DC
Dorothy Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Dorothy Clark across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents George & Isaac — first a daughter (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Clerk-Secretary |
| Industry | Office-Publicity |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk-Secretary |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Clark | Daughter | — | 40 | ~1900 |
| Myra Clark | Head | — | 74 | ~1866 |
| George Harbaugh | Other | — | 26 | ~1914 |
Census Appearances
1920
Los Angeles, …
Daughter, age 20
Los Angeles, California · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Steno-grapher |
| Industry | High School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Daughter, age 30
Los Angeles, California · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 40
Los-Angeles-County, California · implied b. ~1900 — 3 household members
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Clerk-Secretary |
| Industry | Office-Publicity |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| 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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Clark (~0.92 confidence) and father Isaac Clark (~0.92 confidence) and mother Mina Clark (~0.92 confidence) and mother Myra Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Clark
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Isaac Clark
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mina Clark
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Myra Clark
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Clark
Daughter · 1940 · age 40 · b. ~1900 · 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00402-00372)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellen Matthews | 73 | Wife | — | Minnesota |
| 2 | Marion Matthews | 35 | Daughter | — | Iowa |
| 3 | Esther H. Doan | 48 | Lodger | P.B.X. Operator | Missouri |
| 4 | Emma B. Fay | 70 | Head | — | Michigan |
| 5 | Maude V. Richy | 70 | Sister | — | Michigan |
| 6 | Chester F. Le Mon | 35 | Head | Bookkeeper | Arkansas |
| 7 | Bertha H. Le Mon | 34 | Wife | — | Missouri |
| 8 | Shirley Le Mon | 12 | Daughter | — | Missouri |
| 9 | Barbara Le Mon | 8 | Daughter | — | California |
| 10 | Roger Mc Patrick | 24 | Lodger | Office Work | Iowa |
| 11 | Charles J. Stockdale | 23 | Lodger | Order-Clerk | Iowa |
| 12 | Russell Saunders | None | Lodger | — | — |
| 13 | Roy Tabor | None | Lodger | — | — |
| 14 | Dempsey Powell | 35 | Head | Salesman | Oregon |
| 15 | Ruth Powell | 29 | Wife | Saleslady | Missouri |
| 16 | Robt. H. Reaves | 62 | Head | — | Illinois |
| 17 | Louise Reaves | 63 | Wife | — | Germany |
| 18 | James H. Reaves | 31 | Son | Credit Manager | Missouri |
| 19 | Ruby R. Reaves | 25 | Daughter | Saleslady | Missouri |
| 20 | James Kasizek | 52 | Head | Physician | Iowa |
| 21 | Bertha Kasizek | 56 | Wife | — | Pennsylvania |
| 22 | Pauline Lucas | 50 | Lodger | — | Georgia |
| 23 | Myra Clark | 74 | Head | — | Illinois |
| 24 | Dorothy Clark THIS PERSON | 40 | Daughter | Clerk-Secretary | California |
| 25 | George Harbaugh | 26 | Friend | Inspector | California |
| 26 | Louis A. Lavel|Lanel | 62 | Head | Janitor | California |
| 27 | Theresa Lavel|Lanel | 62 | Wife | — | California |
| 28 | Sydney B. Darley | 75 | Lodger | Owner | Canada English |
| 29 | Justine Levy | 63 | Lodger | Secretary | California |
| 30 | William A. Richards | 56 | Head | Superintendent | Ohio |
| 31 | Alvina Richards | 57 | Wife | — | Illinois |
| 32 | Rufus Anderson | 56 | Head | Bank Manager | Minnesota |
| 33 | Genevieve Anderson | 54 | Wife | Teacher | Wisconsin |
| 34 | Charles F. Anderson | 85 | Father | — | Maine |
| 35 | Marcella Caviar | 29 | Servant | Houseboy | — |
| 36 | Sidney C. Gardner | 78 | Head | — | Iowa |
| 37 | Lucille Gardner | 32 | Daughter | Secretary | Iowa |
| 38 | Eleanor Doty | 41 | Daughter | — | Iowa |
| 39 | Virginia Doty | 14 | Granddaughter | — | California |
| 40 | Mabel A. Lewis | 72 | Head | — | Massachusetts |
Pedigree Summary
Dorothy
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)