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Ray Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Webster-County, Iowa

Our Model Tree links this Ray Martin across the 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.

Age 19 b. ~1921 Male Son Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationWebster-County, Iowa
SurnameMartin
Given NameRay
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Fort Dodge
1935 Residence (County)Webster
Additional Details
Occupationlaborer
IndustryN.Y.A.
Class of WorkerGW
Hours Worked52
Highest GradeH-3
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationLaborer
Township / WardFort Dodge
Est. Birth Year~1921

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 Ray Age Birth yr
Ralph Martin Son — 13 ~1927
Robert Martin Son — 18 ~1922
Rosco Martin Head — 47 ~1893
Ray Martin Son — 19 ~1921
Emma Martin Spouse — 42 ~1898
Nancy Martin Daughter — 3 ~1937
Betty Martin Daughter — 9 ~1931
Ruth Martin Daughter — 22 ~1918

Census Appearances

1930
Webster, Iowa
Son, age 9
Webster, Iowa · implied b. ~1921 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Martin
Given Name Ray
Relationship to Head son
Sex M
Color / Race White
Age 9
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Occupation none
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Webster-County, Iowa
Son, age 19
Webster-County, Iowa · implied b. ~1921 — 8 household members
Surname Martin
Given Name Ray
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Iowa
1935 Residence (City) Fort Dodge
1935 Residence (County) Webster
Occupation laborer
Industry N.Y.A.
Class of Worker GW
Hours Worked 52
Highest Grade H-3
1935 Residence Same place
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa

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 Ray Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ray Martin
Son · 1940 · age 19 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Ruth Martin
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
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 — Webster-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01212-00970)

Line Name Age Relation Occupation Birthplace
1 Mable Barnette 29 Head Bookkeeper Iowa
2 Blanche Hall 28 Lodger Credit Clerk South Dakota
3 Katherine Welch 72 Head — Iowa
4 Ann Conway 40 Head Clerk Iowa
5 James Conway 37 Brother Manager Iowa
6 Lloyd Rittenhouse 32 Head — Ohio
7 Charlotte Rittenhouse 30 Wife — Kansas
8 Carl Hamiel 42 Head Freight Agent Iowa
9 Betty Hamiel 42 Wife — Kansas
10 Howard Hamiel 14 Son — Iowa
11 John Hamiel 9 Son — Iowa
12 Raymond Cravens 33 Head Salesman Kentucky
13 Clara Cravens 22 Wife — Kansas
14 Rosco Martin 47 Head Conductor Iowa
15 Emma Martin 42 Wife — Iowa
16 Ruth Martin 22 Daughter Bookkeeper Iowa
17 Ray Martin THIS PERSON 19 Son Laborer Iowa
18 Robert Martin 18 Son — Iowa
19 Ralph Martin 13 Son — Iowa
20 Betty Lou Martin 9 Daughter — Iowa
21 Nancy Martin 3 Daughter — Iowa
22 Alfred Mccardy 79 Head — Wisconsin
23 Caroline Mccardy 59 Wife Teacher Wisconsin
24 Stanley Mccardy 30 Son — Wisconsin
25 Dorothy Poole 26 Daughter Office Worker Iowa
26 Caroline Poole 4 Granddaughter — Iowa
27 Joan Poole 3 Granddaughter — Iowa
28 Elwin Frihe 27 Lodger Laborer Iowa
29 Ester Frihe 22 Lodger Clerk Iowa
30 Carl Bahl 24 Lodger Clerk Iowa
31 Ellen Mueller 53 Head — Iowa
32 Mable Mueller 52 Daughter — Iowa
33 Lucinda Harvey 27 Lodger Clerk Iowa
34 Mary Smalley 45 Lodger Nurse Iowa
35 Mickle Coppinger 48 Head — Ireland
36 Sophia Coppinger 43 Wife — Iowa
37 Alice Coppinger 18 Daughter — Iowa
38 Margaret Coppinger 17 Daughter — Iowa
39 Dorothy Coppinger 16 Daughter — Iowa
40 Helen Coppinger 13 Daughter — Iowa

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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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