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Lawrence Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Butler-County, Ohio

Our Model Tree links this Lawrence Martin across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.

Age 14 b. ~1926 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationButler-County, Ohio
SurnameMartin
Given NameLawrence
Relationship to HeadSon
SexM
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Lemon Township
1935 Residence (County)Butler
Additional Details
Income (1939)0
Highest GradeNo 8
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardLemon Township
Est. Birth Year~1926

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.

10 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Lawrence Age Birth yr
Virginia Martin Daughter — 18 ~1922
Mildred Martin Daughter — 10 ~1930
Howard Martin Son — 5 ~1935
Eddie Martin Son — 7 ~1933
Wanda Martin Daughter — 2 ~1938
Charles Martin Son — 16 ~1924
Alford Martin Head — 45 ~1895
Billy Martin Son — 9 ~1931
Bernice Martin Spouse — 36 ~1904
Lawrence Martin Son — 14 ~1926

Census Appearances

1930
Warren, Ohio
Son, age 4
Warren, Ohio · implied b. ~1926 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Martin
Given Name Lawrence
Relationship to Head Son
Sex M
Color / Race White
Age 4
Marital Status Single
Birthplace Ohio
Father's Birthplace Kentucky
Mother's Birthplace Ohio
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Butler-County, Ohio
Son, age 14
Butler-County, Ohio · implied b. ~1926 — 10 household members
Surname Martin
Given Name Lawrence
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace Ohio
1935 Residence (City) Lemon Township
1935 Residence (County) Butler
Income (1939) 0
Highest Grade No 8
1935 Residence Same place
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Lawrence Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lawrence Martin
Son · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Mildred Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Martin
Sibling · 1940 · age 16
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 — Butler-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03034-00235)

Line Name Age Relation Occupation Birthplace
1 Alford Martin 45 Head Laborer Kentucky
2 Bernice Martin 36 Wife — Ohio
3 Virginia Martin 18 Daughter — Ohio
4 Charles Martin 16 Son — Ohio
5 Lawrence Martin THIS PERSON 14 Son — Ohio
6 Mildred Martin 10 Daughter — Ohio
7 Billy Martin 9 Son — Ohio
8 Eddie Martin 7 Son — Ohio
9 Howard Martin 5 Son — Ohio
10 Wanda Martin 2 Daughter — Ohio
11 Stephen Sheehan 31 Head Crane Leader Ohio
12 Susie Sheehan 31 Wife School Teacher Ohio
13 A. E. Woodrey 64 Head Farmer Germany
14 Laura Woodrey 61 Wife — Kentucky
15 Pete Holty 33 Hired hand Farm Hand Ohio
16 Fannie Anderson 73 Head — Ohio
17 Anna Rotroff 51 — — Kansas
18 Omer Lamphier 25 Head Stock Clerk Ohio
19 Jeanette Lamphier 24 Wife — Ohio
20 Michael Lamphier 0 Son — Ohio
21 Sadie Mulligan 44 Head Mgr. Lunch Club Ohio
22 Francis Mulligan 19 Son New Worker Ohio
23 Edith Digg 43 Head School Teacher Ohio
24 Ella Digg 65 Mother — Ohio
25 M. A. Boyd 44 Head Dentist Ohio
26 Mildred Boyd 42 Wife — Ohio
27 Eleanor Ruth Boyd 17 Daughter — Ohio
28 John William Boyd 13 Son — Ohio
29 Helen Boyd 7 Daughter — Ohio
30 Exeley E. Wical 26 Head School Teacher Ohio
31 Mary E. Wical 27 Wife — Ohio
32 Joseph Burgernier 49 Head Furnace Man Ohio
33 Josephine Burgernier 44 Wife — Michigan
34 Alexander Jr. Cheek 34 Head Asst Mgr. North Carolina
35 Emily B. Cheek 35 Wife — Kentucky
36 Elizabeth B. Cheek 5 Daughter — Ohio
37 Mary Warwick Cheek 3 Daughter — Ohio
38 Clifford O. Jensen 37 Head Research Chemist Minnesota
39 Gunborg E. Jensen 37 Wife — Sweden
40 Carl S. Jensen 4 Son — Ohio

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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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