GJ
George Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this George Johnson across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Alden & Harry — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Johnson |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Additional Details | |
| Occupation | Asst. Supt. |
| Industry | Refining |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | C 4 |
| 1935 Residence | Some place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Asst. Supt. |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1913 |
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 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Tekla Johnson | Head | — | 47 | ~1893 |
| Emil Ericson | Other | — | 64 | ~1876 |
| George Johnson | Son | — | 27 | ~1913 |
| Arnold Johnson | Son | — | 25 | ~1915 |
Census Appearances
1920
San Francisco, …
Son, age 6
San Francisco, California · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | George F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 16
San Francisco, California · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| 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 27
San-Francisco-County, California · implied b. ~1913 — 4 household members
| Surname | Johnson |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Occupation | Asst. Supt. |
| Industry | Refining |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | C 4 |
| 1935 Residence | Some 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 George Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alden Johnson (~0.92 confidence) and father Harry Johnson (~0.92 confidence) and mother Tekla Johnson (~0.92 confidence) and mother Adela Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alden Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Harry Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Tekla Johnson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Adela Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Johnson
Son · 1940 · age 27 · b. ~1913 · California
★ You are viewing this record
Sibling
Arnold Johnson
Sibling · 1940 · age 25
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-t0627-00320-00465)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leslie S. Murphy | 21 | head | Clerk | California |
| 2 | Phyllis Murphy | 25 | wife | Regis. Nurse | California |
| 3 | Benjamin Berkowitz | 26 | head | Clerk | Canada |
| 4 | Lillian Berkowitz | 26 | wife | Stock Clerk | New Jersey |
| 5 | Sara S. Skoll | 54 | head | — | Colorado |
| 6 | Carl Skoll | 33 | son | Collector | California |
| 7 | Theodore Skoll | 31 | son | Clerk | California |
| 8 | Irving Skoll | 28 | son | Truck Driver | Oregon |
| 9 | Marion Skoll | 32 | daughter-in-law | — | Alabama |
| 10 | Ronald Skoll | 6 | grandson | — | California |
| 11 | Nell Boardman | 40 | head | Stenographer | Illinois |
| 12 | Ella S. Boardman | 72 | mother | — | Wisconsin |
| 14 | Leo Levy | 39 | head | Manager | New York |
| 15 | Alice S. Levy | 55 | wife | — | California |
| 16 | Harold Levy | 29 | son | Attorney | California |
| 17 | Bertha S. Luddecke | 64 | head | — | Germany |
| 18 | Harry Hensent | 35 | head | Painter | Colorado |
| 19 | Margaret S. Hensent | 33 | wife | — | England |
| 20 | Shirley Hensent | 8 | daughter | — | California |
| 21 | Sara Hensent | 68 | mother | — | Utah |
| 22 | Charles S. Ludwig | 27 | head | Farrier | Canada |
| 23 | Ralph La Point | 40 | head | Motorman | Alabama |
| 24 | Hildegarde La Point | 41 | wife | — | Washington |
| 25 | Kenneth La Point | 24 | son | — | Washington |
| 26 | Tekla S. Johnson | 47 | head | Janitress | Sweden |
| 27 | George Johnson THIS PERSON | 27 | son | Asst. Supt. | California |
| 28 | Arnold Johnson | 25 | son | Chemical Engineer | California |
| 29 | Emil Ericson | 64 | brother | Carpenter | Sweden |
| 30 | Lidsey S. Snell | 76 | head | — | England |
| 31 | Florence Snell | 60 | wife | — | California |
| 32 | Donald Snell | 21 | son | Apprentice | California |
| 33 | Kenneth Gallagher | 36 | head | Operator | Iowa |
| 34 | Blanche S. Gallagher | 35 | wife | — | Utah |
| 35 | Gerald Gallagher | 10 | son | — | Utah |
| 36 | Joseph Croak | 30 | head | Bell-Hop | Connecticut |
| 37 | Doris S. Croak | 30 | wife | — | North Dakota |
| 38 | Robert Croak | 6 | son | — | California |
| 39 | Raymond Kehl | 59 | head | Proprietor | Kansas |
| 40 | Lelia S. Kehl | 57 | wife | — | Missouri |
Pedigree Summary
George + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)