EC
Evelyn Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Evelyn Clark across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Clark |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East Gary Town |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Industry | H |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | East Gary Town |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Owen Clark | Son | — | 11 | ~1929 |
| Mary Clark | Daughter | — | 15 | ~1925 |
| Evelyn Clark | Daughter | — | 17 | ~1923 |
| William Clark | Head | — | 40 | ~1900 |
| Edith Clark | Spouse | — | 40 | ~1900 |
| Homer Clark | Son | — | 18 | ~1922 |
| Harold Clark | Son | — | 5 | ~1935 |
| William Clark | Son | — | 13 | ~1927 |
| Janet Clark | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Lake, Indiana
Daughter, age 7
Lake, Indiana · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Evelyn E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Indiana
Daughter, age 17
Lake-County, Indiana · implied b. ~1923 — 9 household members
| Surname | Clark |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East Gary Town |
| 1935 Residence (County) | Lake |
| Industry | H |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Evelyn Clark
Daughter · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
Harold Clark
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Clark
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Clark
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clark
Sibling · 1940 · age 13
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01064-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Wallace | 46 | Head | Mill Hand | Ireland |
| 42 | Delia Wallace | 45 | Wife | — | Ireland |
| 43 | Bernice Wallace | 17 | Daughter | — | Indiana |
| 44 | Leonard Wallace | 15 | Son | — | Indiana |
| 45 | Joseph Dreyerich | 39 | Head | Delivery Boy | Pennsylvania |
| 46 | Anna Dreyerich | 36 | Wife | Welder | Pennsylvania |
| 47 | Richard Dreyerich | 11 | Son | — | Indiana |
| 48 | Joanne Dreyerich | 8 | Daughter | — | Indiana |
| 49 | Marian Dreyerich | 6 | Daughter | — | Indiana |
| 50 | Lorraine Dreyerich | 3 | Daughter | — | Indiana |
| 51 | Walter C. Fickelhorn | 38 | Head | Proprietor | Indiana |
| 52 | Edith I. Fickelhorn | 35 | Wife | — | Indiana |
| 53 | Gertrude Fickelhorn | 10 | Daughter | — | Indiana |
| 54 | Walter H. Fickelhorn | 10 | Son | — | Indiana |
| 55 | Robert O. Fickelhorn | 3 | Son | — | Indiana |
| 56 | William L. Clark | 40 | Head | Barber | Illinois |
| 57 | Edith M. Clark | 40 | Wife | — | Illinois |
| 58 | Janet B. Clark | 20 | Daughter | New Worker | Illinois |
| 59 | Homer F. Clark | 18 | Son | Maintenance | Illinois |
| 60 | Evelyn Clark THIS PERSON | 17 | Daughter | — | Illinois |
| 61 | Mary K. Clark | 15 | Daughter | — | Illinois |
| 62 | William L. Clark | 13 | Son | — | Illinois |
| 63 | Owen L. Clark | 11 | Son | — | Indiana |
| 64 | Harold Clark | 5 | Son | — | Indiana |
| 65 | John W. Langer | 32 | Head | Mill-Wright | Michigan |
| 66 | Hulda M. Langer | 27 | Wife | — | Indiana |
| 67 | Ruth A. Langer | 6 | Daughter | — | Indiana |
| 68 | Hilda M. Langer | 2 | Daughter | — | Indiana |
| 69 | Robert K. Clausen | 34 | Head | Extra-Dyer | Indiana |
| 70 | Bertha V. Clausen | 33 | Wife | — | Maryland |
| 71 | Charlotte Clausen | 7 | Daughter | — | Indiana |
| 72 | Roberta Clausen | 5 | Daughter | — | Indiana |
| 73 | Charles Clausen | 3 | Son | — | Indiana |
| 74 | Ray M. Kirby | 40 | Head | Mixer Operator | Pennsylvania |
| 75 | Catherine Kirby | 39 | Wife | — | Kentucky |
| 76 | Owen H. Kirby | 16 | Son | — | Indiana |
| 77 | George M. Kirby | 14 | Son | — | Indiana |
| 78 | Doris P. Kirby | 13 | Daughter | — | Indiana |
| 79 | Hugh P. Kirby | 10 | Son | — | Indiana |
| 80 | Charles Hodge | 33 | Head | Roller | Indiana |
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)