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John Grady — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Twiggs-County, Georgia

Our Model Tree links this John Grady across the 1930 and 1940 US Censuses in Twiggs-County, Georgia (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.

Age 13 b. ~1927 Male Son Born: Georgia Single

1940 Census Record Details

Census Year1940
LocationTwiggs-County, Georgia
SurnameGrady
Given NameJohn L.
Relationship to HeadSon
SexM
Color / RaceBlack
Age13
Marital StatusSingle
BirthplaceGeorgia
1935 Residence (City)Militia District 324 - Trane
1935 Residence (County)Twiggs
Additional Details
Highest GradeNo 4
1935 ResidenceSame place
Birth StateGeorgia
Birth CountryUnited States
Birthplace (normalized)georgia
Township / WardMilitia District 324 Trane
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.

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

Name Relation to head Relative to John Age Birth yr
Inez Grady Daughter — 20 ~1920
Lucy Grady Daughter — 27 ~1913
Robert Grady Head — 50 ~1890
Emma Grady Daughter — 19 ~1921
Alice Grady Daughter — 17 ~1923
John Grady Son — 13 ~1927
Robert Grady Son — 18 ~1922
Henry Grady Son — 15 ~1925
Annie Grady Spouse — 48 ~1892

Census Appearances

1930
Twiggs, Georgia
Son, age 2
Twiggs, Georgia · implied b. ~1928 — 12 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Grady
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 2
Marital Status Single
Birthplace Georgia
Father's Birthplace Georgia
Mother's Birthplace Georgia
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia
1940
Twiggs-County, Georgia
Son, age 13
Twiggs-County, Georgia · implied b. ~1927 — 9 household members
Surname Grady
Given Name John L.
Relationship to Head Son
Sex M
Color / Race Black
Age 13
Marital Status Single
Birthplace Georgia
1935 Residence (City) Militia District 324 - Trane
1935 Residence (County) Twiggs
Highest Grade No 4
1935 Residence Same place
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia

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 John Grady across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Grady
Son · 1940 · age 13 · b. ~1927 · Georgia
★ You are viewing this record
Sibling
Henry Grady
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Grady
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Grady
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Grady
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Grady
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Grady
Sibling · 1940 · age 18
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 — Twiggs-County, Georgia Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00717-00036)

Line Name Age Relation Occupation Birthplace
41 Mildred H. Nolan 25 Wife — Georgia
42 James L. Williams 28 Head Farmer Georgia
43 Fannie T. Williams 28 Wife — Georgia
44 Ole L. Williams 5 Daughter — Georgia
45 Erla M. Williams 3 Daughter — Georgia
46 Mary Williams 0 Daughter — Georgia
47 Celia Williams 48 Mother — Georgia
48 Gertrude T. Orr 39 Head — Georgia
49 Harriet Williams 18 Daughter — Georgia
50 Orange Williams 8 Son — Georgia
51 Reuben Frymon 68 Head Farmer Georgia
52 Mamie W. Frymon 58 Wife Farm Laborer Georgia
53 William Ellis 32 Head Farm Laborer Georgia
54 Willie G. Ellis 29 Wife — Georgia
55 Mattie M. Ellis 6 Daughter — Georgia
56 Daisy L. Ellis 5 Daughter — Georgia
57 Mamie Ellis 4 Daughter — Georgia
58 Willie M. Ellis 1 Daughter — Georgia
59 Robert Mclendon 27 Head Farm Laborer Georgia
60 Catherine W. Mclendon 28 Wife — Georgia
61 Lena K. Mclendon 13 Daughter — Georgia
62 Hezekiah Mclendon 8 Son — Georgia
63 Willie J. Mclendon 5 Son — Georgia
64 Phillip Mclendon 4 Son — Georgia
65 Jewell L. Mclendon 1 Daughter — Georgia
66 India Williams 52 Mother-in-law Midwife Georgia
67 John Walker 28 Lodger Farm Laborer Georgia
68 Dan E. Stanley 55 Head Farm Laborer Georgia
69 Sallie G. Stanley 29 Wife — Georgia
70 Robert Grady 50 Head Farmer Georgia
71 Annie B. Grady 48 Wife Farm Laborer Georgia
72 Lucy Grady 27 Daughter Farm Laborer Georgia
73 Inez Grady 20 Daughter — Georgia
74 Emma Grady 19 Daughter — Georgia
75 Robert Grady 18 Son Laborer Georgia
76 Alice Grady 17 Daughter — Georgia
77 Henry M. Grady 15 Son — Georgia
78 John L. Grady THIS PERSON 13 Son — Georgia
79 Willie Bryant 58 Head Farm Laborer Georgia
80 Lucy F. Bryant 56 Wife — Georgia

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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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