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James Kirby — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Madison-County, Tennessee

Our Model Tree links this James Kirby across the 1930 and 1940 US Censuses in Madison-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.

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

1940 Census Record Details

Census Year1940
LocationMadison-County, Tennessee
SurnameKirby
Given NameJames R.
Relationship to HeadSon
SexM
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceTennessee
1935 Residence (City)9th Civil District
1935 Residence (County)Madison
Additional Details
Highest GradeNo 6
1935 ResidenceSame place
Birth StateTennessee
Birth CountryUnited States
Birthplace (normalized)tennessee
Township / Ward9Th Civil District
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 James Age Birth yr
Julie Kirby Spouse — 46 ~1894
Mary Kirby Daughter — 15 ~1925
Alex Kirby Son — 9 ~1931
James Kirby Son — 13 ~1927
Claude Kirby Son — 21 ~1919
Ellie Kirby Daughter — 23 ~1917
William Kirby Son — 15 ~1925
Charlie Kirby Head — 44 ~1896

Census Appearances

1930
Madison, Tennessee
Son, age 3
Madison, Tennessee · implied b. ~1927 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name James Ray
Relationship to Head Son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace Tennessee
Father's Birthplace Tennessee
Mother's Birthplace Tennessee
Birth State Tennessee
Birth Country United States
Birthplace (normalized) tennessee
1940
Madison-County, Tennessee
Son, age 13
Madison-County, Tennessee · implied b. ~1927 — 8 household members
Surname Kirby
Given Name James R.
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace Tennessee
1935 Residence (City) 9th Civil District
1935 Residence (County) Madison
Highest Grade No 6
1935 Residence Same place
Birth State Tennessee
Birth Country United States
Birthplace (normalized) tennessee

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 James Kirby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kirby
Son · 1940 · age 13 · b. ~1927 · Tennessee
★ You are viewing this record
Sibling
Ellie Kirby
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kirby
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kirby
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Kirby
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Kirby
Sibling · 1940 · age 9
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 — Madison-County, Tennessee Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03918-00652)

Line Name Age Relation Occupation Birthplace
1 Noel E. Armstrong 7 Son — Tennessee
2 Charles G. Armstrong 5 Son — Tennessee
3 Mary L. Armstrong 4 Daughter — Tennessee
4 Winnie M. Armstrong 2 Daughter — Tennessee
5 Thomas G. Armstrong 0 Son — Tennessee
6 Ed J. Moore 49 Head Operator Oklahoma
7 Winnie M. Moore 46 Wife — Tennessee
8 Jimmie J. Moore 64 Head Operator Tennessee
9 Charlie L. Kirby 44 Head Operator Tennessee
10 Julie L. Kirby 46 Wife — Tennessee
11 Ellie J. Kirby 23 Daughter — Tennessee
12 Claude L. Kirby 21 Son Helper Tennessee
13 Mary M. Kirby 15 Daughter — Tennessee
14 William L. Kirby 15 Son Helper Tennessee
15 James R. Kirby THIS PERSON 13 Son — Tennessee
16 Alex G. Kirby 9 Son — Tennessee
17 Ballton Weir 55 Head Operator Tennessee
18 Joe S. Armstrong 71 Head Operator Tennessee
19 Elmer Armstrong 33 Son Helper Tennessee
20 Marvin C. Armstrong 24 Son Operator Tennessee
21 Mary G. Armstrong 23 Daughter — Tennessee
22 Buck T. Griggs 30 Head Operator Tennessee
23 Bulah J. Griggs 27 Wife — Tennessee
24 Bernard J. Griggs 3 Son — Tennessee
25 Billie Williams 47 Head Operator Tennessee
26 Mary Williams 40 Wife — Tennessee
27 Lacy R. Hart 30 Head Operator Tennessee
28 Lallie M. Hart 30 Wife — Tennessee
29 Billy L. Hart 1 Son — Tennessee
30 William O. Blackman 34 Head Operator Tennessee
31 Ethel G. Blackman 29 Wife — Tennessee
32 Charles Spitzer 14 Son — Tennessee
33 Finley Blackmon 44 Head Operator Tennessee
34 Ida A. Blackmon 39 Wife — Tennessee
35 Iona O. Blackmon 19 Daughter — Tennessee
36 William G. Blackmon 16 Son — Tennessee
37 Ida J. Blackmon 14 Daughter — Tennessee
38 Flora B. Blackmon 11 Daughter — Tennessee
39 Lindsey E. Blackmon 8 Son — Tennessee
40 Felton H. Elder 22 Head Operator Tennessee

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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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