William Mcclain — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Kentucky

Our Model Tree links this William Mcclain across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.

Age 61 b. ~1879 Male Head Born: Kentucky Married

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Kentucky
Surname	McClain
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Additional Details
Occupation	Laborer
Industry	Public school
Class of Worker	GW
Hours Worked	26
Income (1939)	480
Highest Grade	No 6
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Occupation	Laborer
Township / Ward	Louisville City
Est. Birth Year	~1879

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
Helen Mcclain	Daughter	—	17	~1923
William Mcclain	Head	—	61	~1879
Elizabeth Mcclain	Spouse	—	44	~1896

Census Appearances

1920

Jefferson, Kentucky

Other, age 42

Jefferson, Kentucky · implied b. ~1878 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McClain
Given Name	William L
Relationship to Head	boarder
Sex	M
Color / Race	White
Age	42
Marital Status	Widowed
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Occupation	Laborer
Industry	Tobacco Works
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Jefferson, Kentucky

Other, age 50

Jefferson, Kentucky · implied b. ~1880 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McClain
Given Name	William
Relationship to Head	Lodger
Sex	M
Color / Race	Black
Age	50
Marital Status	Married
Birthplace	Kentucky
Age at First Marriage	22
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Occupation	Driver
Industry	Coal truck
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Jefferson-County, Kentucky

Head, age 61

Jefferson-County, Kentucky · implied b. ~1879 — 3 household members

Surname	McClain
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Occupation	Laborer
Industry	Public school
Class of Worker	GW
Hours Worked	26
Income (1939)	480
Highest Grade	No 6
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Linked across censuses

Our Model Tree links William Mcclain across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

William Mcclain

Head · 1940 · age 61 · b. ~1879 · Kentucky

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Jefferson-County, Kentucky Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-01365-00270)

Line	Name	Age	Relation	Occupation	Birthplace
41	Alfred Ketterer	17	Son	No No No No S	Kentucky
42	Clifford Ketterer	14	Son	No No No No S	Kentucky
43	Alma M Ketterer	14	Daughter	No No No No S	Kentucky
44	Catherine Ketterer	74	Mother	No No No No U	Kentucky
45	Thomas Humphries	56	In Law	Laborer	Kentucky
47	Albert C Weber	61	Head	Proprietor	Kentucky
48	Lillian Weber	57	Wife	No No No No H	Kentucky
49	Edward Maine	48	Lodger	Automobile Mechanic	Kentucky
50	Margaret Gorham	37	Lodger	Bookkeeper	Ohio
51	Della Steinmetz	64	Head	No No No No H	Kentucky
52	Amos Perry	40	Son	Auto Mechanic	Kentucky
53	Elizabeth Steinmetz	30	Daughter	Wrapper	Kentucky
54	Rosina Schindler	74	Head	No No No No H	Germany
55	Allan Schindler	52	Son	Machinist	Kentucky
56	Margaret Schindler	27	Cousin	Saleslady	Indiana
58	Forrest Wall	37	Son in law	Attendant	Kentucky
59	Esther Wall	36	Daughter	No No No No H	Kentucky
60	Wayne Wall	5	Grandson	—	Kentucky
61	William Mcclain THIS PERSON	61	Head	Laborer	Kentucky
62	Elizabeth Mcclain	44	Wife	No No No No H	Kentucky
63	Helen Mcclain	17	Daughter	No No No No S	Kentucky
64	Loline Smith	77	Head	Office Clerk	Kentucky
65	Elizabeth Turnbrink	81	Head	No No No No H	Kentucky
66	John Kuhlmann	67	Brother	No No No No H	Kentucky
67	Ben Stewart	51	Head	Watchman	Missouri
68	Daisy Stewart	50	Wife	Machinist	Kentucky
69	Clarence Tanner	40	Head	Machine Hand	Kentucky
70	Josie Tanner	38	Wife	Truck Driver	Kentucky
71	Lettie Bryan	69	Mother	No No No No U	Kentucky
72	Ann Perriman	21	Head	Machine Operator	Kentucky
73	Charlie Bryan	25	Head	Machine Breaker	Kentucky
74	Marcella Bryan	21	Wife	No No No No H	Kentucky
75	Veronica Kuebert	80	Head	No No No No U	Kentucky
76	Nellie Weber	74	Sister	No No No No H	Kentucky
77	Emma Mattern	86	Head	No No No No H	Kentucky
78	Lillian Mattern	39	Daughter	Typist	Kentucky
79	Irwin Mann	52	Head	Proprietor	Kentucky
80	Anna Mann	50	Wife	No No No No H	Kentucky

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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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