma Southerland | 61 | Wife | — | Texas |
| 51 | Ross Williams | 32 | Head | Carpenter | Oklahoma |
| 52 | Audrey Williams | 29 | Wife | — | Texas |
| 53 | Nelda Williams | 12 | Daughter | — | Texas |
| 54 | Donald Williams | 7 | Son | — | Texas |
| 55 | David Ladd | 36 | Head | Farm Laborer | Oklahoma |
| 56 | Ruth Ladd | 40 | Wife | — | Arkansas |
| 57 | Irene Ladd | 13 | Daughter | — | Oklahoma |
| 58 | Jack Fleming | 23 | Head | Painter | Georgia |
| 59 | Dorothy Fleming | 24 | Wife | — | Texas |
| 60 | Rebecca Fleming | 2 | Daughter | — | Texas |
| 61 | Virgil Brown | 34 | Head | Farm Laborer | Texas |
| 62 | Flossie Brown | 56 | Wife | — | Georgia |
| 63 | Libby Brown | 21 | Son | Farm Laborer | Georgia |
| 64 | Sterling Doss | 27 | Head | Farm Laborer | Texas |
| 65 | Vera Doss | 25 | Wife | — | Texas |
| 66 | Horace Doss | 5 | Son | — | Texas |
| 67 | Sterling Doss | 2 | Son | — | Texas |
| 68 | Vernon Johnston | 23 | Head | Ice Puller | Mississippi |
| 69 | Doris Johnston | 20 | Wife | — | Texas |
| 70 | Robert Johnston | 5 | Son | — | Texas |
| 71 | James Hammett | 49 | Head | Farm Laborer | Georgia |
| 72 | Ruth Hammett | 44 | Wife | — | Georgia |
| 73 | James Hammett | 20 | Son | Farm Laborer | Georgia |
| 74 | Walker Hammett | 18 | Son | Farm Laborer | Georgia |
| 75 | Nell Hammett | 15 | Daughter | — | Georgia |
| 76 | Helen Hammett | 11 | Daughter | — | Texas |
| 77 | Felipro Roderiguez | 22 | Head | Farm Laborer | Texas |
| 78 | Arlinda Roderiguez | 20 | Wife | — | Texas |
| 79 | Avalino Roderiguez | 1 | Daughter | — | Texas |
| 80 | Flordencia Roderiguez | 60 | Mother | — | 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)