John Shaffer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Columbiana-County, Ohio

Our Model Tree links this John Shaffer across the 1920, 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 5-person household.

Age 69 b. ~1871 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Columbiana-County, Ohio
Surname	Shaffer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Salem City
1935 Residence (County)	Columbiana
Additional Details
Occupation	machine operator
Industry	pump manufacture
Class of Worker	PW
Hours Worked	40
Income (1939)	1200
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Machine Operator
Township / Ward	Salem City
Est. Birth Year	~1871

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
Gladys Hingley	Daughter	—	40	~1900
Jean Hingley	Daughter	—	20	~1920
John Shaffer	Head	—	69	~1871
Lillian Shaffer	Spouse	—	64	~1876
Albert Hingley	Other	—	53	~1887

Census Appearances

1920

Columbiana, Ohio

Head, age 49

Columbiana, Ohio · implied b. ~1871 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shafer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Machinist
Industry	Pump Works
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Columbiana, Ohio

Head, age 59

Columbiana, Ohio · implied b. ~1871 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shaffer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	24
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Machinist
Industry	Pump Works
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	4500
Radio Set	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Columbiana-County, Ohio

Head, age 69

Columbiana-County, Ohio · implied b. ~1871 — 5 household members

Surname	Shaffer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Salem City
1935 Residence (County)	Columbiana
Occupation	machine operator
Industry	pump manufacture
Class of Worker	PW
Hours Worked	40
Income (1939)	1200
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Shaffer 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 Shaffer

Head · 1940 · age 69 · b. ~1871 · 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 — Columbiana-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03044-00567)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ralph Karnahan	31	Head	Pharmacist	Ohio
2	Pauline Karnahan	27	Wife	—	Ohio
3	Flora Day	51	Head	—	Ohio
4	Wilbur Day	30	Son	Truck Driver	Ohio
5	Raymond Day	28	Son	Grinder	Ohio
6	Jacob Zeigler	70	Head	Pattern Maker	Ohio
7	Bessie Zeigler	53	Wife	—	Ohio
8	Mathias Beckert	51	Head	Harness Maker	Pennsylvania
9	Regina Beckert	46	Wife	—	Pennsylvania
10	Gottfried Beckert	24	Son	Spot Welder	Ohio
11	Joseph Scullion	74	Head	—	Irish Free State
12	Sara Scullion	69	Wife	—	Ohio
13	Elwood Wiggers Scullion	25	Grandson	Office Worker	Ohio
14	Carl Young	51	Head	Janitor	Pennsylvania
15	Sue Young	49	Wife	—	Pennsylvania
16	Virginia Young	22	Daughter	Press Feeder	Ohio
17	Dorothy Young	17	Daughter	—	Ohio
18	Betty Young	11	Daughter	—	Ohio
19	Charles Jr. Hum	23	Son-in-law	Draftsman	Ohio
20	John Farnier	64	Head	Foreman	Ohio
21	Emma Farnier	61	Wife	—	Ohio
22	John Shaffer THIS PERSON	69	Head	Machine Operator	Ohio
23	Lillian Shaffer	64	Wife	—	Ohio
24	Albert Hingley	53	Son-in-law	Draftsman	Ohio
25	Gladys Hingley	40	Daughter	—	Ohio
26	Jean Hingley	20	Daughter	—	Ohio
27	William King	56	Head	Watchman	Ohio
28	Etta King	52	Wife	—	Ohio
29	Mary Elizabeth King	13	Daughter	—	Ohio
30	John Whitton	60	Head	Machinist	Ohio
31	Irene Whitton	65	Wife	—	Ohio
32	Eugene Athens	20	Lodger	Assistant Manager	Ohio
33	Lizzie Lundell	72	Head	—	Ohio
34	Steve Jr. Solomon	30	Head	Packer	Pennsylvania
35	Mary Solomon	22	Wife	—	Pennsylvania
36	Joan Solomon	5	Daughter	—	Pennsylvania
37	Lora Beaumont	52	Head	—	Ohio
38	Wallace Weaver	46	Head	Truck Driver	Ohio
39	Mable Weaver	43	Wife	—	Ohio
40	Raymond Weaver	3	Son	—	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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