John Harmon — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mclean-County, Kentucky

Our Model Tree links this John Harmon across the 1920, 1930 and 1940 US Censuses in Mclean-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.

Age 78 b. ~1862 Male Head Born: Kentucky Married

1940 Census Record Details

Census Year	1940
Location	Mclean-County, Kentucky
Surname	Harmon
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	78
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Rumsey Town
1935 Residence (County)	McLean
Additional Details
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Highest Grade	No
1935 Residence	Same House
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Occupation	Farmer
Township / Ward	Rumsey Town
Est. Birth Year	~1862

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 John	Age	Birth yr
John Harmon	Head	—	78	~1862
Arthur Arthur	Son	—	45	~1895
Christine Harmon	Spouse	—	67	~1873

Census Appearances

1920

Mclean, Kentucky

Head, age 58

Mclean, Kentucky · implied b. ~1862 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Harmon
Given Name	John W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Occupation	Farmer
Industry	General Farm
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Mclean, Kentucky

Head, age 68

Mclean, Kentucky · implied b. ~1862 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Harmon
Given Name	John W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Kentucky
Age at First Marriage	24
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Occupation	Farmer
Industry	Farming
Class of Worker	VV
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	2.00
Veteran	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Mclean-County, Kentucky

Head, age 78

Mclean-County, Kentucky · implied b. ~1862 — 3 household members

Surname	Harmon
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	78
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Rumsey Town
1935 Residence (County)	McLean
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Highest Grade	No
1935 Residence	Same House
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Linked across censuses

Our Model Tree links John Harmon 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 Harmon

Head · 1940 · age 78 · b. ~1862 · 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 — Mclean-County, Kentucky Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01336-00460)

Line	Name	Age	Relation	Occupation	Birthplace
1	Hamilton Woosley	49	Head	Laborer	Kentucky
2	Viola Woosley	46	Wife	—	Tennessee
3	Cora Woosley	20	Daughter	Housekeeper	Kentucky
4	Janice Woosley	14	Daughter	—	Kentucky
5	Mahala Johnston	75	Mother-in-law	—	Kentucky
6	Charlie D. Bradley	40	Head	Carpenter	Kentucky
7	Rosa Bradley	43	Wife	—	Missouri
8	Helen Jean Bradley	12	Daughter	—	Indiana
9	Joyce Bradley	8	Daughter	—	Kentucky
10	Edward Johnston	33	Brother-in-law	Laborer	Kentucky
11	Azro D. Bradley	49	Head	Farmer	Kentucky
12	Harrie Bradley	44	Wife	—	Kentucky
13	James Milton Bradley	22	Son	Carpenter	Kentucky
14	John W. Harmon THIS PERSON	78	Head	Farmer	Kentucky
15	Christine Harmon	67	Wife	—	Kentucky
16	Arthur Arthur	45	Son	Mail Carrier	Kentucky
17	James D. Lindsay	52	Head	Farmer	Kentucky
18	Pearl S. Lindsay	47	Wife	—	Kentucky
19	Harold Bennett Lindsay	17	Son	—	Kentucky
20	Ava Christine Lindsay	14	Daughter	—	Kentucky
21	Thurman Spicer	37	Head	Farmer	Kentucky
22	Zelia Mae Spicer	38	Wife	—	Kentucky
23	Lucy D. Mcewen	65	Head	Postmistress	Kentucky
24	Elizabeth Mcewen	38	Daughter	—	Kentucky
25	Elwood Cessna	21	Head	Farmer	Kentucky
26	Minnie Cessna	21	Wife	—	Kentucky
27	James Ellis Cessna	1	Son	—	Kentucky
28	Dave Cobb	49	Head	Farmer	Kentucky
29	Mamie Cobb	44	Wife	—	Kentucky
30	Harrison Cobb	16	Son	—	Kentucky
31	Steve Cobb	13	Son	—	Michigan
32	Jackie Cobb	5	Son	—	Kentucky
33	Alfred P. Austin	32	Head	Truck Driver	Kentucky
34	Bessy B. Austin	34	Wife	—	Kentucky
35	Gene Austin	11	Son	—	Kentucky
36	Bobbie Austin	9	Son	—	Indiana
37	Anthony Austin	1	Daughter	—	Kentucky
38	Sam Ruddell	55	Head	Carpenter	Kentucky
39	Venia B. Ruddell	44	Wife	—	Kentucky
40	Cordia B. Austin	73	Head	—	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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