MR
Maria Rodriguez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Stanislaus-County, California
Our Model Tree links this Maria Rodriguez across the 1930 and 1940 US Censuses in Stanislaus-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 | Stanislaus-County, California |
| Surname | Rodriguez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | nr |
| 1935 Residence (County) | nr |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Nr |
| 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 Maria | Age | Birth yr |
|---|---|---|---|---|
| Refugia Rodriguez | Spouse | — | 39 | ~1901 |
| Julian Rodriguez | Son | — | 6 | ~1934 |
| Sarah Rodriguez | Daughter | — | 8 | ~1932 |
| Lupe Rodriguez | Daughter | — | 2 | ~1938 |
| Maria Rodriguez | Daughter | — | 11 | ~1929 |
| Margareta Rodriguez | Daughter | — | 9 | ~1931 |
| Julian Rodriguez | Head | — | 57 | ~1883 |
| Indalecio Rodriguez | Son | — | 19 | ~1921 |
| Delfina Rodriguez | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Stanislaus, California
Daughter, age
Stanislaus, California · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rodriguez |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Stanislaus-County, California
Daughter, age 11
Stanislaus-County, California · implied b. ~1929 — 9 household members
| Surname | Rodriguez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | nr |
| 1935 Residence (County) | nr |
| Class of Worker | 0 |
| Highest Grade | 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 Maria Rodriguez across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Rodriguez
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Sarah Rodriguez
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julian Rodriguez
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Indalecio Rodriguez
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margareta Rodriguez
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delfina Rodriguez
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lupe Rodriguez
Sibling · 1940 · age 2
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 — Stanislaus-County, California
Open full size
1940 US Federal Census — Stanislaus-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00353-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Perez|Parey | 5 | Son | — | California |
| 42 | Berlen Perez|Parey | 3 | Son | — | California |
| 43 | Antonio Perez|Parey | 0 | Son | — | California |
| 44 | Milton Vasquez | 55 | Head | Laborer | Mexico |
| 45 | Frances Vasquez | 53 | Wife | — | Mexico |
| 46 | Celerina Vasquez | 33 | Daughter | Peeler | Mexico |
| 47 | Lupe Vasquez | 29 | Son | Laborer | California |
| 48 | Alvina Vasquez | 25 | Daughter | Peeler | California |
| 49 | Estella Vasquez | 23 | Daughter | Peeler | California |
| 50 | Josephine Vasquez | 20 | Daughter | Peeler | California |
| 51 | Vera Vasquez | 17 | Daughter | — | California |
| 52 | Theresa Vasquez | 15 | Daughter | — | California |
| 53 | Angelo Vasquez | 11 | Daughter | — | California |
| 55 | Amelia Lopez | 45 | Head | — | Mexico |
| 56 | Daturmina Lopez | 19 | Son | Laborer | California |
| 57 | Pasqual Lopez | 18 | Son | — | California |
| 58 | Manuel Lopez | 16 | Son | Cutter | California |
| 59 | Antonia Lopez | 13 | Daughter | — | California |
| 60 | Lupe Lopez | 10 | Daughter | — | California |
| 61 | Justo Florez | 68 | Head | — | Mexico |
| 62 | Pola Florez | 58 | Wife | — | Mexico |
| 63 | Jose Florez | 22 | Son | Laborer | Utah |
| 64 | Santos Florez | 20 | Son | Laborer | Utah |
| 65 | Reyes Florez | 15 | Son | — | Kansas |
| 66 | Julian Rodriguez | 57 | Head | Laborer | Mexico |
| 67 | Refugia Rodriguez | 39 | Wife | — | Mexico |
| 68 | Indalecio Rodriguez | 19 | Son | Laborer | Mexico |
| 69 | Maria Rodriguez THIS PERSON | 11 | Daughter | — | California |
| 70 | Margareta Rodriguez | 9 | Daughter | — | California |
| 71 | Sarah Rodriguez | 8 | Daughter | — | California |
| 72 | Julian Jr. Rodriguez | 6 | Son | — | California |
| 73 | Delfina Rodriguez | 4 | Daughter | — | California |
| 74 | Lupe Rodriguez | 2 | Daughter | — | California |
| 75 | Apolonio Ulloa | 58 | Head | Laborer | Mexico |
| 76 | Aljandra Ulloa | 58 | Wife | — | Mexico |
| 77 | Jalanita Ulloa | 32 | Daughter | Peeler | Mexico |
| 78 | Jesus Ulloa | 31 | Son | Canning Dept | Mexico |
| 79 | Joe Ulloa | 28 | Head | Laborer | Arizona |
| 80 | Magdalena Ulloa | 25 | Wife | Peeler | California |
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)