LC
Lois Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ashtabula-County, Ohio
Our Model Tree links this Lois Clark across the 1930 and 1940 US Censuses in Ashtabula-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 9-person household.
Age 41
b. ~1899
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ashtabula-County, Ohio |
| Surname | Clark |
| Given Name | Lois |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Sheffield township |
| 1935 Residence (County) | Ashtabula |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Sheffield Township |
| Est. Birth Year | ~1899 |
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 Lois | Age | Birth yr |
|---|---|---|---|---|
| Freddie Clark | Son | — | 20 | ~1920 |
| Bonnie Clark | Daughter | — | 9 | ~1931 |
| Clayton Clark | Son | — | 17 | ~1923 |
| Lois Clark | Spouse | — | 41 | ~1899 |
| Althea Clark | Daughter | — | 11 | ~1929 |
| Fred Clark | Head | — | 42 | ~1898 |
| Herbert Clark | Son | — | 22 | ~1918 |
| Fred Bancroft | Other | — | 78 | ~1862 |
| Alfred Clark | Son | — | 14 | ~1926 |
Census Appearances
1930
Ashtabula, Ohio
Spouse, age 31
Ashtabula, Ohio · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Lois L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ashtabula-County, Ohio
Spouse, age 41
Ashtabula-County, Ohio · implied b. ~1899 — 9 household members
| Surname | Clark |
| Given Name | Lois |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Sheffield township |
| 1935 Residence (County) | Ashtabula |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Lois Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Clark
Spouse · 1940 · age 41 · b. ~1899 · Ohio
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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 — Ashtabula-County, Ohio
Open full size
1940 US Federal Census — Ashtabula-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03024-00920)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hazel Hoover | 15 | Daughter | — | Ohio |
| 42 | Helen Hoover | 13 | Daughter | — | Ohio |
| 43 | Marian Hoover | 3 | Daughter | — | Ohio |
| 44 | Frank Smith | 62 | Head | Carpenter | Ohio |
| 45 | Mary Hodgkinson | 58 | Housekeeper | Nurse | Ohio |
| 46 | Isadore Ruter | 40 | Head | Farmer | Ohio |
| 47 | Mary Louise Ruter | 31 | Wife | — | Ohio |
| 48 | Jack Ruter | 6 | Son | — | Ohio |
| 49 | Mary Margaret Ruter | 4 | Daughter | — | Ohio |
| 50 | James Ruter | 3 | Son | — | Ohio |
| 51 | Joe Ruter | 1 | Son | — | Ohio |
| 52 | Alfred Jordan | 50 | Head | Machine Operator | Ohio |
| 53 | May Bell Jordan | 42 | Wife | — | Indiana |
| 54 | Robert Jordan | 18 | Son | Sailor | Ohio |
| 55 | Lloyd Jordan | 16 | Son | — | Ohio |
| 56 | Lina Jordan | 12 | Daughter | — | Ohio |
| 57 | Marjorie Jordan | 11 | Daughter | — | Ohio |
| 58 | Fred Clark | 42 | Head | Store Operator | Ohio |
| 59 | Lois Clark THIS PERSON | 41 | Wife | — | Ohio |
| 60 | Herbert Clark | 22 | Son | Labourer | Ohio |
| 61 | Freddie Clark | 20 | Son | Labourer | Ohio |
| 62 | Clayton Clark | 17 | Son | — | Ohio |
| 63 | Alfred Clark | 14 | Son | — | Ohio |
| 64 | Althea Clark | 11 | Daughter | — | Ohio |
| 65 | Bonnie Clark | 9 | Daughter | — | Ohio |
| 66 | Fred Bancroft | 78 | Father-in-law | — | Pennsylvania |
| 67 | John Osborne | 46 | Head | Labourer | Ohio |
| 68 | Rose Osborne | 50 | Wife | — | Ohio |
| 69 | Joe Sinnak | 33 | Head | Farmer | Ohio |
| 70 | Mary Sinnak | 30 | Wife | — | Czechoslovakia |
| 71 | Joe Jr. Sinnak | 9 | Son | — | Ohio |
| 72 | Ruth Sinnak | 3 | Daughter | — | Ohio |
| 73 | Albert Schmelzer | 22 | Head | Farmer | Ohio |
| 74 | Doris Schmelzer | 22 | Wife | — | Ohio |
| 75 | Betty Schmelzer | 2 | Daughter | — | Ohio |
| 76 | George Garkmislager | 65 | Head | Farmer | Ohio |
| 77 | Elmina Garkmislager | 65 | Wife | — | Ohio |
| 78 | Mary Garkmislager | 32 | Daughter | Housework | Ohio |
| 79 | Gustav Schmelzer | 54 | Head | Machinist | Poland |
| 80 | Matilda Schmelzer | 56 | Wife | — | Poland |
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)