MC
Margaret Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tulare-County, California
Our Model Tree links this Margaret Cox across the 1930 and 1940 US Censuses in Tulare-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tulare-County, California |
| Surname | Cox |
| Given Name | Margaret J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Alpaugh Township |
| 1935 Residence (County) | Tulare |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Alpaugh Township |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Homer Cox | Head | — | 51 | ~1889 |
| Burly Cox | Son | — | 20 | ~1920 |
| Estella Cox | Daughter | — | 16 | ~1924 |
| Lary Cox | Son | — | 9 | ~1931 |
| Margaret Cox | Daughter | — | 11 | ~1929 |
| Georgia Cox | Spouse | — | 44 | ~1896 |
| Ella Cox | Daughter | — | 7 | ~1933 |
| Rolland Cox | Son | — | 14 | ~1926 |
| Betty Cox | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Tulare, California
Daughter, age 1
Tulare, California · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Marilyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Tulare-County, California
Daughter, age 11
Tulare-County, California · implied b. ~1929 — 9 household members
| Surname | Cox |
| Given Name | Margaret J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Alpaugh Township |
| 1935 Residence (County) | Tulare |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 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 Margaret Cox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Cox
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Betty Cox
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estella Cox
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Cox
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rolland Cox
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lary Cox
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burly Cox
Sibling · 1940 · age 20
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 — Tulare-County, California
Open full size
1940 US Federal Census — Tulare-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00357-00162)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Otis Thompson | 8 | son | — | Oklahoma |
| 42 | Cletus Thompson | 4 | son | — | Oklahoma |
| 43 | Sheat Williams | 32 | head | Mechanic | Oklahoma |
| 44 | Ann Williams | 19 | wife | — | California |
| 45 | Evert Spear | 59 | head | Farmer | Kentucky |
| 46 | Alta Spear | 56 | wife | — | Kentucky |
| 47 | Orville Dutton | 25 | head | Laborer | Oklahoma |
| 48 | Edna Dutton | 24 | wife | — | Oklahoma |
| 49 | Patricia D Dutton | 2 | daughter | — | Oklahoma |
| 50 | Hiram T Epperson | 45 | head | Farmer | Colorado |
| 51 | Retha B Epperson | 44 | wife | — | New Mexico |
| 52 | Billy Gene Epperson | 16 | daughter | — | California |
| 53 | Howard J Off | 39 | head | Farmer | California |
| 54 | Susanna Rauscher | 44 | Cook | Cook | Ohio |
| 55 | Leonard Broomly | 26 | head | Farmer | Oklahoma |
| 56 | Eva Broomly | 26 | wife | — | Texas |
| 57 | Dolores Broomly | 5 | daughter | — | California |
| 58 | Dewine Broomly | 3 | son | — | California |
| 59 | Lavera Broomly | 2 | daughter | — | California |
| 60 | Lovon Broomly | 0 | daughter | — | California |
| 61 | Everet Bass | 25 | head | Laborer | Texas |
| 62 | Mary Bass | 22 | wife | — | Texas |
| 63 | Mary E Bass | 1 | daughter | — | California |
| 64 | Wayne Murray | 27 | head | Farmer | Missouri |
| 65 | Virginia L Murray | 19 | wife | — | Oklahoma |
| 66 | Mih Hendrick | 57 | mother | — | Tennessee |
| 67 | P. W. Hendrick | 24 | son | Laborer | Arkansas |
| 68 | Homer G. Cox | 51 | head | Farmer | Texas |
| 69 | Georgia E. Cox | 44 | wife | — | Texas |
| 70 | Burly D Cox | 20 | son | Laborer | Arizona |
| 71 | Estella D Cox | 16 | daughter | — | Arizona |
| 72 | Rolland A Cox | 14 | son | — | Arizona |
| 73 | Margaret J Cox THIS PERSON | 11 | daughter | — | California |
| 74 | Lary A Cox | 9 | son | — | California |
| 75 | Ella C. Cox | 7 | daughter | — | California |
| 76 | Betty May Cox | 4 | daughter | — | California |
| 77 | Claude M. Taton | 37 | head | Farmer | Oklahoma |
| 78 | Amelia Taton | 24 | wife | — | Texas |
| 79 | Clara Taton | 72 | mother | — | Texas |
| 80 | William Hudson | 60 | head | Laborer | Tennessee |
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)