James Larkin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this James Larkin across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 4-person household.

Age 53 b. ~1887 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Larkin
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Cincinnati City
1935 Residence (County)	Hamilton
Additional Details
Occupation	Planer hand
Industry	Machine Shop
Class of Worker	PW
Hours Worked	4
Income (1939)	1400
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Planer Hand
Township / Ward	Cincinnati City
Est. Birth Year	~1887

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.

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

Name	Relation to head	Relative to James	Age	Birth yr
Laura Larkin	Spouse	—	51	~1889
Charles Larkin	Son	—	26	~1914
James Larkin	Head	—	53	~1887
James Larkin	Son	—	24	~1916

Census Appearances

1920

Hamilton, Ohio

Head, age 33

Hamilton, Ohio · implied b. ~1887 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larken
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Machinist
Industry	Machin Mfg
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Hamilton, Ohio

Head, age 44

Hamilton, Ohio · implied b. ~1886 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larkins
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	22
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Machinist
Industry	Rubber Co
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	25.00
Radio Set	R
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Hamilton-County, Ohio

Head, age 53

Hamilton-County, Ohio · implied b. ~1887 — 4 household members

Surname	Larkin
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Cincinnati City
1935 Residence (County)	Hamilton
Occupation	Planer hand
Industry	Machine Shop
Class of Worker	PW
Hours Worked	4
Income (1939)	1400
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

James Larkin

Head · 1940 · age 53 · b. ~1887 · Ohio

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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 — Hamilton-County, Ohio Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03200-00757)

Line	Name	Age	Relation	Occupation	Birthplace
1	Josephine Brokamp	50	Wife	Housewife	Indiana
2	Joseph, Jr Brokamp	25	Son	Sales Promotion	Michigan
3	Raymond Brokamp	11	Son	—	Ohio
4	Millie Gieringer	60	Head	Cigar Maker	Kentucky
5	Robert Crust	24	Head	Machinist App	Ohio
6	Helen Crust	23	Wife	Wrapper	Ohio
7	Robert Ruehle	48	Head	Labor	Ohio
8	Clara Ruehle	48	Wife	Housewife	Ohio
9	Matthew Buttlinger	71	Head	Gardener	Ohio
10	Raymond Wells	38	Head	Sewer Inspector	Tennessee
11	Anna Mae Wells	36	Wife	Housewife	Ohio
12	Margie Wells	9	Daughter	—	Ohio
13	Ray Wells	5	Son	—	Ohio
14	Richard Bauer	19	Boarder	New Worker	Ohio
15	Charles (Sr) Kappauff	38	Brother	Builder	Ohio
16	James Larkin THIS PERSON	53	Head	Planer Hand	Ohio
17	Laura Larkin	51	Wife	Housewife	Ohio
18	Charles Larkin	26	Son	Checker	Ohio
19	James Larkin	24	Son	Tester	Ohio
20	John Tunberg	61	Head	Reed Worker	Minnesota
21	Tamara Tunberg	64	Wife	Housewife	Ohio
22	Ida Gerringer	58	Boarder	Housewife	Ohio
23	Charles Gerringer	52	Boarder	Cattlemarker	Ohio
24	Steven Keelen	56	Boarder	Seamstress	Switzerland
25	Alma Gabriel	22	Niece	Secretary	Ohio
26	Anna M Grabenstetter	65	Head	Houseworker	Ohio
27	Louise Couch	60	Sister	Stenographer	Ohio
28	Joseph Buschelman	30	Head	Spring Maker	Germany
29	Dorothy Buschelman	25	Wife	Housewife	Ohio
30	Joseph B Buschelman	5	Son	—	Ohio
31	Angela Buschelman	0	Daughter	—	Ohio
32	Lena Gerringer	56	Mother-in-law	Housewife	Missouri
33	Ralph Burgin	26	Head	Grinder	Kentucky
34	Helen Burgin	28	Wife	Sausage Maker	Kentucky
35	Mary Burgin	65	Mother	Housewife	Kentucky
36	William Imman	20	Head	Assembler	Missouri
37	Ruth Imman	18	Wife	Housewife	Ohio
38	John Worst	64	Head	Mechanic	Ohio
39	Barbara Worst	60	Wife	Housewife	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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