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John Stephens — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Stephens across the 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 0
b. ~1930
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Stephens |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | North Dakota |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Agnes Stephens | Daughter | — | 3 | ~1927 |
| Mary Stephens | Daughter | — | 5 | ~1925 |
| Agnes Stephens | Daughter | — | 9 | ~1921 |
| Albert Stephens | Head | — | 40 | ~1890 |
| Daniel Frisch | Other | — | 36 | ~1894 |
| Agnes Stephens | Other | — | 51 | ~1879 |
| John Stephens | Son | — | ~1930 | |
| Albert Stephens | Son | — | 7 | ~1923 |
| James Stephens | Son | — | 4 | ~1926 |
| Agnes Stephens | Spouse | — | 31 | ~1899 |
Census Appearances
1930
San Francisco, …
Son, age
San Francisco, California · implied b. ~1930 — 10 household members
| Surname | Stephens |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | North Dakota |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 11
San-Francisco-County, California · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stefani |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Industry | 0 |
| Highest Grade | G 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 Stephens across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Stephens
Son · 1930 · age 0 · b. ~1930 · California
★ You are viewing this record
Sibling
James Stephens
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Stephens
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Stephens
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Stephens
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Stephens
Sibling · 1930 · age 7
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:californiacensus00reel205:0997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Stephens | 40 | Head | Clerk | Michigan |
| 2 | Agnes Stephens | 31 | Wife | — | North Dakota |
| 3 | Daniel Frisch | 36 | Boarder | — | Pennsylvania |
| 4 | Agnes Stephens | 9 | Daughter | — | California |
| 5 | Albert Stephens | 7 | Son | — | California |
| 6 | James Stephens | 4 | Son | — | California |
| 7 | John Stephens THIS PERSON | 0 | Son | — | California |
| 8 | Mary Stephens | 5 | Daughter | — | California |
| 9 | Agnes Stephens | 3 | Daughter | — | California |
| 10 | Agnes Stephens | 51 | Mother | — | Massachusetts |
| 11 | Fred G. Storke | 51 | Head | Waiter | Minnesota |
| 12 | Lulu Storke | 52 | Wife | Waitress | Minnesota |
| 13 | Wm. Mclean | 74 | Lodger | — | Scotland |
| 14 | Wm. W. Schlier | 46 | Lodger | Painter | Ohio |
| 15 | Lulu Schlier | 43 | Wife | — | Ohio |
| 16 | Emma Tait | 59 | Head | Manager | Canada |
| 17 | W. G. Tait | 42 | Son | Asst Manager | Michigan |
| 18 | Wm. Goodman | 73 | Lodger | — | Indiana |
| 19 | R. B. Anderson | 60 | Lodger | Salesman | Norway |
| 20 | Anderson | 25 | Lodger | — | Wisconsin |
| 21 | Anderson | 23 | Lodger | Clerk | North Dakota |
| 22 | Snyder | 47 | Head | — | Oregon |
| 23 | W. Rothgum | 35 | Lodger | Manager | California |
| 24 | L. Rothgum | 27 | Lodger | Forewoman | California |
| 25 | Rothgum | 3 | Lodger | — | California |
| 26 | W. T. Snyder | 50 | Lodger | R | Iowa |
| 27 | Anna Stadlmuller | 60 | Head | — | Germany |
| 28 | H. G. Stadlmuller | 37 | Daughter | — | Nevada |
| 29 | E. Stadlmuller | 32 | Daughter | Physician | California |
| 30 | Alice Patterson | 45 | Lodger | — | Arkansas |
| 31 | W. T. Patterson | 18 | Lodger | Helper | California |
| 32 | Mary Patterson | 15 | Lodger | — | California |
| 33 | John Patterson | 13 | Lodger | — | California |
| 34 | G. E. Mulo | 50 | Head | Manager | Atlantic Ocean |
| 35 | Fred Mulo | 53 | Husband | — | Illinois |
| 36 | Thomas Hughes | 30 | Lodger | — | Iowa |
| 37 | W. Notteton | 40 | Lodger | Hostler | Nevada |
| 38 | J. Martin | 23 | Lodger | Specialist | Iowa |
| 39 | B. Wansch | 41 | Lodger | Paper | United States |
| 40 | E. Wansch | 35 | Lodger | — | California |
| 41 | Hugh Nunte | 42 | Lodger | — | Wisconsin |
| 42 | Wintershorn | 30 | Lodger | Janitor | California |
| 43 | C. Neville | 30 | Lodger | Nurse | Georgia |
| 44 | J. M. Neville | 31 | Lodger | Clerk | Oregon |
| 45 | Neville | 26 | Lodger | Nurse | Oregon |
| 46 | Margaret Ness | 45 | Lodger | — | Michigan |
| 47 | W. Campbell | 33 | Lodger | — | United States |
| 48 | W. Campbell | 32 | Lodger | — | Georgia |
| 49 | M. Smith | 24 | Lodger | Boatman | New York |
| 50 | Mary Smedley | 52 | Lodger | Clerk | Colorado |
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)