John Coffey — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Harper-County, Kansas

Our Model Tree links this John Coffey across the 1920, 1930 and 1940 US Censuses in Harper-County, Kansas (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 4-person household.

Age 66 b. ~1874 Male Head Born: Missouri Married

1940 Census Record Details

Census Year	1940
Location	Harper-County, Kansas
Surname	Coffey
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Harper city
1935 Residence (County)	Harper
Additional Details
Occupation	Well digger
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same house
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri
Occupation	Well Digger
Township / Ward	Harper City
Est. Birth Year	~1874

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 John	Age	Birth yr
Everett Coffey	Son	—	26	~1914
Irvin Coffey	Son	—	33	~1907
Rose Coffey	Spouse	—	60	~1880
John Coffey	Head	—	66	~1874

Census Appearances

1920

Harper, Kansas

Head, age 46

Harper, Kansas · implied b. ~1874 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Coffey
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Missouri
Father's Birthplace	US
Mother's Birthplace	US
Occupation	Laborer
Industry	Streets
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1930

Harper, Kansas

Head, age 58

Harper, Kansas · implied b. ~1872 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Coffey
Given Name	John S
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Missouri
Age at First Marriage	30
Father's Birthplace	United States
Mother's Birthplace	United States
Occupation	Laborer
Industry	Public Works
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	700
Radio Set	R
Veteran	No
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1940

Harper-County, Kansas

Head, age 66

Harper-County, Kansas · implied b. ~1874 — 4 household members

Surname	Coffey
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Harper city
1935 Residence (County)	Harper
Occupation	Well digger
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same house
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

Model Tree

Linked across censuses

Our Model Tree links John Coffey 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 Coffey

Head · 1940 · age 66 · b. ~1874 · Kansas

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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 — Harper-County, Kansas Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01234-00317)

Line	Name	Age	Relation	Occupation	Birthplace
1	Pauline Barker	9	Dau	—	Kansas
2	Paul Barker	9	Son	—	Kansas
3	Donald Barker	7	Son	—	Kansas
4	Martha Barker	3	Dau	—	Kansas
5	Harvey W. Coffey	35	Head	Carpenter	Oklahoma
6	Thelma S. Coffey	31	Wife	Waitress	Oklahoma
7	Forrest L. Coffey	12	Son	—	Oklahoma
8	Alva J. Garrison	73	Head	—	Illinois
9	Mabel A. Garrison	70	Wife	—	Wisconsin
10	Clarissa Hanna	76	Head	—	Illinois
11	Samuel Lockhart	86	Head	—	Virginia
12	Emma E. Lockhart	72	Wife	—	Illinois
13	Augusta Steffler	79	Head	—	Missouri
14	Bill Bittman	75	Head	—	Kansas
15	Leroy A. Wilson	46	Head	—	Kansas
16	Mabel S. Wilson	40	Wife	Telephone Oper.	Kansas
17	Marvin Wilson	18	Son	Salesman	Kansas
18	Mildred M. Wilson	16	Dau	—	Kansas
19	Eva M. Mcdowell	64	Head	—	Michigan
20	Ruby Mcdowell	33	Dau	—	Oklahoma
21	Leland Biercall	23	Grandson	Salesman	Oklahoma
22	John Bickell	83	Head	—	Indiana
23	Elsie Bickell	71	Wife	—	Iowa
24	Fred Bickell	33	Son	Owner-Operator	Missouri
25	Charles Bickell	29	Son	Owner-Operator	Texas
26	Elisha L. Morgan	79	Head	—	Iowa
27	Eva S. Morgan	58	Wife	—	Iowa
28	Andrew Morgan	31	Son	Trucker	Iowa
29	Geraldine Morgan	21	Dau-in-law	Presser	Arkansas
30	Adelia Ormiston	82	Head	—	Indiana
31	Harry Ormiston	62	Son	—	Illinois
32	George W. Holdsworth	80	Brother	—	Illinois
33	John S. Coffey THIS PERSON	66	Head	Well Digger	Missouri
34	Rose Coffey	60	Wife	—	Kansas
35	Irvin Coffey	33	Son	Laborer	Kansas
36	Everett Coffey	26	Son	Laborer	Kansas
37	Orville H. Herrick	28	Head	Laborer	Kansas
38	Viola Herrick	23	Wife	—	Oklahoma
39	Laveda P. Herrick	5	Dau	—	Kansas
40	Harold R. Herrick	4	Son	—	Kansas

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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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