LC
Lucy Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Lucy Clark across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 7-person household.
Age 37
b. ~1903
Female
Head
Born: Alabama
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Clark |
| Given Name | Lucy |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Gary |
| Est. Birth Year | ~1903 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucy | Age | Birth yr |
|---|---|---|---|---|
| Walter Ratney | Other | — | 15 | ~1925 |
| Royal Clark | Son | — | 9 | ~1931 |
| Charley Clark | Son | — | 12 | ~1928 |
| Dorothy Clark | Daughter | — | 11 | ~1929 |
| Lucy Clark | Head | — | 37 | ~1903 |
| George Clark | Son | — | 14 | ~1926 |
| Mary Clark | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Lake, Indiana
Spouse, age 29
Lake, Indiana · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 17 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lake-County, Indiana
Head, age 37
Lake-County, Indiana · implied b. ~1903 — 7 household members
| Surname | Clark |
| Given Name | Lucy |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Lucy Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Clark
Head · 1940 · age 37 · b. ~1903 · Indiana
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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-t0627-01121-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eric Rayburn | 45 | Head | Opener | Mississippi |
| 42 | Marie Rayburn | 42 | Wife | — | Alabama |
| 43 | Thomas Linger | 54 | Head | Laborer | Austria |
| 44 | Julia Linger | 48 | Wife | — | Austria |
| 45 | Anna Linger | 20 | Daughter | Cashier | Indiana |
| 46 | Thomas Jr. Linger | 17 | Son | Apprentice | Indiana |
| 47 | William Linger | 23 | Son | Tractor Operator | Illinois |
| 48 | Bertha Linger | 20 | Daughter-in-law | — | Illinois |
| 49 | Lucy Clark THIS PERSON | 37 | Head | — | Alabama |
| 50 | George W. Clark | 14 | Son | — | Indiana |
| 51 | Mary E. Clark | 13 | Daughter | — | Indiana |
| 52 | Charley Clark | 12 | Son | — | Indiana |
| 53 | Dorothy Clark | 11 | Daughter | — | Indiana |
| 54 | Royal Clark | 9 | Son | — | Indiana |
| 55 | Walter Ratney | 15 | Brother | — | Michigan |
| 56 | Duncan Suttler | 53 | Head | Chipper | Alabama |
| 57 | Carrie Suttler | 36 | Wife | Domestic | Georgia |
| 58 | Harrison Suttler | 15 | Son | — | Georgia |
| 59 | Marie Suttler | 14 | Daughter | — | Ohio |
| 60 | Catherine Taylor | 45 | Head | — | Illinois |
| 61 | Gaynelle Kyle | 25 | Daughter | — | Illinois |
| 62 | Daniel Taylor | 23 | Son | New Worker | Minnesota |
| 63 | Melz Scott | 20 | Daughter | — | Minnesota |
| 64 | John Taylor | 18 | Son | Laborer | Indiana |
| 65 | James Taylor | 16 | Son | — | Indiana |
| 66 | Calvin Taylor | 12 | Son | — | Indiana |
| 67 | Alonzo Taylor | 10 | Son | — | Indiana |
| 68 | Samuel Taylor | 9 | Son | — | Indiana |
| 69 | Barbara Taylor | 7 | Daughter | — | Indiana |
| 70 | Kenneth Kyle | 3 | Grandson | — | Indiana |
| 71 | Frank Poplar | 67 | Head | Laborer | Mississippi |
| 72 | Janie Poplar | 64 | Wife | — | Arkansas |
| 73 | Opal Courtney | 27 | Head | Craneman | Kentucky |
| 74 | Shellie Courtney | 25 | Wife | — | Mississippi |
| 75 | Alice Courtney | 6 | Daughter | — | Indiana |
| 76 | Cornelius Courtney | 4 | Son | — | Indiana |
| 77 | Opal Courtney | 3 | Son | — | Indiana |
| 78 | Vera Courtney | 1 | Daughter | — | Indiana |
| 79 | Vera Courtney | 46 | Mother | Domestic | Kentucky |
| 80 | Ella Thompson | 76 | Grandmother | — | Kentucky |
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)