EC
Eva Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Eva Clark across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents John & Lulu — first a spouse (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Female
Spouse
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1901 |
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 Eva | Age | Birth yr |
|---|---|---|---|---|
| Betty Clark | Daughter | — | 19 | ~1921 |
| Eva Clark | Spouse | — | 39 | ~1901 |
| Daniel Clark | Head | — | 42 | ~1898 |
Census Appearances
1920
Los Angeles, …
Daughter, age 19
Los Angeles, California · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Los Angeles, …
Spouse, age 29
Los Angeles, California · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Eva L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 18 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Los-Angeles-County, California
Spouse, age 39
Los-Angeles-County, California · implied b. ~1901 — 3 household members
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Eva Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hermes (~0.92 confidence) and mother Lulu Hermes (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hermes
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lulu Hermes
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eva Clark
Spouse · 1940 · age 39 · b. ~1901 · 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
38 people indexed on this census page (nara:1940:m-t0627-00410-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Barnett | 22 | Son | Tailor Partner | Illinois |
| 42 | Ida Barnett | 22 | Daughter | Operator | Illinois |
| 43 | Frank O'Connor | 29 | Head | Prop Maker | California |
| 44 | June O'Connor | 28 | Wife | — | Illinois |
| 45 | Laurence O'Connor | 5 | Son | — | California |
| 46 | Pat O'Connor | 4 | Son | — | California |
| 47 | Jack Laughlin | 44 | Lodger | Actor | Missouri |
| 48 | Edna Kelly | 42 | Head | Stenographer | Illinois |
| 49 | Margaret Kelly | 70 | Mother | — | Illinois |
| 50 | Aileen Steward | 40 | Sister | Clerk | Illinois |
| 51 | Jack Steward | 14 | Nephew | — | California |
| 52 | Daniel Clark | 42 | Head | Owner | New York |
| 53 | Eva Clark THIS PERSON | 39 | Wife | — | Oregon |
| 54 | Betty Clark | 19 | Daughter | Beautician | California |
| 56 | Joseph Billiet | 75 | Head | Salesman | Louisiana |
| 57 | Haydee Billiet | 73 | Wife | — | Louisiana |
| 58 | Clay Billey | 22 | Son | Broker | Louisiana |
| 59 | Alexander Ginsberg | 36 | Head | Purchasing Agt | Arizona |
| 60 | Bertha Ginsberg | 32 | Wife | — | Oregon |
| 61 | Miriam Ginsberg | 3 | Daughter | — | California |
| 62 | Frank Greve | 46 | Head | — | California |
| 63 | Margarita Greve | 37 | Wife | — | California |
| 64 | Jessie Brockway | 63 | Aunt | — | California |
| 65 | Effie Silverthorn | 38 | Head | Librarian | S. Dakota |
| 66 | Hannah Anderson | 66 | Mother | — | Finland |
| 67 | Maria Najara | 26 | Head | — | Mexico |
| 68 | Maria Najara | 1 | Daughter | — | California |
| 69 | Louisa Solano | 46 | Mother | — | Mexico |
| 70 | Lupe Camarillo | 21 | Maid | Maid | Mexico |
| 72 | Archibald Rutherford | 51 | Head | Clerk | Arkansas |
| 73 | Nina Rutherford | 50 | Wife | — | Missouri |
| 74 | Michael Calmy | 60 | Head | Owner | Roumania |
| 75 | Eugenia Calmy | 55 | Wife | — | Roumania |
| 76 | Marjorie Calmy | 30 | Daughter | Clerk | California |
| 77 | Ralph Calmy | 28 | Son | Helper | California |
| 78 | Charles E. Carroll | 63 | Head | Dentist | Pennsylvania |
| 79 | Ralph Carroll | 21 | Son | Mechanic | Pennsylvania |
| 80 | Lane Carroll | 21 | Daughter | Secretary | New York |
Pedigree Summary
Eva
Gen 1 · 2 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)