John Farrell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this John Farrell across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.

Age 59 b. ~1881 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Farrell
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Additional Details
Occupation	Painter
Industry	House
Class of Worker	PW
Hours Worked	40
Income (1939)	340
Highest Grade	Hs 7
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Painter
Township / Ward	Cincinnati
Est. Birth Year	~1881

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
John Farrell	Head	—	59	~1881
Ella Manne	Other	—	64	~1876
Louise Kopf	Other	—	54	~1886
John Farrell	Son	—	17	~1923
Emma Farrell	Spouse	—	45	~1895

Census Appearances

1920

Hamilton, Ohio

Other, age 37

Hamilton, Ohio · implied b. ~1883 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Farrel
Given Name	John
Relationship to Head	brother
Sex	M
Color / Race	White
Age	37
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Cooper
Industry	Soap factory
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Hamilton, Ohio

Head, age 48

Hamilton, Ohio · implied b. ~1882 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Farrell
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Cooper
Industry	Brewery
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	15
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Hamilton-County, Ohio

Head, age 59

Hamilton-County, Ohio · implied b. ~1881 — 5 household members

Surname	Farrell
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Occupation	Painter
Industry	House
Class of Worker	PW
Hours Worked	40
Income (1939)	340
Highest Grade	Hs 7
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

John Farrell

Head · 1940 · age 59 · b. ~1881 · 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

40 people indexed on this census page (nara:1940:m-t0627-03192-00820)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ruth Angel	23	Wife	—	Tennessee
2	Robert Heim	46	Head	Timekeeper	Ohio
3	Eleanor Heim	36	Wife	—	Ohio
4	Albert Jahnke	70	Head	Merchant	Germany
5	Minnie Jahnke	69	Wife	—	Ohio
6	Alma Gundrum	48	Daughter	—	Ohio
7	Elmer Gundrum	16	Grandson	—	Ohio
8	Doris Gundrum	12	Granddaughter	—	Ohio
9	Eugene Hall	50	Head	—	N C
10	Jenny Hall	18	Daughter	Stenographer	Ohio
11	Floyd Thompson	27	Houseboy	Houseboy	Tennessee
12	Robert R. Leiman	55	Head	Messenger	Ohio
13	Mildred Leiman	57	Wife	—	Ohio
14	Alice Leiman	33	Daughter	Secretary	Ohio
15	Harry Wessels	54	Head	Policeman	Ohio
16	Clara Wessels	52	Sister	—	Ohio
17	Anna Langer	74	Head	—	Austria
18	Edward Langer	51	Son	Clerical	Ohio
19	Marie Langer	44	Daughter	Stenographer	Ohio
20	Emma Langer	41	Daughter	Instructor	Ohio
21	Emil Pflug	58	Head	—	Ohio
22	Catheryne Pflug	58	Wife	—	Ohio
23	John Farrell THIS PERSON	59	Head	Painter	Ohio
24	Emma Farrell	45	Wife	—	Ohio
25	John Jr. Farrell	17	Son	Mechanic	Ohio
26	Louise Kopf	54	Sister-in-law	Bookkeeper	Ohio
27	Ella Manne	64	Boarder	Stenographer	Ohio
28	Clara Rogers	69	Head	—	Ohio
29	Charles Lawrence Rogers	40	Son	Laborer	Ohio
30	Velma Rogers	39	Daughter	Comptometer Op	Ohio
31	Carl Glesener	33	Head	Salesman	Germany
32	Anne Glesener	31	Wife	—	Canada
33	John Glenn Black	39	Head	Baker	Columbus, O
34	Hallie Black	31	Wife	—	Kentucky
35	Elva Lenham	71	Head	—	Ohio
36	Lloyd Lenham	29	Son	Clerk	Ohio
37	Kate Lenham	69	Sister	—	Ohio
38	Samuel Gottlieb	67	Head	Cutter	Germany
39	Pearl Gottlieb	57	Wife	—	Russia
40	Lester Gottlieb	33	Son	Lawyer	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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