RH
Ralph Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Ralph Hall across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Hall |
| Given Name | Ralph A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Garage Station Attendant |
| Industry | Gasoline & Oil Service |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Garage Station Attendant |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Mary Hall | Spouse | — | 50 | ~1890 |
| Edward Hall | Head | — | 52 | ~1888 |
| Jewell Hall | Daughter | — | 14 | ~1926 |
| Stanley Hall | Son | — | 20 | ~1920 |
| Edwin Hall | Son | — | 24 | ~1916 |
| Ralph Hall | Son | — | 21 | ~1919 |
| Mary Hall | Daughter | — | 13 | ~1927 |
Census Appearances
1930
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hallasch |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 21
San-Francisco-County, California · implied b. ~1919 — 7 household members
| Surname | Hall |
| Given Name | Ralph A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Garage Station Attendant |
| Industry | Gasoline & Oil Service |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 720 |
| 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 Ralph Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Hall
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Stanley Hall
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewell Hall
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Hall
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hall
Sibling · 1940 · age 13
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
40 people indexed on this census page (nara:1940:m-t0627-00310-00074)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Danielle Nelson | 8 | Son | — | California |
| 2 | Eric H. Gustafson | 51 | Head | Mechanic Helper | Finland |
| 3 | Marie E. Gustafson | 46 | Wife | — | California |
| 4 | Ruth M. Gustafson | 20 | Daughter | — | California |
| 5 | Leo E. Gustafson | 19 | Son | Apprentice | California |
| 6 | Betty S. Gustafson | 17 | Daughter | — | California |
| 7 | Doris D. Gustafson | 16 | Daughter | — | California |
| 8 | Joseph A. Hinger | 49 | Head | Proprietor Club | California |
| 9 | Minnie Mae Hinger | 40 | Wife | — | England |
| 10 | Elias S. Olsen | 62 | Head | — | Sweden |
| 11 | Myrtle E. Olsen | 32 | Daughter | Book-Keeper | California |
| 12 | Raymond R. Olsen | 24 | Son | Medical Student | California |
| 13 | James O'Sullivan | 40 | Head | Meter Repair | Irish Free State |
| 14 | Margaret O'Sullivan | 32 | Wife | — | Irish Free State |
| 15 | Katherine O'Sullivan | 10 | Daughter | — | California |
| 16 | Margaret O'Sullivan | 8 | Daughter | — | California |
| 17 | Maureen O'Sullivan | 3 | Daughter | — | California |
| 18 | Michael Crowley | 34 | Boarder | Special Police | California |
| 19 | Ole E. X. Bedin | 70 | Head | Carpenter | Norway |
| 20 | Annie C. Bedin | 64 | Wife | — | California |
| 21 | Emmett Hall | 52 | Head | Salesman | California |
| 22 | Henry S. Hall | 50 | Brother | Machinist | Washington |
| 23 | Mollie S. Mccroaky | 55 | Housekeeper | Housekeeper | California |
| 24 | Theodore Kerk | 47 | Head | Cook | Netherlands |
| 25 | Norma M. Kerk | 15 | Daughter | — | California |
| 26 | Arthur M. Berling | 36 | Head | Baker | Sweden |
| 27 | Iris R. Berling | 34 | Wife | — | Sweden |
| 28 | Winton R. Berling | 9 | Son | — | California |
| 29 | Albert A. Brawley | 45 | Head | Watchman | Scotland |
| 30 | Christine S. Brawley | 42 | Wife | — | Scotland |
| 31 | Albert Jr. Brawley | 17 | Son | — | California |
| 32 | Alan Brawley | 13 | Son | — | California |
| 33 | Edward Hall | 52 | Head | Fireman | California |
| 34 | Mary F. Hall | 50 | Wife | — | California |
| 35 | Edwin M. Hall | 24 | Son | Laborer | California |
| 36 | Ralph A. Hall THIS PERSON | 21 | Son | Garage Station Attendant | California |
| 37 | Stanley H. Hall | 20 | Son | New Worker | California |
| 38 | Jewell Hall | 14 | Daughter | — | California |
| 39 | Mary Hall | 13 | Daughter | — | California |
| 40 | Walter L. Hallock | 44 | Head | Carpenter | 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)