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William Walsh — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · St.-Clair-County, Michigan

Our Model Tree links this William Walsh across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.

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

1940 Census Record Details

Census Year1940
LocationSt.-Clair-County, Michigan
SurnameWalsh
Given NameWilliam R. Jr
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceMichigan
1935 Residence (City)Port Huron
1935 Residence (County)St Clair
Additional Details
Income (1939)0
Highest GradeHs 2
1935 ResidenceSame house
Birth StateMichigan
Birth CountryUnited States
Birthplace (normalized)michigan
Township / WardPort Huron
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.

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

Name Relation to head Relative to William Age Birth yr
Nancy Walsh Daughter — 11 ~1929
Mary Walsh Daughter — 5 ~1935
Helen Walsh Daughter — 19 ~1921
Rosemary Walsh Daughter — 21 ~1919
William Walsh Head — 54 ~1886
Joseph Walsh Son — 2 ~1938
William Walsh Son — 15 ~1925
Rose Walsh Spouse — 44 ~1896

Census Appearances

1930
St Clair, …
Son, age 5
St Clair, Michigan · implied b. ~1925 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Walsh
Given Name William R Jr
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Michigan
Father's Birthplace Michigan
Mother's Birthplace Illinois
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan
1940
St.-Clair-County, Michigan
Son, age 15
St.-Clair-County, Michigan · implied b. ~1925 — 8 household members
Surname Walsh
Given Name William R. Jr
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Michigan
1935 Residence (City) Port Huron
1935 Residence (County) St Clair
Income (1939) 0
Highest Grade Hs 2
1935 Residence Same house
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan

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 William Walsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Walsh
Son · 1940 · age 15 · b. ~1925 · Michigan
★ You are viewing this record
Sibling
Rosemary Walsh
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Walsh
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Walsh
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Walsh
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Walsh
Sibling · 1940 · age 19
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 — St.-Clair-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01816-00623)

Line Name Age Relation Occupation Birthplace
1 Albert Thermiston 45 Head Freight Agent Pennsylvania
2 Bernadine Thermiston 36 Wife — Canada-English
3 Stephen Thermiston 5 Son — Michigan
4 Dolly Jean Robbins 27 Lodger History Teacher New Jersey
5 Elaina Robbins 24 Lodger — Michigan
6 Wilson W Shingle 62 Lodger Freight Clerk Canada-English
7 Eleanor Allen 20 Lodger Elevator Operator Michigan
8 William R. Walsh 54 Head Lawyer Michigan
9 Rose Walsh 44 Wife — Illinois
10 Rosemary Walsh 21 Daughter — Michigan
11 Helen C Walsh 19 Daughter — Illinois
12 William R. Jr Walsh THIS PERSON 15 Son — Michigan
13 Nancy Walsh 11 Daughter — Michigan
14 Mary J Walsh 5 Daughter — Michigan
15 Joseph Walsh 2 Son — Michigan
16 George A Hardy 25 Head Salesman Michigan
17 Barbara Hardy 25 Wife — Michigan
18 James Jr. Bryant 29 Head Salesman Michigan
19 Winifred Bryant 25 Wife — Michigan
20 Harry D. Myron 51 Head Doctor Michigan
21 Mary Myron 47 Wife — Michigan
22 Melvyn Myron 19 Son — Michigan
23 Harry Myron 9 Son — Michigan
24 Elsie Watson 23 Sister Housework Michigan
25 Lena Trusler 80 Head — Michigan
26 Daisy Laird 65 Wife — Michigan
27 Mary Laird 27 Daughter — Oklahoma
28 Abraham Baresh 26 Head Optometrist Michigan
29 Frances Baresh 20 Wife — Michigan
30 Leah Mazango 69 Head — Michigan
31 Jack Cassin 38 Head Mayor Michigan
32 Hazel Cassin 44 Wife — Michigan
33 Edward Mcnally 35 Head Gen. Office Manager Pennsylvania
34 Naomi Mcnally 28 Wife — Oklahoma
35 John W. Leighton 58 Head Pres. Manager And President Canada-English
36 Martha Leighton 52 Wife — Canada-English
37 John D. Leighton 22 Son — Canada-English
38 Ruliff V. Stratton 45 Head Music Teacher Pennsylvania
39 Alice B Stratton 55 Wife — Kentucky
40 Lewis B. Bennette 73 Head — Michigan

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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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