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Richard Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lake-County, Indiana

Our Model Tree links this Richard Martin across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.

Age 15 b. ~1925 Male Son Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationLake-County, Indiana
SurnameMartin
Given NameRichard
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)Gary
1935 Residence (County)Lake
Additional Details
Highest GradeNo 8
1935 ResidenceSame place
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
Township / WardGary
Est. Birth Year~1925

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 Richard Age Birth yr
Barbara Martin Daughter — 2 ~1938
Phyllis Martin Daughter — 5 ~1935
Patricia Martin Daughter — 9 ~1931
Thomas Martin Head — 39 ~1901
Thomas Martin Son — 18 ~1922
Richard Martin Son — 15 ~1925
Ronald Martin Son — 3 ~1937
Robert Martin Son — 13 ~1927
Lena Martin Spouse — 38 ~1902

Census Appearances

1930
Lake, Indiana
Son, age 5
Lake, Indiana · implied b. ~1925 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Martin
Given Name Richard
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Indiana
Father's Birthplace Missouri
Mother's Birthplace Indiana
Occupation none
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Lake-County, Indiana
Son, age 15
Lake-County, Indiana · implied b. ~1925 — 9 household members
Surname Martin
Given Name Richard
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Indiana
1935 Residence (City) Gary
1935 Residence (County) Lake
Highest Grade No 8
1935 Residence Same place
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

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 Richard Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Martin
Son · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Ronald Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Martin
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 — Lake-County, Indiana Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01121-00763)

Line Name Age Relation Occupation Birthplace
1 John Mc Gaughey 25 Head Sewage Inspector Pennsylvania
2 Mary Mc Gaughey 25 Wife — Indiana
3 Raymond Harris 33 Head Fireman Iowa
4 Louise Harris 32 Wife — Nebraska
5 Wilma Sufferin 17 Niece — Iowa
6 Michael Burnick 53 Head Feeder Austria
7 Barbara Burnick 43 Wife — Austria
8 Angelina Burnick 15 Daughter — Indiana
9 Peter Burnick 14 Son — Indiana
10 Julia Verplank 63 Head Proprietor Wisconsin
11 Gerbern Cole 35 Boarder Fireman Wisconsin
12 Julia Cole 27 Daughter — Wisconsin
13 Thomas Martin 39 Head Truck Driver Missouri
14 Lena Martin 38 Wife — Indiana
15 Thomas Jr Martin 18 Son — Indiana
16 Richard Martin THIS PERSON 15 Son — Indiana
17 Robert Martin 13 Son — Indiana
18 Patricia Martin 9 Daughter — Indiana
19 Phyllis Martin 5 Daughter — Indiana
20 Ronald Martin 3 Son — Indiana
21 Barbara Martin 2 Daughter — Indiana
22 Virgil Henry 25 Head Machinist Kentucky
23 Cecilia Henry 20 Wife — Indiana
24 Idola Henry 2 Daughter — Indiana
25 James Henry 0 Son — Indiana
27 Carrol Nash 53 Head Painter Illinois
28 Orley Nash 47 Wife — Illinois
29 Douglas Gumm 40 Head Laborer Illinois
30 Mary Gumm 36 Wife — Indiana
31 Charles Gumm 2 Son — Indiana
32 Grace Walker 54 Head Proprietor Indiana
33 Lawrence Walker 20 Son Printer Helper Indiana
34 Henry Reynold 23 Boarder Helper Ohio
35 Dorothy Reynold 20 Daughter — Indiana
36 Ernest Bartolomie 40 Head Proprietor Italy
37 Iva Bartolomie 38 Wife — Italy
38 Addis Bartolomie 18 Son — Indiana
39 Rudolph Bartolomie 16 Son — Indiana
40 Raymond Bartolomie 14 Son — Indiana

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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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