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Lawrence Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Monroe-County, New York

Our Model Tree links this Lawrence Smith across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed), with identified parents Daniel & Louella — first a son (b.~1913), then head of a 12-person household.

Age 27 b. ~1913 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationMonroe-County, New York
SurnameSmith
Given NameLawrence
Relationship to HeadSon
SexM
Color / RaceWhite
Age27
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Rochester
1935 Residence (County)Monroe
Additional Details
OccupationMach. operator
IndustryDental Mfg Co
Class of WorkerPW
Hours Worked48
Income (1939)336
Highest GradeHs 4
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationMach. Operator
Township / WardRochester
Est. Birth Year~1913

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.

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

Name Relation to head Relative to Lawrence Age Birth yr
Eileen Smith Daughter — 25 ~1915
Clara Smith Daughter — 17 ~1923
Theresa Smith Daughter — 16 ~1924
Daniel Smith Head — 61 ~1879
Raymond Fox Other — 24 ~1916
Jean Smith Other — 6 ~1934
Lawrence Smith Son — 27 ~1913
Charles Smith Son — 11 ~1929
George Smith Son — 19 ~1921
Joseph Smith Son — 14 ~1926
Daniel Smith Son — 33 ~1907
Louella Smith Spouse — 61 ~1879

Census Appearances

1920
Monroe, New …
Other, age 7
Monroe, New York · implied b. ~1913 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Lawrence
Relationship to Head Step son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Monroe, New …
Other, age 16
Monroe, New York · implied b. ~1914 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Lawrence
Relationship to Head Brother-in-law
Sex M
Color / Race White
Age 16
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Monroe-County, New …
Son, age 27
Monroe-County, New York · implied b. ~1913 — 12 household members
Surname Smith
Given Name Lawrence
Relationship to Head Son
Sex M
Color / Race White
Age 27
Marital Status Single
Birthplace New York
1935 Residence (City) Rochester
1935 Residence (County) Monroe
Occupation Mach. operator
Industry Dental Mfg Co
Class of Worker PW
Hours Worked 48
Income (1939) 336
Highest Grade Hs 4
1935 Residence Same place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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.
Model Tree available
Our Model Tree links Lawrence Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Smith (~0.92 confidence) and mother Louella Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Daniel Smith
b. ~1879
Source father
● Household · direct · ~0.92
Mother
Louella Smith
b. ~1879
Source mother
● Household · direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1940 · age 27 · b. ~1913 · New York
★ You are viewing this record
Sibling
Daniel Smith
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Smith
Sibling · 1940 · age 25
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 — Monroe-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02850-00393)

Line Name Age Relation Occupation Birthplace
41 Harold Callahan 40 Lodger Auto Salesman New York
42 Katherine Callahan 40 Wife Secretary New York
43 Daniel Smith 61 Head — New York
44 Louella Smith 61 Wife — New York
45 Daniel Jr. Smith 33 Son Stationary Engineer New York
46 Lawrence Smith THIS PERSON 27 Son Mach. Operator New York
47 Eileen Smith 25 Daughter Secretary New York
48 George Smith 19 Son Packer New York
49 Clara Smith 17 Daughter — New York
50 Theresa Smith 16 Daughter — New York
51 Joseph Smith 14 Son — New York
52 Charles Smith 11 Son — New York
53 Jean Smith 6 Grand daughter — New York
54 Raymond J. Fox 24 Son-in-law Apprentice Tool Maker New York
55 Carl Thompson 59 Head Welder Minnesota
56 Mary H. Thompson 67 Wife — New York
57 Erwin Mothorpe 36 Head Delivery Sept New York
58 Ruth Mothorpe 35 Wife — New York
59 Richard Mothorpe 13 Son — New York
60 Dorothy Mothorpe 5 Daughter — New York
61 George F. Barclay 54 Head Head Machinist New York
62 Mary Barclay 52 Wife — New York
63 Frank J. Slyck 43 Head — New York
64 Mary Slyck 47 Wife Home Maker New York
65 Frank J. Jr. Slyck 16 Son — New York
66 Marylou Slyck 9 Daughter — New York
67 Joanne Slyck 8 Daughter — New York
68 J. Kelvin Hellenschmidt 41 Head Cutter New York
69 Marguerite Hellenschmidt 37 Wife — New York
70 Ralph Hellenschmidt 11 Son — New York
71 Richard Hellenschmidt 10 Son — New York
72 Donald Hellenschmidt 8 Son — New York
73 Mary Anne Hellenschmidt 6 Daughter — New York
74 William Hellenschmidt 4 Son — New York
75 Rita Hellenschmidt 1 Daughter — New York
76 John Redding 64 Lodger Porter New York
77 Gaylord Redding 27 Lodger Fitter New York
78 Elizabeth C. Wilson 62 Head — Canada English
79 Walter Wilson 37 Son Factory Worker Canada English
80 Harold Wilson 31 Son Clerical Worker Canada English

Search for Lawrence Smith

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Pedigree Summary

Lawrence + 7 siblings
Gen 1 · 2 parents ~0.92
Max depth 4 (1900–1950 window)

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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