MS
Mary Schroeder — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Schroeder across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 7-person household.
Age 70
b. ~1860
Female
Head
Born: Germany
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1883 |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1860 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Henry Schroeder | Son | — | 47 | ~1883 |
| Mary Schroeder | Head | — | 70 | ~1860 |
| Cathren Schroeder | Daughter | — | 25 | ~1905 |
| Louis Schroeder | Son | — | 33 | ~1897 |
| Walter Schroeder | Son | — | 39 | ~1891 |
| Marie Schroeder | Daughter | — | 29 | ~1901 |
| Carl Schroeder | Son | — | 37 | ~1893 |
Census Appearances
1930
Los Angeles, …
Head, age 70
Los Angeles, California · implied b. ~1860 — 7 household members
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1883 |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Los-Angeles-County, California
Other, age 78
Los-Angeles-County, California · implied b. ~1862 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Mary Schroeder across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Schroeder
Head · 1930 · age 70 · b. ~1860 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
48 people indexed on this census page (ia:1930:californiacensus00reel159:0594)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Schroeder THIS PERSON | 70 | Head | None | Germany |
| 52 | Henry Schroeder | 47 | Son | Farmer | Kansas |
| 53 | Walter Schroeder | 39 | Son | Electrician | Kansas |
| 54 | Carl Schroeder | 37 | Son | Farmer | Kansas |
| 55 | Louis Schroeder | 33 | Son | Farmer | California |
| 56 | Marie Schroeder | 29 | Daughter | None | California |
| 57 | Cathren Schroeder | 25 | Daughter | Accountant | California |
| 58 | Manuel Hidalgo | 35 | Head | Laborer | Mexico |
| 59 | Marie Hidalgo | 27 | Wife | None | Mexico |
| 60 | Selodia Hidalgo | 15 | Son | None | Mexico |
| 61 | Jesus Hidalgo | 9 | Son | None | California |
| 62 | Lucy Hidalgo | 6 | Daughter | None | California |
| 63 | Robert Hidalgo | 5 | Son | None | California |
| 64 | Beatrice Hidalgo | 3 | Daughter | None | California |
| 65 | Heisigi Matsumoto | 51 | Head | Farmer | Japan |
| 66 | Sato Matsumoto | 41 | Wife | None | Japan |
| 67 | Katsuo Matsumoto | 13 | Daughter | None | California |
| 68 | Michiko Matsumoto | 17 | Daughter | None | California |
| 69 | Cosie Matsumoto | 15 | Son | None | California |
| 70 | Namico Matsumoto | 14 | Daughter | None | California |
| 71 | Caturo Matsumoto | 12 | Son | None | California |
| 72 | Isuro Matsumoto | 10 | Son | None | Japan |
| 73 | Chisuchi Sugano | 25 | Roomer | Farmer | Japan |
| 74 | Albert J. Garcia | 33 | Head | Farmer | California |
| 75 | Henrietta Garcia | 22 | Wife | None | Pennsylvania |
| 76 | Albert Garcia | 8 | Son | None | California |
| 77 | June Garcia | 3 | Daughter | None | California |
| 78 | L. J. Porter | 35 | Head | Farmer | Iowa |
| 79 | Gertrude Porter | 39 | Wife | None | Iowa |
| 80 | Clark Porter | 12 | Son | None | Iowa |
| 81 | Dorothy Porter | 2 | Daughter | None | California |
| 82 | Jess Smith | 44 | Head | Farmer | Texas |
| 83 | Catherine Smith | 32 | Wife | None | Indiana |
| 84 | Catherine Smith | 7 | Daughter | None | California |
| 85 | Edward Smith | 5 | Son | None | California |
| 86 | Manuel Flores | 53 | Head | Laborer | Mexico |
| 87 | Manuel Flores | 27 | Son | Laborer | Mexico |
| 88 | Guadalupe Flores | 45 | Wife | None | Mexico |
| 89 | Miguel Flores | 25 | Son | Laborer | California |
| 90 | Juanita Flores | 12 | Daughter | None | California |
| 91 | Guadalupe Flores | 7 | Daughter | None | California |
| 92 | Gassio Calagna | 74 | Head | Farmer | Italy |
| 93 | Dominica Calagna | 66 | Wife | None | Italy |
| 94 | Pete Calagna | 36 | Son | Farmer | Italy |
| 95 | Anna Calagna | 28 | Daughter-in-law | None | Italy |
| 96 | Gassio Calagna | 6 | Grandson | None | California |
| 97 | Sarafina Calagna | 4 | Grandson | None | California |
| 98 | Henry Calagna | 2 | Grandson | None | California |
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)