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William Welsh — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Butler-County, Ohio

Our Model Tree links this William Welsh across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.

Age 25 b. ~1915 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationButler-County, Ohio
SurnameWelsh
Given NameWilliam J. Jr.
Relationship to HeadSon
SexM
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Hamilton City
1935 Residence (County)Butler
Additional Details
Occupationswitch board operator
IndustryCity
Class of WorkerGW
Hours Worked48
Income (1939)1800
Highest Grade8
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationSwitch Board Operator
Township / WardHamilton City
Est. Birth Year~1915

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
William Welsh Son — 25 ~1915
Raymond Welsh Son — 16 ~1924
Sonne Hinkel Other — 4 ~1936
Paul Welsh Son — 24 ~1916
Marie Welsh Spouse — 44 ~1896
William Welsh Head — 55 ~1885
Lawrence Welsh Son — 22 ~1918
J Welsh Son — 19 ~1921

Census Appearances

1930
Butler, Ohio
Son, age 15
Butler, Ohio · implied b. ~1915 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Welsh
Given Name William J Jr
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read/Write Yes
Veteran No
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Butler-County, Ohio
Son, age 25
Butler-County, Ohio · implied b. ~1915 — 8 household members
Surname Welsh
Given Name William J. Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 25
Marital Status Single
Birthplace Ohio
1935 Residence (City) Hamilton City
1935 Residence (County) Butler
Occupation switch board operator
Industry City
Class of Worker GW
Hours Worked 48
Income (1939) 1800
Highest Grade 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 William Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Welsh
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Lawrence Welsh
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Welsh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Welsh
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Welsh
Sibling · 1940 · age 24
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-t0627-03033-00294)

Line Name Age Relation Occupation Birthplace
1 Don Roark 18 Son Ho Ho Ho Ho Ohio
2 Charles Roark 15 Son Ho Ho Ho Ho Ohio
3 C. W. Grismer None Lodger — Indiana
4 Marie E. Mccaffrey 52 Head Stenographer Ohio
5 Marie J. Dooley 49 Sister Switchboard Operator Ohio
6 John Monaco 36 Head Laborer Italy
7 Josephine Monaco 32 Wife — Ohio
8 Clementine Monaco 13 Daughter — Ohio
9 Palma Rose Monaco 5 Daughter — Ohio
10 Idella Grosse 40 Head Weaver Ohio
11 Helen Grosse 17 Daughter — Ohio
12 Martha Grosse 13 Daughter — Ohio
13 Earl Keane 42 Head Sheet Metal South Carolina
14 Harriet Keane 38 Wife — Ohio
15 Virginia Keane 15 Daughter — Ohio
16 Margarete Keane 12 Daughter — Michigan
17 Carla Keane 6 Daughter — Ohio
18 David Keane 4 Son — Ohio
19 Walter Nease 28 Head Laborer Ohio
20 Evelyn Nease 25 Wife — Ohio
21 Joanne Richardson 9 Daughter — Ohio
22 Walter Lee Nease 2 Son — Ohio
23 Lynita Lou Nease 0 Daughter — Ohio
24 William J. Welsh 55 Head Purchasing Agent Ohio
25 Marie F. Welsh 44 Wife — Ohio
26 William J. Jr. Welsh THIS PERSON 25 Son Switch Board Operator Ohio
27 Paul E. Welsh 24 Son Apprentice Molder Ohio
28 Lawrence E. Welsh 22 Son Calculator Man Ohio
29 J. Warren Welsh 19 Son Waiter Ohio
30 Raymond F. Welsh 16 Son — Ohio
31 Sonne C. Hinkel 4 Niece — Kentucky
32 Roy Roark 33 Head Salesman Ohio
33 Esther Roark 34 Wife — Ohio
34 Marilee Ann Roark 5 Daughter — Ohio
35 Roy Lee Roark 4 Son — Ohio
36 Nancy Lou Roark 2 Daughter — Ohio
37 Harry Southworth 38 Head Laborer Ohio
38 Ida E. Southworth 30 Wife — Ohio
39 Harry Southworth 12 Son — Ohio
40 Deloris Southworth 5 Daughter — 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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