WS
Walter Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Walter Schmidt across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Carpenter |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Richard Schmidt | Other | — | 41 | ~1889 |
| Baptista Schmidt | Head | — | 54 | ~1876 |
| Walter Schmidt | Son | — | 23 | ~1907 |
| John Schmidt | Son | — | 22 | ~1908 |
| Alma Schmidt | Daughter | — | 13 | ~1917 |
Census Appearances
1910
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Russia |
| Mother's Birthplace | Germany |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 12
San Francisco, California · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Russia |
| Mother's Birthplace | Germany |
| Industry | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 23
San Francisco, California · implied b. ~1907 — 5 household members
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Walter Schmidt across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father John Schmidt (~0.92 confidence) and father John Schmidt (~0.92 confidence) and mother Babetta Schmidt (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Schmidt
b. ~1855
Source father
● Household
· direct · ~0.92
Father
John Schmidt
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Babetta Schmidt
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Schmidt
Son · 1930 · age 23 · b. ~1907 · California
★ You are viewing this record
Sibling
Alma Schmidt
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Schmidt
Sibling · 1930 · age 22
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
49 people indexed on this census page (ia:1930:californiacensus00reel195:0023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar Stubbs | 44 | Head | — | Michigan |
| 2 | Marie Stubbs | 40 | Wife | — | Illinois |
| 3 | Norman Carmichael | 41 | Head | — | Canada French |
| 4 | Nellie H. Carmichael | 37 | Wife | — | Canada French |
| 5 | Norman Carmichael | 4 | Son | — | California |
| 6 | Maggie Carmichael | 72 | Mother | — | Canada French |
| 7 | Victor Arreghi | 34 | Head | Clerk | California |
| 8 | Cathleen Arreghi | 27 | Wife | — | Colorado |
| 9 | Audria Arreghi | 1 | Son | — | California |
| 10 | Mary Hughes | 65 | Mother | — | Ohio |
| 11 | Baptista Schmidt | 54 | Head | — | Germany |
| 12 | Walter Schmidt THIS PERSON | 23 | Son | Carpenter | California |
| 13 | John Schmidt | 22 | Son | Carpenter | California |
| 14 | Alma Schmidt | 13 | Daughter | — | California |
| 15 | Richard Schmidt | 41 | Lodger | — | Germany |
| 16 | Arthur Cawdery | 41 | Head | Stock Clerk | Canada English |
| 17 | Carolyn Cawdery | 30 | Wife | — | California |
| 18 | Arthur Cawdery | 12 | Son | — | California |
| 19 | Muriel Cawdery | 8 | Daughter | — | California |
| 20 | Donald Cawdery | 2 | Son | — | California |
| 21 | Emelia Donati | 55 | Head | — | Switzerland |
| 22 | Armida Donati | 28 | Daughter | Clerk | California |
| 23 | Josephine Donati | 27 | Daughter | Stenographer | California |
| 24 | Lester Donati | 26 | Son | — | California |
| 25 | Eva Donati | 23 | Son | — | California |
| 26 | John Carrol | 50 | Head | Tailor | California |
| 27 | Gladys Carrol | 29 | Wife | — | California |
| 28 | John Carrol | 11 | Son | — | California |
| 29 | James Carrol | 5 | Son | — | California |
| 30 | Edith Garrity | 50 | Boarder | — | Ohio |
| 31 | Ivan Donaldson | 38 | Head | Cabinet Maker | Sweden |
| 32 | Helga Donaldson | 37 | Wife | — | Sweden |
| 33 | Alma Donaldson | 1 | Daughter | — | California |
| 34 | James Basile | 37 | Head | — | Italy |
| 35 | Anna Basile | 33 | Wife | — | Italy |
| 36 | Paula Basile | 6 | Daughter | — | California |
| 37 | Leo Basile | 4 | Son | — | California |
| 38 | John Freeman | 47 | Head | — | Sweden |
| 39 | Anna Freeman | 39 | Wife | — | Sweden |
| 40 | Arnold Freeman | 11 | Son | — | Montana |
| 41 | Frank Mcinduor | 49 | Head | Helper | Minnesota |
| 42 | Jeanette Mcinduor | 41 | Wife | — | Montana |
| 43 | John Mcinduor | 21 | Son | Helper | Montana |
| 44 | Sarah Mcinduor | 21 | Daughter | Operator | Montana |
| 45 | Charles Mcinduor | 17 | Son | — | Montana |
| 46 | John Bardi | 47 | Head | — | Italy |
| 47 | Albina Bardi | 42 | Wife | — | Italy |
| 48 | Yolanda Bardi | 15 | Daughter | — | Ohio |
| 49 | Robert Bardi | 9 | Son | — | California |
Pedigree Summary
Walter + 2 siblings
Gen 1 · 3 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)