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Johnnie Jones — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Duval-County, Florida

Our Model Tree links this Johnnie Jones across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.

Age 12 b. ~1928 Male Son Born: Florida Single

1940 Census Record Details

Census Year1940
LocationDuval-County, Florida
SurnameJones
Given NameJohnnie M.
Relationship to HeadSon
SexM
Color / RaceBlack
Age12
Marital StatusSingle
BirthplaceFlorida
1935 Residence (City)29th Precinct
1935 Residence (County)Duval
Additional Details
Highest GradeNo 2
1935 ResidenceSame place
Birth StateFlorida
Birth CountryUnited States
Birthplace (normalized)florida
Township / Ward29Th Precinct
Est. Birth Year~1928

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 Johnnie Age Birth yr
Ella Jones Spouse — 27 ~1913
Elizabeth Jones Daughter — 10 ~1930
Julia Jones Daughter — 8 ~1932
Henry Jones Son — 1 ~1939
James Jones Son — 6 ~1934
Freddie Jones Son — 3 ~1937
Johnnie Jones Son — 12 ~1928
James Jones Head — 29 ~1911
Ella Jones Daughter — 13 ~1927

Census Appearances

1930
Duval, Florida
Son, age 1
Duval, Florida · implied b. ~1929 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Jones
Given Name Johnny
Relationship to Head Son
Sex M
Color / Race Black
Age 1
Marital Status Single
Birthplace Florida
Father's Birthplace Florida
Mother's Birthplace Florida
Birth State Florida
Birth Country United States
Birthplace (normalized) florida
1940
Duval-County, Florida
Son, age 12
Duval-County, Florida · implied b. ~1928 — 9 household members
Surname Jones
Given Name Johnnie M.
Relationship to Head Son
Sex M
Color / Race Black
Age 12
Marital Status Single
Birthplace Florida
1935 Residence (City) 29th Precinct
1935 Residence (County) Duval
Highest Grade No 2
1935 Residence Same place
Birth State Florida
Birth Country United States
Birthplace (normalized) florida

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 Johnnie Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Johnnie Jones
Son · 1940 · age 12 · b. ~1928 · Florida
★ You are viewing this record
Sibling
Henry Jones
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Jones
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Jones
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Jones
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jones
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Jones
Sibling · 1940 · age 13
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 — Duval-County, Florida Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00584-00455)

Line Name Age Relation Occupation Birthplace
41 George Jones 92 Grand father — Florida
42 Georgia Snach 69 Aunt — Florida
43 James Jones 29 Head Laborer Florida
44 Ella Jones 27 Wife — Florida
45 Ella Jones 13 Daughter — Florida
46 Johnnie M. Jones THIS PERSON 12 Son — Florida
47 Elizabeth Jones 10 Daughter — Florida
48 Julia Jones 8 Daughter — Florida
49 James Jones 6 Son — Florida
50 Freddie Jones 3 Son — Florida
51 Henry Jones 1 Son — Florida
52 Ellis Jamison 53 Head Cook South Carolina
53 Celestine Jamison 18 Daughter — Florida
54 Aline Jamison 20 Daughter — Florida
55 Horace Jamison 32 Son Yardman South Carolina
56 Sam Jamison 23 Son Yardman South Carolina
57 John Jamison 15 Son — Florida
58 George Lloyd 50 Head Rigger Florida
59 Mamie L. Lloyd 42 Wife — Florida
60 Dorothy Lloyd 17 Daughter — Florida
61 Henry C. Hogan 25 Lodger Laborer Florida
62 George Lyons 60 Head Water Boy Florida
63 Mary L. Lyons 49 Wife — North Carolina
64 Emmett Lyons 23 Son — North Carolina
65 Quincy Lyons 15 Son — North Carolina
66 Alexander Stubbs 40 Head Laborer Florida
67 Constance Stubbs 36 Wife — Alabama
68 George Stubbs 72 Uncle — South Carolina
69 Gerald W. Kealan 26 Head Night Watchman Georgia
70 Audrey Kealan 24 Wife — Georgia
71 Gerald Wayne Kealan 2 Son — Florida
72 Marshall Grage 37 Head Painter New York
73 Marie Grage 25 Wife — South Carolina
74 Marlene Grage 1 Daughter — Florida
75 Barbara Jean Grage 0 Daughter — Florida
76 Elias Anderson 50 Head Agent Florida
77 Vivian Anderson 25 Daughter Stenographer Florida
78 C. J. Thomas 50 Head Janitor Florida
79 Bill Brice 67 Partner Yardman Georgia
80 Isaac Lloyd 54 Head Fireman 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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