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Mary Blackburn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Athens-County, Ohio

Our Model Tree links this Mary Blackburn across the 1930 and 1940 US Censuses in Athens-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.

Age 11 b. ~1929 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationAthens-County, Ohio
SurnameBlackburn
Given NameMary M
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Torch Precinct
1935 Residence (County)Athens
Additional Details
Industry0
Highest GradeNo 5
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardTorch Precinct
Est. Birth Year~1929

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
Gladys Blackburn Spouse — 38 ~1902
Dorothy Blackburn Daughter — 7 ~1933
Melvin Blackburn Head — 41 ~1899
Harold Blackburn Son — 17 ~1923
Ruth Blackburn Daughter — 16 ~1924
Virginia Blackburn Daughter — 14 ~1926
Bernice Blackburn Daughter — 2 ~1938
Mary Blackburn Daughter — 11 ~1929

Census Appearances

1930
Athens, Ohio
Daughter, age 2
Athens, Ohio · implied b. ~1928 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Blackburn
Given Name Mary M.
Relationship to Head Daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace West Virginia
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Athens-County, Ohio
Daughter, age 11
Athens-County, Ohio · implied b. ~1929 — 8 household members
Surname Blackburn
Given Name Mary M
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace Ohio
1935 Residence (City) Torch Precinct
1935 Residence (County) Athens
Industry 0
Highest Grade No 5
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.
Linked across censuses
Our Model Tree links Mary Blackburn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Daughter · 1940 · age 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
Bernice Blackburn
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Blackburn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Blackburn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Blackburn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Blackburn
Sibling · 1940 · age 7
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 — Athens-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03026-00279)

Line Name Age Relation Occupation Birthplace
41 Ella Russell 47 Wife — Ohio
42 Thelma E Russell 15 Daughter — Ohio
43 Meda E Russell 12 Daughter — Ohio
44 Ray A Anderson 46 Head Farm Hand West Virginia
45 Viola A Anderson 45 Wife — Pennsylvania
46 William J Anderson 16 Son — Ohio
47 Melvin A Blackburn 41 Head Farmer Ohio
48 Gladys M Blackburn 38 Wife — Ohio
49 Harold W Blackburn 17 Son — Ohio
50 Ruth C Blackburn 16 Daughter — Ohio
51 Virginia M Blackburn 14 Daughter — Ohio
52 Mary M Blackburn THIS PERSON 11 Daughter — Ohio
53 Dorothy J Blackburn 7 Daughter — Ohio
54 Bernice J Blackburn 2 Daughter — Ohio
55 Lawrence Crawford 23 Head Laborer West Virginia
56 Thelma M Crawford 23 Wife — Ohio
57 Sonia C Crawford 2 Daughter — Ohio
58 Wilma J Crawford 0 Daughter — Ohio
59 Morris E Webster 43 Head Farmer Ohio
60 Estella H Webster 40 Wife — Ohio
61 Thelma J Webster 16 Daughter — Ohio
62 Harry O Krombe 48 Hired Hand Laborer Ohio
63 Theodore D Hazelton 67 Head Laborer Farm West Virginia
64 Lillie Hazelton 65 Wife — West Virginia
65 Carl L Dawson 30 Hired Hand Laborer West Virginia
66 Reverdy E Goodwin 64 Head Farmer West Virginia
67 Bessie Goodwin 52 Wife — West Virginia
68 Walter A Goodwin 18 Son — West Virginia
69 Thomas H Scott 56 Head Farmer West Virginia
70 Iona G Scott 48 Wife — West Virginia
71 Charles I Scott 22 Son — West Virginia
72 Alene X Scott 21 Daughter New Worker West Virginia
73 Mable F Scott 18 Daughter New Worker Kentucky
74 Lenore P Scott 15 Daughter — Ohio
75 Bernard D Scott 14 Son — Ohio
76 Doris D Scott 9 Daughter — Ohio
77 Ronald V Scott 0 Grandson — Ohio
78 Thomas W Gorrell 51 Head Farmer West Virginia
79 Elsie M Gorrell 47 Wife — West Virginia
80 Frances M Gorrell 19 Daughter — West Virginia

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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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