SD
Shirley Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Shirley Davis across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Abe & Abe — first a head (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Salesman |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1892 |
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 Shirley | Age | Birth yr |
|---|---|---|---|---|
| Shirley Davis | Head | — | 48 | ~1892 |
| Donald Davis | Son | — | 15 | ~1925 |
| Bertha Davis | Spouse | — | 42 | ~1898 |
| Albert Davis | Son | — | 19 | ~1921 |
Census Appearances
1910
San Francisco, …
Son, age 15
San Francisco, California · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sidney |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Russia |
| Mother's Birthplace | Germany |
| Occupation | Errand boy |
| Industry | Ret Dry Goods |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 25
San Francisco, California · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sidney |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Poland |
| Mother's Birthplace | Bohemia |
| Occupation | Salesman |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 33
San Francisco, California · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sidney |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Bohemia |
| Occupation | Salesman |
| Industry | Cleaning Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 48
San-Francisco-County, California · implied b. ~1892 — 4 household members
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3000 |
| Highest Grade | Hs 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 Shirley Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abe Davis (~0.92 confidence) and father Abe Davis (~0.92 confidence) and mother Annie Davis (~0.92 confidence) and mother Dora Kahn (~0.50 confidence) and mother Ginnie Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Abe Davis
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Abe Davis
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Annie Davis
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Dora Kahn
b. ~1896
Source mother
● Household
· direct · ~0.5
Mother
Ginnie Davis
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Shirley Davis
Head · 1940 · age 48 · b. ~1892 · California
★ You are viewing this record
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-t0627-00320-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Davis THIS PERSON | 48 | Head | Salesman | California |
| 2 | Bertha A. Davis | 42 | Wife | — | California |
| 3 | Albert C. Davis | 19 | Son | Clerk | California |
| 4 | Donald H. Davis | 15 | Son | — | California |
| 5 | Clara Newmann | 82 | Head | — | California |
| 6 | Herbert Hooper | 53 | Son-in-law | Proprietor | California |
| 7 | Ray C. Greenberg | 29 | Head | Salesman | California |
| 8 | Audrey L. Greenberg | 27 | Wife | — | California |
| 9 | Julia Rhea | 52 | Housekeeper | Housekeeper | New York |
| 10 | Joseph Kasper | 53 | Head | Agent | California |
| 11 | Benedine B. Kasper | 53 | Wife | — | California |
| 12 | Humbert A. Aetudo | Astudo | 61 | Head | Salesman | California |
| 13 | Bess H. Aetudo | Astudo | 41 | Wife | — | California |
| 14 | Marjorie A. Aetudo | Astudo | 19 | Daughter | — | California |
| 15 | Humbert A. Jr. Aetudo | Astudo | 11 | Son | — | California |
| 16 | Harold H. Backer | 36 | Head | Manager | California |
| 17 | Charlotte B. Backer | 35 | Wife | — | California |
| 18 | Sheldon R. Backer | 3 | Son | — | California |
| 19 | James R. Tanner | 28 | Head | Manager | Tennessee |
| 20 | Bertha M. Tanner | 30 | Wife | — | California |
| 21 | Barbara L. Tanner | 4 | Daughter | — | California |
| 22 | Lucy B. Stelle | 60 | Head | Lodging House Keeper | California |
| 23 | Paul A. Belser | 52 | Lodger | Supervisor W.P.A. | California |
| 24 | Eleanor G. Belser | 44 | Lodger | — | Canada |
| 25 | Pearl G. Wilkinson | 62 | Lodger | Housekeeper | Kansas |
| 26 | Ruth Estony | 25 | Lodger | Policy Writer | California |
| 27 | M. Emil Baily | 25 | Lodger | Salesman | Nebraska |
| 28 | Charles Clarke | 45 | Lodger | Warehouseman | Iowa |
| 29 | James K. Brenner | 32 | Lodger | Toll Collector | Illinois |
| 30 | W. Ernest Burnham | 73 | Lodger | Contractor | New Hampshire |
| 31 | L. Bond Parker | 40 | Head | Supervisor | South Dakota |
| 32 | Fay S. Parker | 37 | Wife | — | Michigan |
| 33 | L. Gail Parker | 8 | Son | — | California |
| 34 | Bernard Doirichaye | Doirichage | 50 | Head | Proprietor | France |
| 35 | Alice Doirichaye | Doirichage | 45 | Wife | Presser | California |
| 36 | Roger R. Doirichaye | Doirichage | 17 | Son | Proprietor | California |
| 37 | Thomas P. Clarke | 56 | Head | Proprietor | Canadian English |
| 38 | Laura F. Clarke | 53 | Wife | — | California |
| 39 | Elizabeth A. Clarke | 29 | Daughter | Teacher | California |
| 40 | Genevieve M. White | 30 | Head | Teacher | California |
Pedigree Summary
Shirley
Gen 1 · 5 parents
~0.84
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)