MR
Maria Rodriguez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Bernardino, California
Our Model Tree links this Maria Rodriguez across the 1930 and 1940 US Censuses in San Bernardino, California (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 0
b. ~1930
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Bernardino, California |
| Surname | Rodriguez |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mexican |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Mexico |
| Mother's Birthplace | Mexico |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Bloomington Precinct |
| Est. Birth Year | ~1930 |
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 1930 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Betty Rodriguez | Daughter | — | ~1930 | |
| Jose Rodriguez | Son | — | 3 | ~1927 |
| Jesus Rodriguez | Son | — | 2 | ~1928 |
| Ricardo Rodriguez | Son | — | 1 | ~1929 |
| Maria Rodriguez | Daughter | — | ~1930 | |
| Concepcion Rodriguez | Daughter | — | 4 | ~1926 |
| Concepcion Rodriguez | Spouse | — | 20 | ~1910 |
| Jose Rodriguez | Head | — | 30 | ~1900 |
| Margarita Rodriguez | Daughter | — | ~1930 |
Census Appearances
1930
San Bernardino, …
Daughter, age
San Bernardino, California · implied b. ~1930 — 9 household members
| Surname | Rodriguez |
| Given Name | Maria |
| 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
San-Bernardino-County, California
Daughter, age 10
San-Bernardino-County, California · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rodrigues |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Needles city |
| 1935 Residence (County) | San Bernardino |
| Highest Grade | No 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 · 1930 · age 0 · b. ~1930 · California
★ You are viewing this record
Sibling
Jose Rodriguez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ricardo Rodriguez
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesus Rodriguez
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margarita Rodriguez
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Rodriguez
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Concepcion Rodriguez
Sibling · 1930 · 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
1930 US Federal Census — San Bernardino, California
Open full size
1930 US Federal Census — San Bernardino, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel187:0703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Laughlin | 34 | Head | Poultry Farmer | Pennsylvania |
| 52 | Lillian Laughlin | 34 | Wife | — | Pennsylvania |
| 53 | John Jr. Laughlin | 11 | Son | — | Pennsylvania |
| 54 | Robert Laughlin | 9 | Son | — | Pennsylvania |
| 55 | William Laughlin | 7 | Son | — | Pennsylvania |
| 56 | Richard Laughlin | 5 | Son | — | California |
| 57 | James Laughlin | 3 | Son | — | California |
| 58 | Mary Laughlin | 1 | Daughter | — | California |
| 59 | Lillian Laughlin | 0 | Daughter | — | California |
| 60 | Laughlin Laughlin | 61 | Father | — | Pennsylvania |
| 61 | Thomas Shay | 61 | Head | Farmer | Missouri |
| 62 | Martha Shay | 54 | Wife | — | Missouri |
| 63 | Domingo De Oro | 37 | Head | Laborer | Mexico |
| 64 | Leonora De Oro | 31 | Wife | — | Mexico |
| 65 | Leonora De Oro | 11 | Daughter | — | Mexico |
| 66 | Gabriel De Oro | 9 | Son | — | Mexico |
| 67 | Manuel De Oro | 7 | Son | — | California |
| 68 | Alfonso De Oro | 4 | Son | — | California |
| 69 | John Lauri | 54 | Head | Farmer | Estonia |
| 70 | Alma Lauri | 43 | Wife | — | Czechoslovakia |
| 71 | Wilma Lauri | 15 | Daughter | — | Oregon |
| 72 | Robert Sumidra | 31 | Head | Farmer | Italy |
| 73 | Alice E. Sumidra | 23 | Wife | — | Finland |
| 74 | Eugene Sumidra | 2 | Son | — | California |
| 75 | Barbara Sumidra | 53 | Mother | — | Italy |
| 76 | Ben Verme | 50 | Head | Farmer | England |
| 77 | Edith Verme | 48 | Wife | — | Illinois |
| 78 | James Verme | 21 | Son | — | Illinois |
| 79 | Margaret Verme | 14 | Daughter | — | Illinois |
| 80 | John Groom | 70 | Head | Farmer | New York |
| 81 | Lydia Groom | 70 | Wife | — | Minnesota |
| 82 | Jose Rodriguez | 30 | Head | Laborer | Mexico |
| 83 | Concepcion Rodriguez | 20 | Wife | — | Mexico |
| 84 | Concepcion Rodriguez | 4 | Daughter | — | Mexico |
| 85 | Jose Rodriguez | 3 | Son | — | California |
| 86 | Jesus Rodriguez | 2 | Son | — | California |
| 87 | Ricardo Rodriguez | 1 | Son | — | California |
| 88 | Margarita Rodriguez | 0 | Daughter | — | California |
| 89 | Maria Rodriguez THIS PERSON | 0 | Daughter | — | California |
| 90 | Betty Rodriguez | 0 | Daughter | — | California |
| 91 | John Johnson | 66 | Head | — | Illinois |
| 92 | Emma Johnson | 66 | Wife | — | Iowa |
| 93 | Margaret Johnson | 61 | Servant | Housemaid | Virginia |
| 94 | John D'Alessandro | 42 | Head | Farmer | Italy |
| 95 | Mary D'Alessandro | 38 | Wife | — | Italy |
| 96 | Angeline D'Alessandro | 15 | Daughter | — | California |
| 97 | John D'Alessandro | 13 | Son | — | California |
| 98 | Mary D'Alessandro | 11 | Daughter | — | California |
| 99 | Rose D'Alessandro | 9 | Daughter | — | California |
| 100 | Pedro Guerra | 30 | Head | Laborer | Mexico |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)