EC
Evelyn Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Evelyn Clark across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed), with identified parents Olin & Ra — first a daughter (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Clark |
| Given Name | Evelyn B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 711 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bookkeeper |
| Township / Ward | South Bend |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Lena Clark | Head | — | 54 | ~1886 |
| Evelyn Clark | Daughter | — | 28 | ~1912 |
Census Appearances
1920
St Joseph, …
Daughter, age 8
St Joseph, Indiana · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Daughter, age 18
St Joseph, Indiana · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Evelin |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Daughter, age 28
St.-Joseph-County, Indiana · implied b. ~1912 — 2 household members
| Surname | Clark |
| Given Name | Evelyn B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Occupation | Bookkeeper |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 711 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Evelyn Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Olin Clark (~0.92 confidence) and father Ra Clark (~0.92 confidence) and mother Lena Clark (~0.92 confidence) and mother Lina Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Olin Clark
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Ra Clark
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lena Clark
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Lina Clark
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Clark
Daughter · 1940 · age 28 · b. ~1912 · Indiana
★ 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 — St.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01133-00871)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary G. Koupa | 57 | Head | — | Hungary |
| 2 | John J. Koupa | 28 | Son | Meter Installer | Indiana |
| 3 | Louis J. Koupa | 24 | Son | Assembler | Indiana |
| 4 | Pat Patterson | 40 | Lodger | Welder | Alabama |
| 5 | Morris Barkin | 30 | Head | — | Russia |
| 6 | Elizabeth Barkin | 28 | Wife | — | Russia |
| 7 | Lawrence Miller | 62 | Head | Trav. Salesman | Indiana |
| 8 | Augusta Miller | 50 | Wife | — | Maryland |
| 9 | Karl Jr. King | 25 | Head | C.P.A. | Indiana |
| 10 | Jeanne King | 20 | Wife | — | Indiana |
| 11 | Lena C. Clark | 54 | Head | — | Michigan |
| 12 | Evelyn B. Clark THIS PERSON | 28 | Daughter | Bookkeeper | Indiana |
| 13 | Daisy C. Hruska | 51 | Head | — | Illinois |
| 14 | Robert D. Krops | 23 | Head | Clerk | Ohio |
| 15 | Eileen Krops | 19 | Wife | — | England |
| 16 | Harvey Cohen | 62 | Head | Junk Handler | Poland |
| 17 | Libby Cohen | 63 | Wife | — | New York |
| 18 | Charles S. Hruska | 45 | Head | Draftsman | Indiana |
| 19 | Norma E. Hruska | 35 | Wife | — | Indiana |
| 20 | Joy A. Hruska | 12 | Son | — | Indiana |
| 21 | Joseph Braniff | 53 | Head | Stock Man | Indiana |
| 22 | Marie M. Braniff | 50 | Wife | — | Indiana |
| 23 | Willard J. Braniff | 19 | Son | Apprentice Machinist | Indiana |
| 24 | Helen M. Braniff | 16 | Daughter | — | Indiana |
| 25 | Gerald E. Braniff | 14 | Son | — | Indiana |
| 26 | John J. Braniff | 7 | Son | — | Indiana |
| 27 | Daniel W. Braniff | 53 | Brother | Laborer | Indiana |
| 28 | Emery H. Alberts | 39 | Head | Metal Finisher | Hungary |
| 29 | Clara T. Alberts | 34 | Wife | — | Hungary |
| 30 | Mary J. Alberts | 15 | Daughter | — | Indiana |
| 31 | Betty J. Alberts | 13 | Daughter | — | Indiana |
| 32 | Ignatius S. Werwinski | 53 | Head | Agent | Indiana |
| 33 | Joseph A. Werwinski | 58 | Brother | — | Indiana |
| 34 | Stanley A. Werwinski | 45 | Brother | — | Indiana |
| 35 | Sadie Werwinski | 38 | Sister | Clerk | Indiana |
| 36 | Andrew Kiszka | 68 | Head | Watchman | Poland |
| 37 | Annie Kiszka | 65 | Wife | — | Poland |
| 38 | Eleanor Kiszka | 44 | Daughter | Inspector | Indiana |
| 39 | Louis Kiszka | 38 | Son | Assembler | Indiana |
Pedigree Summary
Evelyn
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)