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John Roach — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Bibb-County, Alabama

Our Model Tree links this John Roach across the 1930 and 1940 US Censuses in Bibb-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.

Age 17 b. ~1923 Male Son Born: Alabama Single

1940 Census Record Details

Census Year1940
LocationBibb-County, Alabama
SurnameRoach
Given NameJohn W
Relationship to HeadSon
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceAlabama
1935 Residence (City)Mc Graw
1935 Residence (County)Bibb
Additional Details
OccupationLaborer
IndustryW.P.A.
Class of WorkerGW
Hours Worked45
Income (1939)0
Highest GradeNo 6
1935 ResidenceSame place
Birth StateAlabama
Birth CountryUnited States
Birthplace (normalized)alabama
OccupationLaborer
Township / WardMc Graw
Est. Birth Year~1923

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
Mildred Roach Daughter — 10 ~1930
Shirley Carpenter Daughter — 1 ~1939
Frances Martin Daughter — 20 ~1920
Annie Roach Daughter — 8 ~1932
Ruth Roach Daughter — 12 ~1928
Carrie Roach Head — 40 ~1900
Shelby Martin Other — 1 ~1939
John Roach Son — 17 ~1923
Eugene Roach Son — 14 ~1926

Census Appearances

1930
Bibb, Alabama
Son, age 5
Bibb, Alabama · implied b. ~1925 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname REACH
Given Name John W.
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Alabama
Father's Birthplace Alabama
Mother's Birthplace Alabama
Birth State Alabama
Birth Country United States
Birthplace (normalized) alabama
1940
Bibb-County, Alabama
Son, age 17
Bibb-County, Alabama · implied b. ~1923 — 9 household members
Surname Roach
Given Name John W
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace Alabama
1935 Residence (City) Mc Graw
1935 Residence (County) Bibb
Occupation Laborer
Industry W.P.A.
Class of Worker GW
Hours Worked 45
Income (1939) 0
Highest Grade No 6
1935 Residence Same place
Birth State Alabama
Birth Country United States
Birthplace (normalized) alabama

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 Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Roach
Son · 1940 · age 17 · b. ~1923 · Alabama
★ You are viewing this record
Sibling
Eugene Roach
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Roach
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Carpenter
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Roach
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Roach
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Martin
Sibling · 1940 · age 20
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 — Bibb-County, Alabama Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00004-00503)

Line Name Age Relation Occupation Birthplace
41 Betty June Mills 13 Daughter — Alabama
42 Clydie Mills 12 Son — Alabama
43 Mildred Mills 10 Daughter — Alabama
44 Nena R Mills 7 Daughter — Alabama
45 Franklin Mills 4 Son — Alabama
46 Charlie Perry 43 Head Coal Digger Alabama
47 Gertrude Perry 33 Wife — Alabama
48 Sarah Perry 14 Daughter — Alabama
49 Bobbie Perry 12 Daughter — Alabama
50 John Walter Watts 34 Head Coal Digger Alabama
51 Emma Watts 35 Wife — Georgia
52 Alex Watts 12 Son — Alabama
53 John Clifford Watts 2 Son — Alabama
54 Todie Mcspadden 20 Lodger Laborer Alabama
55 Will Carroll 59 Head — Alabama
56 Annie Carroll 51 Wife — Mississippi
57 Bill Carroll 19 Son — Alabama
58 Kate Carroll 17 Daughter — Alabama
59 Nelda Faye Carroll 10 Daughter — Alabama
60 J. C. Jackson 30 Son-in-law Chain Man Alabama
61 Jean Jackson 22 Daughter — Alabama
62 Anna C Kemmer 4 Grand daug — Wisconsin
63 Michael Kemmer 3 Grandson — Wisconsin
64 Freeman Henderson 36 Head Coal Digger Alabama
65 Myrtle Henderson 30 Wife — Alabama
66 Genia H Henderson 12 Son — Alabama
67 Kenneth Henderson 8 Son — Alabama
68 Lee Henderson 2 Son — Alabama
69 Carrie Roach 40 Head — Alabama
70 John W Roach THIS PERSON 17 Son Laborer Alabama
71 Eugene Roach 14 Son Laborer Alabama
72 Ruth Roach 12 Daughter — Alabama
73 Mildred Roach 10 Daughter — Alabama
74 Annie Merle Roach 8 Daughter — Alabama
75 Shirley Ann Carpenter 1 Daughter — Alabama
76 Frances Martin 20 Daughter — Alabama
77 Shelby Jr Martin 1 Grandson — Alabama
78 Walter Holden 55 Head Laborer Alabama
79 Jack Holden 6 Son — Alabama
80 Lilian West 64 Head — Alabama

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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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