John Davidson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Athens-County, Ohio

Our Model Tree links this John Davidson across the 1920, 1930 and 1940 US Censuses in Athens-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 5-person household.

Age 48 b. ~1892 Male Head Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Athens-County, Ohio
Surname	Davidson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Athens
1935 Residence (County)	Athens
Naturalization Status	Naturalized
Additional Details
Occupation	Carpenter
Industry	Constr.
Class of Worker	OA
Hours Worked	48
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Ohio
Birth Country	Scotland
Birthplace (normalized)	scotland
Occupation	Carpenter
Township / Ward	Waterloo Twp
Est. Birth Year	~1892

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
Alta Davidson	Daughter	—	15	~1925
John Davidson	Head	—	48	~1892
William Davidson	Son	—	9	~1931
James Davidson	Son	—	13	~1927
Alta Davidson	Spouse	—	47	~1893

Census Appearances

1920

Wood, Ohio

Head, age 27

Wood, Ohio · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davidson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1911
Naturalization Status	Naturalized
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	carpenter
Industry	House
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth Country	Scotland
Year of Naturalization	1919
Birthplace (normalized)	scotland

1930

Athens, Ohio

Head, age 38

Athens, Ohio · implied b. ~1892 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davidson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Scotland
Naturalization Status	First papers filed
Year of Immigration	1911
Age at First Marriage	23
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Carpenter
Industry	Railroad Bridge Building
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	10
Veteran	No
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Athens-County, Ohio

Head, age 48

Athens-County, Ohio · implied b. ~1892 — 5 household members

Surname	Davidson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Athens
1935 Residence (County)	Athens
Naturalization Status	Naturalized
Occupation	Carpenter
Industry	Constr.
Class of Worker	OA
Hours Worked	48
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Ohio
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Davidson

Head · 1940 · age 48 · b. ~1892 · 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 — Athens-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03026-00369)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert Llewellyn	7	son	—	Ohio
2	Duane Llewellyn	6	son	—	Ohio
3	Larry Llewellyn	4	son	—	Ohio
4	Guy L. Pidcock	35	Head	Laborer	Ohio
5	Minnie Pidcock	32	wife	—	Ohio
6	Sylvia Pidcock	12	daughter	—	Ohio
7	Adrien Pidcock	7	daughter	—	Ohio
8	Albert L. Carpenter	58	Head	Laborer	Ohio
9	Minnie Carpenter	45	wife	—	Pennsylvania
10	George W. Carpenter	21	son	New Worker	Ohio
11	Densa A. Scott	9	nephew	—	Ohio
12	Halbert R. Mclead	61	Head	—	Ohio
13	Ralph Mclead	48	brother	—	Ohio
14	Cleophas Barnett	62	Head	Farmer	Virginia
15	Mary E. Barnett	60	wife	—	Virginia
16	John Davidson THIS PERSON	48	Head	Carpenter	Scotland
17	Alta Davidson	47	wife	—	Ohio
18	Alta L. Davidson	15	daughter	—	Ohio
19	James Davidson	13	son	—	Ohio
20	William Davidson	9	son	—	Ohio
21	Rhoda Mclead	56	Head	—	Ohio
22	Bernece Mclead	24	daughter	Teacher	Indiana
23	Jesse W. Carsey	46	Head	—	Ohio
24	I. Alpha E. Carsey	36	wife	—	Ohio
25	Sheldon Carsey	7	son	—	Ohio
26	Max Carsey	2	son	—	Ohio
27	Delmar W. Hannon	28	Head	Laborer	Ohio
28	Dorothy O. Hannon	26	wife	—	Ohio
29	Wilma Jean Hannon	6	daughter	—	Ohio
30	Shirley Mae Hannon	2	daughter	—	Ohio
31	Guy Graham	58	Head	Painter	Ohio
32	Florence O. Graham	43	wife	—	California
33	Jo Ann Graham	14	daughter	—	Ohio
34	Barbara Graham	11	daughter	—	Ohio
35	James Graham	3	son	—	Ohio
36	Paul M. Jeffers	36	Head	Farmer	W. Va.
37	Frances Jeffers	29	wife	—	W. Va.
38	Margaret Jeffers	11	daughter	—	W. Va.
39	Lewis F. Jeffers	10	son	—	W. Va.
40	Donald D. Jeffers	8	son	—	W. Va.

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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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