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William Herman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this William Herman across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Herman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Plumbers Helper |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Plumbers Helper |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Carrie Herman | Head | — | 40 | ~1900 |
| Robert Herman | Son | — | 17 | ~1923 |
| Evelyn Herman | Daughter | — | 15 | ~1925 |
| John Spence | Other | — | 39 | ~1901 |
| William Herman | Son | — | 20 | ~1920 |
| A Herman | Son | — | 22 | ~1918 |
Census Appearances
1930
San Francisco, …
Son, age 10
San Francisco, California · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hermans |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 20
San-Francisco-County, California · implied b. ~1920 — 6 household members
| Surname | Herman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Plumbers Helper |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 2 |
| 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 Herman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Herman
Son · 1940 · age 20 · b. ~1920 · California
★ You are viewing this record
Sibling
Evelyn Herman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Herman
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
A Herman
Sibling · 1940 · 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
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00312-00796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | C. Stanley Hanna | 28 | Son | Clerk | California |
| 42 | Lillian Menendez | 46 | Head | Saleslady | Minnesota |
| 43 | Charles Mannis | 29 | Head | Sewing Proj. W.P.A. | California |
| 44 | Alshild Mannis | 27 | Wife | Target | Michigan |
| 45 | Carrie Herman | 40 | Head | — | California |
| 46 | A. Warren Herman | 22 | Son | Shipping Clerk | California |
| 47 | William Herman THIS PERSON | 20 | Son | Plumbers Helper | California |
| 48 | Robert Herman | 17 | Son | Delivery | California |
| 49 | Evelyn Herman | 15 | Daughter | — | California |
| 50 | John Spence | 39 | Lodger | Plumber | Ireland |
| 51 | Richard Aldrin | 37 | Head | Electrical Machinist | Minnesota |
| 52 | Myrtle Aldrin | 36 | Wife | Control Clerk | California |
| 53 | S. Warren Telfer | 35 | Head | School Teacher | California |
| 54 | Helen Telfer | 36 | Wife | — | Illinois |
| 55 | Nancy Telfer | 10 | Daughter | — | California |
| 56 | E. Harry Burke | 27 | Head | Wholesale Salesman | North Dakota |
| 57 | Margaret Burke | 27 | Wife | — | Montana |
| 58 | H. William Burke | 5 | Son | — | Washington |
| 59 | L. Elizabeth Burke | 4 | Daughter | — | California |
| 60 | Marion Heroni | 24 | Head | Office Manager | California |
| 61 | Kathleen Heroni | 27 | Sister | Secretary | England |
| 62 | Edwin Hancock | 60 | Father In Law | Envoy Salvation Army | England |
| 63 | Mitsuo Ono | 19 | Housekeeper | Housework | Hawaii |
| 64 | Jens Christensen | 58 | Head | Master Pilot | Denmark |
| 65 | Caroline Christensen | 57 | Wife | — | Sweden |
| 66 | J. Alvin Christensen | 22 | Son | Apprentice | California |
| 67 | Harold Christensen | 21 | Son | Stenographer | California |
| 68 | James Cardoza | 42 | Head | Telegraph Operator | Massachusetts |
| 69 | Mercedes Cardoza | 40 | Wife | Telegraph Operator | Arizona |
| 70 | A. Carl Muhr | 42 | Head | Contractor Painter | Germany |
| 71 | Meta Muhr | 33 | Wife | — | Germany |
| 72 | Irving Gold | 30 | Head | Manager Jewelry | California |
| 73 | Ruth Gold | 25 | Wife | — | Mississippi |
| 74 | Robert Gold | 7 | Son | — | California |
| 75 | Fannie Cresca | 46 | Mother In Law | — | Canada |
| 76 | Leo Cresca | 18 | Brother In Law | Retail Salesman | New York |
| 77 | Evelyn Cresca | 48 | Daughter In Law | Office Clerk | New York |
| 78 | Jerome J. Cresca | 21 | Son In Law | — | New York |
| 79 | Adrian Derham | None | Head | Grocery Manager | Manila P.I. |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)