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John Schroeder — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Schroeder across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Henry & Bernhardine — first a son (b.~1917), then head of a 4-person household.
Age 13
b. ~1917
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Schroeder |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Schroeder | Daughter | — | 9 | ~1921 |
| Harry Schroeder | Head | — | 35 | ~1895 |
| John Schroeder | Son | — | 13 | ~1917 |
| Blanche Schroeder | Spouse | — | 34 | ~1896 |
Census Appearances
1920
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroder |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 13
San Francisco, California · implied b. ~1917 — 4 household members
| Surname | Schroeder |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Other, age 23
San-Francisco-County, California · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schreider |
| Given Name | John C. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| Highest Grade | No 4 |
| 1935 Residence | California |
| 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 John Schroeder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Schroder (~0.92 confidence) and mother Bernhardine Schroder (~0.92 confidence) and father Harry Schroeder (~0.92 confidence) and mother Blanche Schroeder (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Schroder
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Bernhardine Schroder
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
Harry Schroeder
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Blanche Schroeder
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schroeder
Son · 1930 · age 13 · b. ~1917 · California
★ You are viewing this record
Sibling
Marjorie Schroeder
Sibling · 1930 · age 9
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 Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
48 people indexed on this census page (ia:1930:californiacensus00reel203:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James B Baker | 28 | Son | Salesman | California |
| 2 | Beatrice B Baker | 24 | Wife-H | — | New Jersey |
| 3 | Jack Baker | 2 | Son | — | California |
| 4 | Bruce Baker | 0 | Son | — | California |
| 5 | Gustave Broeker | 35 | Head | Buyer | California |
| 6 | Evelyn Broeker | 30 | Wife | — | California |
| 7 | Marjorie Broeker | 2 | Daughter | — | California |
| 8 | Robert Curran | 52 | Head | Electrician | California |
| 9 | Lillian Curran | 41 | Wife | — | New York State |
| 10 | Jane Curran | 9 | Daughter | — | California |
| 11 | Josephine Curran | 7 | Daughter | — | California |
| 12 | Allen James | 62 | Head | Gardener | California |
| 13 | Susan James | 57 | Wife | — | California |
| 14 | Harry James | 27 | Son | Elevator | California |
| 15 | Albert James | 18 | Son | — | California |
| 16 | Florence James | 17 | Daughter | — | California |
| 17 | Eugene Morchio | 50 | Head | Attorney At Law | Russia |
| 18 | Charlotte Morchio | 45 | Wife | — | California |
| 19 | Stewart Morchio | 18 | Son | — | California |
| 20 | Reynolds Morchio | 15 | Son | — | California |
| 21 | Michael Morchio | 78 | Father | None (Retired) | Russia |
| 22 | John Mulcare | 61 | Head | Packer | New York State |
| 23 | Johanna Mulcare | 66 | Wife | — | New York State |
| 24 | James Mulcare | 37 | Son | Secretary | California |
| 25 | Marie Mulcare | 34 | Daughter | Stenographer | California |
| 26 | Ellen Mulcare | 27 | Daughter | Stenographer | California |
| 27 | Neal Tangher | 37 | Head | Buyer | New York City |
| 28 | Margaret Tangher | 38 | Wife | — | Tennessee |
| 29 | Robert Tangher | 7 | Son | — | California |
| 30 | Norton Tangher | 5 | Son | — | California |
| 31 | Linton Norton | 51 | Boarder | Conductor | Iowa |
| 32 | Harry Schroeder | 35 | Head | Merchant | California |
| 33 | Blanche Schroeder | 34 | Wife | — | California |
| 34 | John Schroeder THIS PERSON | 13 | Son | — | California |
| 35 | Marjorie Schroeder | 9 | Daughter | — | California |
| 36 | John Schelling | 32 | Head | Superintendent | Nebraska |
| 37 | Verna Schelling | 35 | Wife | — | California |
| 38 | John B Schelling | 11 | Son | — | California |
| 39 | Barbara Betty Schelling | 2 | Daughter | — | California |
| 40 | Belle Kincaid | 60 | Head | Stenographer | California |
| 41 | May Kincaid | 71 | Sister | Teacher | California |
| 42 | Max Bloom | 54 | Head | Merchant | Poland |
| 43 | Freda Bloom | 39 | Wife | — | Poland |
| 44 | Sam Bloom | 21 | Son | Clerk | California |
| 45 | Robert Bloom | 15 | Son | — | California |
| 46 | Vernon O'Connor | 32 | Head | Manufacturer | Texas |
| 47 | Mabel O'Connor | 28 | Wife | — | New York |
| 48 | Isabel O'Connor | 20 | Daughter | Stenographer | New York |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)