RB
Robert Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Robert Baker across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Baker |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | New Worker |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| George Baker | Head | — | 60 | ~1880 |
| Robert Baker | Son | — | 22 | ~1918 |
| William Baker | Son | — | 27 | ~1913 |
| Grace Baker | Spouse | — | 50 | ~1890 |
Census Appearances
1920
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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 12
San Francisco, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 22
San-Francisco-County, California · implied b. ~1918 — 4 household members
| Surname | Baker |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | New Worker |
| 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 Robert Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Baker (~0.92 confidence) and father George Baker (~0.92 confidence) and father George Baker (~0.92 confidence) and mother Maude Baker (~0.92 confidence) and mother Grace Baker (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Baker
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Baker
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Baker
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maude Baker
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Grace Baker
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Baker
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
William Baker
Sibling · 1940 · age 27
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-t0627-00308-00731)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes Quinn | 66 | Head | — | California |
| 2 | Thomas O'Connell | 40 | Head | Officer | California |
| 3 | Mary O'Connell | 31 | Wife | — | Eire |
| 4 | Alois Heinrichs | 55 | Head | — | Germany |
| 5 | Raymond Heinrichs | 27 | Son | Druggist | California |
| 6 | Rosalind Debron | 63 | Boomer | — | Utah |
| 7 | Albert Nelson | 27 | Boomer | Clerk | California |
| 8 | Frank Kelly | 57 | Boomer | — | California |
| 9 | George Baker | 60 | Head | Collector | California |
| 10 | Grace Baker | 50 | Wife | — | California |
| 11 | William Baker | 27 | Son | Typist | California |
| 12 | Robert Baker THIS PERSON | 22 | Son | New Worker | California |
| 13 | Bertha Skinner | 52 | Head | Demonstrating | Pennsylvania |
| 14 | Rowena Skinner | 18 | Daughter | New Worker | California |
| 15 | Lutton Parks | 36 | Head | Salesman | California |
| 16 | Lenore Parks | 27 | Wife | Typist | Nebraska |
| 17 | Edward Parks | 15 | Son | — | California |
| 18 | Eugene Marty | 25 | Head | Proprietor | California |
| 19 | Pauline Marty | 26 | Wife | — | California |
| 20 | Eugene Jr. Marty | 13 | Son | — | California |
| 21 | Marie Musha | 62 | Mother-in-law | — | France |
| 22 | Lawrence Hogland | 54 | Head | Stevedore | Sweden |
| 23 | Claire Hogland | 58 | Wife | — | New York |
| 24 | John Shaw | 31 | Boomer | Bookkeeper | Arizona |
| 25 | Catherine Williams | 24 | Boomer | Bookkeeper | California |
| 26 | Donald Sims | 55 | Boomer | Vendor | Indiana |
| 27 | William Sims | 55 | Boomer | Mechanic | California |
| 28 | Charles Smith | 65 | Boomer | — | New Hampshire |
| 29 | James Doom | 52 | Head | Soldier | Tennessee |
| 30 | Agnes Doom | 84 | Wife | — | Eire |
| 31 | E. D. Kennedy | 83 | Boomer | Soldier | So. Carolina |
| 32 | Alphonse Liberti | 56 | Head | Tailor | Italy |
| 33 | Pasqualina Liberti | 52 | Wife | — | Italy |
| 34 | Martin Nelson | 58 | Head | Driver | Denmark |
| 35 | Gladys Nelson | 52 | Wife | — | Norway |
| 36 | Phillip Nelson | 16 | Son | — | California |
| 37 | Olaf M. Birtoi | 39 | Lodger | Baker | S. Dakota |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | Lucie Evans | 71 | Head | — | California |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)