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John Muller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Muller across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 4-person household.
Age 16
b. ~1914
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Beatrice Muller | Spouse | — | 38 | ~1892 |
| Albert Muller | Son | — | 18 | ~1912 |
| Albert Muller | Head | — | 48 | ~1882 |
| John Muller | Son | — | 16 | ~1914 |
Census Appearances
1930
San Francisco, …
Son, age 16
San Francisco, California · implied b. ~1914 — 4 household members
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 25
San-Francisco-County, California · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Printer |
| Industry | Printing Shop |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 310 |
| Highest Grade | H 4 |
| 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 John Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Muller
Son · 1930 · age 16 · b. ~1914 · California
★ You are viewing this record
Sibling
Albert Muller
Sibling · 1930 · age 18
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:californiacensus00reel194:1060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred Johnson | 43 | Head | Fireman | California |
| 52 | Ida Johnson | 70 | Mother | — | Germany |
| 53 | Klofedora Johnson | 22 | Daughter | Saleslady | California |
| 54 | Fred Herman | 41 | Head | Janitor | Pennsylvania |
| 55 | Ernest Herman | 75 | Father | — | Germany |
| 56 | Susanna Herman | 47 | Sister | Nurse | Pennsylvania |
| 57 | John Borg | 53 | Head | Janitor | Russia |
| 58 | Elsie Borg | 53 | Wife | — | California |
| 59 | Arthur Ladey | 31 | Head | Teamster | California |
| 60 | Irma Ladey | 22 | Wife | — | California |
| 61 | Dorothy Ladey | 2 | Daughter | — | California |
| 62 | Harriet Ladey | 0 | Daughter | — | California |
| 63 | Giuseppe Montagnino | 50 | Head | Labour | Italy |
| 64 | Pete Montagnino | None | Roomer | — | Italy |
| 65 | Louis Label | 33 | Head | Teamster | California |
| 66 | Mary Label | 26 | Wife | — | California |
| 67 | Arthur Label | 12 | Son | — | California |
| 68 | Richard Label | 4 | Son | — | California |
| 69 | Theodore Soderberg | 38 | Head | Conductor | Minnesota |
| 70 | Ethel Soderberg | 31 | Wife | — | California |
| 71 | John Muller | 45 | Head | Laborer | Pennsylvania |
| 72 | Wife Muller | 43 | Wife | — | Rumania |
| 73 | Remigio Serafina | 52 | Head | Stripper | Italy |
| 74 | Giovanni Grigoro | 42 | Roomer | Mechanic | Italy |
| 75 | Giuseppe Crisafi | 34 | Head | Laborer | Italy |
| 76 | Domenica Crisafi | 24 | Wife | — | Italy |
| 77 | Jose Fernandez | 57 | Head | Canman | Spain |
| 78 | Bessie Fernandez | 45 | Wife | — | Canada |
| 79 | Charles Westenberger | 53 | Head | Butler | Turkey Boths |
| 80 | Elizabeth Westenberger | 51 | Sister | — | Illinois |
| 81 | Thomas Kelso | 79 | Head | Gardner | Irish Free State |
| 82 | Mary Kelso | 79 | Wife | — | Irish Free State |
| 83 | James Kelso | 21 | Son | Laborer | California |
| 84 | Albert Muller | 48 | Head | Laborer | Italy |
| 85 | Beatrice Muller | 38 | Wife | — | Italy |
| 86 | Albert Muller | 18 | Son | — | California |
| 87 | John Muller THIS PERSON | 16 | Son | — | California |
| 88 | John Fink | 57 | Head | Expressman | California |
| 89 | Alice Fink | 45 | Wife | — | Oregon |
| 90 | Peter Bandy | 23 | Head | Laborer | Italy |
| 91 | Just Bandy | 18 | Wife | — | Italy |
| 92 | Peter Bandy | 42 | Head | Laborer | Norway |
| 93 | Claude Locour | 77 | Head | Chauffeur | France |
| 94 | Alice Locour | 34 | Wife | — | California |
| 95 | Mary Walker | 50 | Head | — | California |
| 96 | Rossie Romualdo | 39 | Head | Sailor | Italy |
| 97 | Mary Romualdo | 38 | Wife | — | Italy |
| 98 | Aldo Romualdo | 4 | Son | — | California |
| 99 | — | None | — | — | — |
| 100 | — | 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)