DW
Dorothy Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Santa-Clara-County, California
Our Model Tree links this Dorothy Williams across the 1920, 1930 and 1940 US Censuses in Santa-Clara-County, California (XGBoost, ~Confirmed), with identified parents May & Mae — first a daughter (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Santa-Clara-County, California |
| Surname | Williams |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Jose City |
| 1935 Residence (County) | Santa Clara |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Drug Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Bookkeeper |
| Township / Ward | San Jose City |
| Est. Birth Year | ~1912 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Williams | Daughter | — | 28 | ~1912 |
| Gertrude Williams | Daughter | — | 19 | ~1921 |
| Rollie Williams | Head | — | 54 | ~1886 |
| May Williams | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Santa Clara, …
Daughter, age 8
Santa Clara, California · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Santa Clara, …
Daughter, age 18
Santa Clara, California · implied b. ~1912 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Dorothy F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Stenographer |
| Industry | Doctors office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Santa-Clara-County, California
Daughter, age 28
Santa-Clara-County, California · implied b. ~1912 — 4 household members
| Surname | Williams |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Jose City |
| 1935 Residence (County) | Santa Clara |
| Occupation | Bookkeeper |
| Industry | Drug Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| 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 Dorothy Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother May Williams (~0.92 confidence) and mother Mae Williams (~0.92 confidence) and father Rollie Williams (~0.92 confidence) and father Rollie Williams (~0.92 confidence) and father Arthur Caldwell (~0.60 confidence) and mother Lois Caldwell (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Mother
May Williams
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mae Williams
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Rollie Williams
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Rollie Williams
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Arthur Caldwell
b. ~1905
Source father
● Household
· direct · ~0.6
Mother
Lois Caldwell
b. ~1906
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Dorothy Williams
Daughter · 1940 · age 28 · b. ~1912 · California
★ You are viewing this record
Sibling
Gertrude Williams
Sibling · 1940 · age 19
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 — Santa-Clara-County, California
Open full size
1940 US Federal Census — Santa-Clara-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00337-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John O Snyder | 70 | Head | Bookkeeper | Maryland |
| 42 | Lilla W Snyder | 62 | Wife | — | Ohio |
| 43 | Dan Tisdale | 38 | Head | Buyer | California |
| 44 | Marie Tisdale | 35 | Wife | — | California |
| 45 | Betsy Tisdale | 8 | Daughter | — | California |
| 46 | Lois Tisdale | 7 | Daughter | — | California |
| 47 | Frank Santana | 45 | Head | Salesman | California |
| 48 | Isabel H Santana | 42 | Wife | — | Nebraska |
| 49 | Violet Santana | 22 | Daughter | Stenographer | California |
| 50 | Jane Santana | 19 | Daughter | Saleslady | California |
| 51 | Gloria Santana | 17 | Daughter | — | California |
| 52 | George A Korcher | 42 | Head | Contractor | California |
| 53 | Janet S Korcher | 39 | Wife | — | Utah |
| 54 | Charles E Sims | 66 | Head | — | Illinois |
| 55 | Martha E Sims | 64 | Wife | — | Missouri |
| 56 | William E Schotten | 39 | Head | Salesman | California |
| 57 | Louise Schotten | 34 | Wife | — | California |
| 58 | Dorothy L Schotten | 12 | Daughter | — | California |
| 59 | William C Schotten | 6 | Son | — | California |
| 60 | E. O. Schotten | 69 | Father | — | California |
| 61 | Frank Baldwin | 78 | Head | — | Iowa |
| 62 | Irene Baldwin | 70 | Wife | — | California |
| 63 | Carl Nelson | 38 | Head | Postal Clerk | California |
| 64 | Ruth Nelson | 37 | Wife | — | California |
| 65 | Richard Nelson | 3 | Son | — | California |
| 66 | Pierce Phillips | 38 | Head | Salesman | California |
| 67 | Ruth Phillips | 37 | Wife | — | California |
| 68 | Rollie Williams | 54 | Head | Builder | California |
| 69 | May Williams | 56 | Wife | — | California |
| 70 | Dorothy Williams THIS PERSON | 28 | Daughter | Bookkeeper | California |
| 71 | Gertrude Williams | 19 | Daughter | — | California |
| 72 | Victor Plummer | 42 | Head | Plasterer | California |
| 73 | Edna Plummer | 35 | Wife | — | Utah |
| 74 | Albert Plummer | 15 | Son | — | California |
| 75 | Louis W Bastian | 52 | Head | Painter | California |
| 76 | Florence Bastian | 43 | Wife | — | Wisconsin |
| 77 | Vernon Bastian | 14 | Son | — | California |
| 78 | Annie G. Hard | 68 | Aunt | — | Wisconsin |
| 79 | Stella Whiteaker | 56 | Head | — | California |
| 80 | Albert Whiteaker | 25 | Son | Casing Maker | California |
Pedigree Summary
Dorothy + 1 sibling
Gen 1 · 6 parents
~0.81
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)