Ralph Johnson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Ottawa-County, Ohio

Our Model Tree links this Ralph Johnson across the 1920, 1930 and 1940 US Censuses in Ottawa-County, Ohio (XGBoost, ~Confirmed), with identified parents Arthur & Jennie — first a head (b.~1910), then head of a 4-person household.

Age 30 b. ~1910 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Ottawa-County, Ohio
Surname	Johnson
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Port Clinton Village
1935 Residence (County)	Ottawa
Additional Details
Occupation	Forman
Industry	U.S. Gypsum
Class of Worker	PW
Hours Worked	44
Income (1939)	1316
Highest Grade	C 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Forman
Township / Ward	Port Clinton Village
Est. Birth Year	~1910

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 Ralph	Age	Birth yr
Ralph Johnson	Head	—	30	~1910
Arthur Johnson	Other	—	59	~1881
Richard Johnson	Son	—	1	~1939
Winifred Johnson	Spouse	—	30	~1910

Census Appearances

1920

Ottawa, Ohio

Son, age 10

Ottawa, Ohio · implied b. ~1910 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Ottawa, Ohio

Son, age 20

Ottawa, Ohio · implied b. ~1910 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Machinist
Industry	Boat Works
Class of Worker	W
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Ottawa-County, Ohio

Head, age 30

Ottawa-County, Ohio · implied b. ~1910 — 4 household members

Surname	Johnson
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Port Clinton Village
1935 Residence (County)	Ottawa
Occupation	Forman
Industry	U.S. Gypsum
Class of Worker	PW
Hours Worked	44
Income (1939)	1316
Highest Grade	C 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

Our Model Tree links Ralph Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Johnson (~0.92 confidence) and mother Jennie Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Arthur Johnson

b. ~1881

Source father

● Household · direct · ~0.92

Mother

Jennie Johnson

b. ~1883

Source mother

● Household · direct · ~0.92

This person

Anchor record

Ralph Johnson

Head · 1940 · age 30 · b. ~1910 · 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 — Ottawa-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03125-00429)

Line	Name	Age	Relation	Occupation	Birthplace
1	Bruce Carter	12	Son	—	Ohio
2	End Of Block	None	—	—	—
3	Patrick O'Brien	56	Head	Fireman	New York
4	Amanda O'Brien	53	Wife	—	Ohio
5	James B. O'Brien	16	Son	—	Ohio
6	Ralph J. O'Brien	15	Son	—	Ohio
7	Patrick Jr. O'Brien	13	Son	—	Ohio
8	Floyd A. Easton	40	Head	Labourer	Ohio
9	Malinda Easton	35	Wife	—	Ohio
10	Lila Lee Easton	17	Daughter	—	Ohio
11	Mildred Easton	12	Son	—	Ohio
12	Jeanne Easton	6	Daughter	—	Ohio
13	Hans Jacobs	39	Head	Carpenter	Germany
14	Jacobs	31	Wife	—	Ohio
15	Albert Grodi	26	Head	Fisherman	Ohio
16	Morris Grodi	24	Wife	—	Indiana
17	Leonard Lawson	40	Head	Laborer	Ohio
18	Evelyn Lawson	30	Wife	—	Ohio
19	Darlene Lawson	10	Daughter	—	Ohio
20	Edward La Nur	45	Head	Highway	Louisiana
21	Jennie La Nur	36	Wife	Cook	Ohio
22	Robert La Nur	16	Son	—	Ohio
23	Norman La Nur	12	Son	—	Ohio
24	Carl R. La Nur	10	Son	—	Ohio
25	Amadi J. La Nur	8	Son	—	Ohio
26	William Meigh	56	Head	Carpenter	Scotland
27	Jeanie Meigh	48	Wife	—	Scotland
28	Ray Luvall	33	Head	Laborer	Kentucky
29	Harriett Luvall	26	Wife	—	Ohio
30	Ralph Johnson THIS PERSON	30	Head	Forman	Ohio
31	Winifred Johnson	30	Wife	—	Ohio
32	Richard Johnson	1	Son	—	Ohio
33	Arthur Johnson	59	Father	Laborer	Ohio
34	Howard Florian	30	Head	Machinist	Michigan
35	Elsa Florian	26	Wife	—	Ohio
36	Corrinne Florian	5	Daughter	—	Ohio
37	End Of Block	None	—	—	—
38	Chester Hanna	48	Head	Laborer	Ohio
39	Mable A. Hanna	44	Wife	—	Ohio
40	Ruel Payne	41	Head	Painter	Ohio

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Pedigree Summary

Ralph

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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