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Mary Conrad — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Columbiana-County, Ohio

Our Model Tree links this Mary Conrad across the 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationColumbiana-County, Ohio
SurnameConrad
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Knox Township
1935 Residence (County)Columbiana
Additional Details
Highest Grade5
1935 ResidenceSame House
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardKnox Township
Est. Birth Year~1927

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.

8 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Glen Conrad Son — 24 ~1916
Florence Conrad Spouse — 51 ~1889
Robert Miller Other — 3 ~1937
Lester Conrad Son — 29 ~1911
Gregg Conrad Head — 52 ~1888
Clayton Conrad Son — 12 ~1928
Viola Conrad Daughter — 14 ~1926
Mary Conrad Daughter — 13 ~1927

Census Appearances

1930
Columbiana, Ohio
Daughter, age 3
Columbiana, Ohio · implied b. ~1927 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Conrad
Given Name Mary E
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Columbiana-County, Ohio
Daughter, age 13
Columbiana-County, Ohio · implied b. ~1927 — 8 household members
Surname Conrad
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace Ohio
1935 Residence (City) Knox Township
1935 Residence (County) Columbiana
Highest Grade 5
1935 Residence Same House
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 Mary Conrad across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conrad
Daughter · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Clayton Conrad
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Conrad
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Conrad
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Conrad
Sibling · 1940 · age 29
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 — Columbiana-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03043-00476)

Line Name Age Relation Occupation Birthplace
41 Andrew J. Bush 65 Head Carpenter Ohio
42 Minnie Bush 61 Wife — Ohio
43 Hardy Bush 27 Son Timber Cutter Ohio
44 Dwight Bush 16 Son — Ohio
45 Mike Planchock 60 Head Janitor Yugoslavia
46 Helen Planchock 59 Wife — Yugoslavia
47 Milton Stump 34 Head Laborer Ohio
48 Vernice Stump 37 Wife — Ohio
49 Ada Stump 54 Mother — Ohio
50 Gregg Conrad 52 Head Farmer Ohio
51 Florence Conrad 51 Wife — Ohio
52 Lester Conrad 29 Son Core Maker Ohio
53 Glen Conrad 24 Son Farm Hand Ohio
54 Viola Conrad 14 Daughter — Ohio
55 Mary Conrad THIS PERSON 13 Daughter — Ohio
56 Clayton Conrad 12 Son — Ohio
57 Robert Miller 3 Grandson — Ohio
58 George Henniken 67 Head Painter Ohio
59 Charles Goschultz 54 Head Farmer Ohio
60 Myrtle Goschultz 51 Wife — Ohio
61 Ruth Goschultz 15 Daughter — Ohio
62 Albert Bowen 28 Son-in-law Crossing Watchman Colorado
63 Vernice Bowen 20 Daughter — Ohio
64 Donna Bowen 2 Daughter — Ohio
65 Herbert Fall 55 Head Stationary Eng Ohio
66 Cora Fall 48 Wife — Ohio
67 Thomas Elliott 15 Nephew — Ohio
68 Richard Elliott 16 Nephew — Ohio
69 Byron E. Caffell 49 Head Principal Jr High Ohio
70 Isabella Caffell 49 Wife — Ohio
71 John E. Caffell 23 Son Teacher Ohio
72 Virginia Caffell 16 Daughter — Ohio
73 Leonard Wilson 30 Head Farmer West Virginia
74 Mildred Wilson 24 Wife — Ohio
75 James Wilson 8 Son — Ohio
76 Richard Wilson 3 Son — Ohio
77 Frank Brown 56 Head Conductor Ohio
78 Josephine Brown 55 Wife — Ohio
79 Robert Mcquilkin 58 Head Telegraph Operator Ohio
80 Dora Mcquilkin 58 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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