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Lois Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lucas-County, Ohio

Our Model Tree links this Lois Clark across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.

Age 15 b. ~1925 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationLucas-County, Ohio
SurnameClark
Given NameLois
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Toledo
1935 Residence (County)Lucas
Additional Details
Class of Worker0
Hours Worked0
Highest GradeNo 8
1935 ResidenceOhio
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardSylvania Twp
Est. Birth Year~1925

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
Bessie Clark Daughter — 5 ~1935
Albert Clark Son — 14 ~1926
Ruth Clark Daughter — 11 ~1929
Luther Clark Son — 3 ~1937
Alice Clark Daughter — 9 ~1931
Dorothy Clark Spouse — 35 ~1905
Kenneth Clark Son — 6 ~1934
Kenneth Clark Head — 36 ~1904
Lois Clark Daughter — 15 ~1925

Census Appearances

1930
Lucas, Ohio
Daughter, age 5
Lucas, Ohio · implied b. ~1925 — 50 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Clark
Given Name Lois
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Lucas-County, Ohio
Daughter, age 15
Lucas-County, Ohio · implied b. ~1925 — 9 household members
Surname Clark
Given Name Lois
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace Ohio
1935 Residence (City) Toledo
1935 Residence (County) Lucas
Class of Worker 0
Hours Worked 0
Highest Grade No 8
1935 Residence Ohio
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.
Linked across censuses
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
Daughter · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Alice Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luther Clark
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Clark
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Clark
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Clark
Sibling · 1940 · age 14
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 — Lucas-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03106-00202)

Line Name Age Relation Occupation Birthplace
41 Donald Conrad 13 Head — Ohio
42 Louisa Volk 84 Head — Ohio
43 Louis Volk 54 Son Farmer Ohio
44 Alma Volk 39 Daughter — Ohio
45 John Damis 58 Head — Italy
46 Julia Damis 53 Wife — Italy
47 Virginia Damis 19 Daughter — Ohio
48 Catherine Damis 16 Daughter — Ohio
49 Evelyn Senth 19 Maid Maid Ohio
50 Edna Senth 16 Nephew — Ohio
51 Stephen Utz 35 Head Proprietor Ohio
52 Cecilia Utz 33 Wife Proprietor Ohio
53 Cecilia M Utz 10 Daughter — Texas
54 Lawrence Merritt 46 Head Greens Keeper Ohio
55 Elizabeth Merritt 50 Wife — Germany
56 Frank Dubrovsky 47 Head Farmer Czecho-Slovakia
57 Rose Dubrovsky 44 Wife Farm Hand Czecho-Slovakia
58 Peter Dubrovsky 20 Son Farm Hand Michigan
59 Susie Chrenka 70 Mother-in-law — Czecho-Slovakia
60 Chester Hanna 49 Head Farmer Ohio
61 Ewald Hanna 19 Nephew Farm Hand Ohio
62 Abbott Hibbs 40 Head Metal Finisher Indiana
63 Kenneth Clark 36 Head Cutter Ohio
64 Dorothy Clark 35 Wife — Ohio
65 Lois Clark THIS PERSON 15 Daughter — Ohio
66 Albert Clark 14 Son — Ohio
67 Ruth Clark 11 Daughter — Ohio
68 Alice Clark 9 Daughter — Ohio
69 Kenneth B Clark 6 Son — Ohio
70 Bessie Clark 5 Daughter — Ohio
71 Luther Clark 3 Son — Ohio
72 Robert D Lean 62 Head — Canada-French
73 Neal R Lean 55 Son Plumber Canada-French
74 Ethel Lean 53 Daughter-in-law — Missouri
75 Wm J Gruber 26 Head Truck Driver Ohio
76 Genevieve Gruber 21 Wife — W. Virginia
77 Nancy Gruber 1 Daughter — Ohio
78 Priscilla Gruber 0 Daughter — Ohio
79 Fred Mulendore 47 Head Carpenter Ohio
80 Erva Mulendore 39 Wife — Ohio

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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)

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