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Mary Blair — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Clay-County, Mississippi

Our Model Tree links this Mary Blair across the 1930 and 1940 US Censuses in Clay-County, Mississippi (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.

Age 48 b. ~1892 Female Spouse Born: Mississippi Married

1940 Census Record Details

Census Year1940
LocationClay-County, Mississippi
SurnameBlair
Given NameMary
Relationship to HeadWife
SexF
Color / RaceBlack
Age48
Marital StatusMarried
BirthplaceMississippi
1935 Residence (City)Beat 4
1935 Residence (County)Clay
Additional Details
OccupationLaborer
IndustryFarm
Class of WorkerNP
Hours Worked40
Highest GradeNo 5
1935 ResidenceSame place
Birth StateMississippi
Birth CountryUnited States
Birthplace (normalized)mississippi
OccupationLaborer
Township / WardBeat 4
Est. Birth Year~1892

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
Irene Blair Daughter — 15 ~1925
Bessie Blair Daughter — 17 ~1923
Annie Blair Daughter — 13 ~1927
Frank Blair Head — 50 ~1890
Charlie Blair Son — 19 ~1921
Sam Blair Son — 21 ~1919
Freddie Blair Son — 11 ~1929
Mary Blair Spouse — 48 ~1892

Census Appearances

1930
Clay, Mississippi
Other, age 42
Clay, Mississippi · implied b. ~1888 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Blair
Given Name Mary L
Relationship to Head Wife-H
Sex F
Color / Race Black
Age 42
Marital Status Married
Birthplace Mississippi
Age at First Marriage 17
Father's Birthplace Mississippi
Mother's Birthplace Mississippi
Occupation none
Can Read/Write Yes
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi
1940
Clay-County, Mississippi
Spouse, age 48
Clay-County, Mississippi · implied b. ~1892 — 8 household members
Surname Blair
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race Black
Age 48
Marital Status Married
Birthplace Mississippi
1935 Residence (City) Beat 4
1935 Residence (County) Clay
Occupation Laborer
Industry Farm
Class of Worker NP
Hours Worked 40
Highest Grade No 5
1935 Residence Same place
Birth State Mississippi
Birth Country United States
Birthplace (normalized) mississippi

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 Blair across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Blair
Spouse · 1940 · age 48 · b. ~1892 · Mississippi
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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 — Clay-County, Mississippi Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02016-00165)

Line Name Age Relation Occupation Birthplace
41 Willie Calhoun 20 Son Laborer Mississippi
42 Peter Calhoun 18 Son Laborer Mississippi
43 Louise Calhoun 16 Daughter Laborer Mississippi
44 Sally Calhoun 14 Daughter Laborer Mississippi
45 Corla Calhoun 12 Daughter Laborer Mississippi
46 Estella Calhoun 10 Daughter Laborer Mississippi
47 Annie B Calhoun 8 Daughter — Mississippi
48 Barb B Calhoun 3 Daughter — Mississippi
49 Frank Blair 50 Head Laborer Mississippi
50 Mary Blair THIS PERSON 48 Wife Laborer Mississippi
51 Sam Blair 21 Son Laborer Mississippi
52 Charlie G Blair 19 Son Laborer Mississippi
53 Bessie Lou Blair 17 Daughter Laborer Mississippi
54 Irene Blair 15 Daughter Laborer Mississippi
55 Annie Blair 13 Daughter Laborer Mississippi
56 Freddie Blair 11 Son Laborer Mississippi
57 Robert Kimbrough 25 Head Laborer Mississippi
58 Estella Kimbrough 23 Wife Laborer Mississippi
59 Cornie Kimbrough 12 Daughter Laborer Mississippi
60 Nellie Mae Kimbrough 10 Daughter — Mississippi
61 Sammie Kimbrough 8 Son — Mississippi
62 Brother Kimbrough 6 Son — Mississippi
63 Cassie Jones 34 Head Laborer Mississippi
64 Anais Jones 30 Wife Laborer Mississippi
65 Archie Lee Jones 13 Son Laborer Mississippi
66 Boy Brother Jones 11 Son — Mississippi
67 Sam Jones 5 Son — Mississippi
68 Bea Jones 2 Daughter — Mississippi
69 Essie Lee Jones 0 Daughter — Mississippi
70 Mattie Lou Morton 23 Aunt Laborer Mississippi
71 Andy Goolsby 57 Head Owner Manager Mississippi
72 Coy Shaler Goolsby 22 Wife Housekeeper Mississippi
73 Mildred Goolsby 12 Daughter — Mississippi
74 Mary U. Goolsby 71 Mother — Mississippi
75 Thickie Jones 37 Head Laborer Mississippi
76 Wheeler Jones 19 Son Laborer Mississippi
77 Albert Jones 14 Son Laborer Mississippi
78 Ruth May Jones 4 Daughter — Mississippi
79 Hiddie Keaton 72 Mother — Mississippi
80 Elia May Mitchell 25 Lodger Laborer Mississippi

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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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