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William Linn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this William Linn across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Linn |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Clerk |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1920 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Linn | Spouse | — | 29 | ~1911 |
| William Linn | Son | — | 5 | ~1935 |
| William Linn | Head | — | 33 | ~1907 |
Census Appearances
1930
San Francisco, …
Son, age 23
San Francisco, California · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Linn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Clerk |
| Industry | Government |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 33
San-Francisco-County, California · implied b. ~1907 — 3 household members
| Surname | Linn |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Clerk |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1920 |
| 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 William Linn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Linn
Head · 1940 · age 33 · b. ~1907 · California
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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
40 people indexed on this census page (nara:1940:m-t0627-00310-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank B. Bolligan | 37 | Head | Officer | California |
| 2 | Anna Bolligan | 27 | Wife | — | Washington |
| 3 | Donald E. Bolligan | 4 | Son | — | California |
| 4 | Frank Bolligan | 0 | Son | — | California |
| 5 | William J. Linn THIS PERSON | 33 | Head | Clerk | California |
| 6 | Mary E. Linn | 29 | Wife | — | California |
| 7 | William J. Jr. Linn | 5 | Son | — | California |
| 8 | John H. Mckee | 38 | Head | Insurance Engineer | California |
| 9 | Mary Mckee | 33 | Wife | — | California |
| 10 | John H. Mckee | 2 | Son | — | California |
| 11 | Monroe H. Heck | 46 | Head | Executive Secretary | Pennsylvania |
| 12 | Elena S. Heck | 31 | Wife | — | Delaware |
| 13 | Monroe H. Jr. Heck | 13 | Son | — | Maryland |
| 14 | Matthew B. Hutton | 57 | Head | Salesman | Scotland |
| 15 | Katherine H. Hutton | 55 | Wife | — | Scotland |
| 16 | James M. Hutton | 21 | Son | Accountant | Rhode Island |
| 17 | Katherine B. Hutton | 17 | Daughter | — | Rhode Island |
| 18 | Hubert Byerly | 42 | Head | Salesman | Kansas |
| 19 | Alice S. Byerly | 42 | Wife | Owner | Minnesota |
| 20 | Ivy E. Wilson | 54 | Head | Owner | Spain |
| 21 | Harold E. Wilson | 29 | Son | Assistant Buyer | Canada-Eng |
| 22 | Samuel E. Hattenhorn | 35 | Head | Attendant | California |
| 23 | Anne E. Hattenhorn | 33 | Wife | Stenographer | Nevada |
| 24 | Harry W. Running | 19 | Cousin | Electric Welder | Nevada |
| 25 | John F. Light | 42 | Head | Waitress | North Dakota |
| 26 | Lina M. Light | 42 | Wife | — | North Dakota |
| 27 | Delores R. Light | 17 | Daughter | — | North Dakota |
| 28 | Charlotte Coleman | 75 | Lodger | — | Washington |
| 29 | Everett E. Morris | 38 | Head | Claims Adjuster | California |
| 30 | Gladys Morris | 37 | Wife | Saleslady | California |
| 31 | Ray S. Rossiter | 45 | Head | Broker | Illinois |
| 32 | Mary M. Rossiter | 43 | Wife | — | Indiana |
| 33 | John R. Rossiter | 18 | Son | Salesgirl | California |
| 34 | William S. Rossiter | 15 | Son | — | California |
| 35 | Anthony J. Souza | 43 | Head | Auto Mechanic | California |
| 36 | Catherine E. Souza | 43 | Wife | — | California |
| 37 | Raymond H. Arnotte | 32 | Head | Salesman | Georgia |
| 38 | Mary W. Arnotte | 31 | Daughter | — | Georgia |
| 39 | Marion A. Fulcher | 35 | Head | Clerk | Georgia |
| 40 | Albert J. Coulson | 27 | Head | Assistant Manager | California |
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)