WM
William Muller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this William Muller across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 14-person household.
Age 22
b. ~1908
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Muller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1908 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Emma Muller | Daughter | — | 28 | ~1902 |
| George Muller | Son | — | 17 | ~1913 |
| Fred Muller | Son | — | 25 | ~1905 |
| Henry Muller | Son | — | 12 | ~1918 |
| Charles Muller | Son | — | 32 | ~1898 |
| Augusta Muller | Spouse | — | 60 | ~1870 |
| Albert Muller | Son | — | 8 | ~1922 |
| August Muller | Head | — | 65 | ~1865 |
| Anna Muller | Daughter | — | 19 | ~1911 |
| Martha Muller | Daughter | — | 10 | ~1920 |
| August Muller | Son | — | 35 | ~1895 |
| William Muller | Son | — | 22 | ~1908 |
| Rose Muller | Daughter | — | 6 | ~1924 |
| Edward Muller | Son | — | 15 | ~1915 |
Census Appearances
1930
San Francisco, …
Son, age 22
San Francisco, California · implied b. ~1908 — 14 household members
| Surname | Muller |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 32
San-Francisco-County, California · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | William S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Occupation | Grocery Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1550 |
| Highest Grade | No 8 |
| 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 William Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Muller
Son · 1930 · age 22 · b. ~1908 · California
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Sibling
Henry Muller
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Muller
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Muller
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Muller
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Muller
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Muller
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Muller
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
August Muller
Sibling · 1930 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Muller
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Muller
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Muller
Sibling · 1930 · age 10
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
50 people indexed on this census page (ia:1930:californiacensus00reel211:0296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Mccormick | 62 | Head | — | California |
| 2 | Emma Mccormick | 58 | Wife | — | California |
| 3 | John Mccormick | 32 | Son | Truck Driver | California |
| 4 | Isabelle Mccormick | 28 | Daughter | — | California |
| 5 | Alice Mccormick | 21 | Daughter | — | California |
| 6 | August Muller | 65 | Head | — | California |
| 7 | Augusta Muller | 60 | Wife | — | Germany |
| 8 | August Jr. Muller | 35 | Son | — | California |
| 9 | Charles Muller | 32 | Son | — | California |
| 10 | Emma Muller | 28 | Daughter | — | California |
| 11 | Fred Muller | 25 | Son | — | California |
| 12 | William Muller THIS PERSON | 22 | Son | — | California |
| 13 | Anna Muller | 19 | Daughter | — | California |
| 14 | George Muller | 17 | Son | — | California |
| 15 | Edward Muller | 15 | Son | — | California |
| 16 | Henry Muller | 12 | Son | — | California |
| 17 | Martha Muller | 10 | Daughter | — | California |
| 18 | Albert Muller | 8 | Son | — | California |
| 19 | Rose Muller | 6 | Daughter | — | California |
| 20 | Arthur Powell | 45 | Head | — | California |
| 21 | Alice Powell | 42 | Wife | — | California |
| 22 | Arthur Jr. Powell | 15 | Son | — | California |
| 23 | John Peterson | 55 | Head | — | Sweden |
| 24 | Mary Peterson | 50 | Wife | — | Sweden |
| 25 | Carl Peterson | 20 | Son | — | California |
| 26 | — | None | — | — | — |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)