Ralph Johnson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Ada-County, Idaho

Our Model Tree links this Ralph Johnson across the 1920, 1930 and 1940 US Censuses in Ada-County, Idaho (XGBoost, ~Confirmed), with identified parents Robert & Pearl — first a head (b.~1907), then head of a 5-person household.

Age 33 b. ~1907 Male Head Born: Idaho Married

1940 Census Record Details

Census Year	1940
Location	Ada-County, Idaho
Surname	Johnson
Given Name	Ralph D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Idaho
1935 Residence (City)	Union Precinct
1935 Residence (County)	Ada
Additional Details
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho
Occupation	Farming
Township / Ward	Union Precinct
Est. Birth Year	~1907

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 Ralph	Age	Birth yr
Charlotte Johnson	Daughter	—	1	~1939
Emma Johnson	Daughter	—	8	~1932
Ralph Johnson	Head	—	33	~1907
Ralph Johnson	Son	—	5	~1935
Etha Johnson	Spouse	—	29	~1911

Census Appearances

1920

Ada, Idaho

Son, age 13

Ada, Idaho · implied b. ~1907 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Ralph
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Idaho
Father's Birthplace	Pennsylvania
Mother's Birthplace	Iowa
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1930

Ada, Idaho

Head, age 23

Ada, Idaho · implied b. ~1907 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Idaho
Age at First Marriage	20
Father's Birthplace	Pennsylvania
Mother's Birthplace	Iowa
Occupation	Farmer
Industry	Farm
Class of Worker	VVVV
Can Read/Write	Yes
Home Owned/Rented	R
Radio Set	R
Veteran	No
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1940

Ada-County, Idaho

Head, age 33

Ada-County, Idaho · implied b. ~1907 — 5 household members

Surname	Johnson
Given Name	Ralph D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Idaho
1935 Residence (City)	Union Precinct
1935 Residence (County)	Ada
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

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 Robert Johnson (~0.92 confidence) and mother Pearl Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Robert Johnson

b. ~1884

Source father

● Household · direct · ~0.92

Mother

Pearl Johnson

b. ~1886

Source mother

● Household · direct · ~0.92

This person

Anchor record

Ralph Johnson

Head · 1940 · age 33 · b. ~1907 · Idaho

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Ada-County, Idaho Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00736-00537)

Line	Name	Age	Relation	Occupation	Birthplace
1	Viola Hipper	23	Daughter	Music Teacher	South Dakota
2	Ralph D. Johnson THIS PERSON	33	Head	Farming	Idaho
3	Etha F. Johnson	29	Wife	—	Idaho
4	Emma J. Johnson	8	Daughter	—	Idaho
5	Ralph W. Jr. Johnson	5	Son	—	Idaho
6	Charlotte L. Johnson	1	Daughter	—	California
7	Gerald L. Ward	37	Head	Farming	Idaho
8	Vida E. Ward	37	Wife	—	Idaho
9	Gerald E. Ward	15	Son	—	Oregon
10	Kenneth E. Ward	13	Son	—	Idaho
11	Lawrence H. Cope	28	Head	Farming	Michigan
12	Ora F. Cope	22	Wife	—	Idaho
13	Melvin F. Cope	4	Son	—	Idaho
14	Gerald V. Cope	1	Son	—	Idaho
15	Jesse W. Pigney	55	Head	Attendant	Oklahoma
16	Delphia Pigney	35	Wife	Teacher	Michigan
17	Andrew Pigney	8	Son	—	Idaho
18	Doris R. Pigney	4	Daughter	—	Idaho
19	Terry C. Rice	44	Head	Farming	South Dakota
20	Dorothy G. Rice	37	Wife	—	Nebraska
21	Roland Rice	11	Son	—	Idaho
22	Robert Rice	11	Son	—	Idaho
23	Ott J. Fry	58	Head	Farming	Idaho
24	Bessie F. Fry	51	Wife	—	Idaho
25	Homer N. Fry	29	Head	Farming	Idaho
26	Alice Fry	27	Wife	—	Idaho
27	Alison H. Fry	2	Son	—	Idaho
28	Phillip S. Fry	1	Son	—	Idaho
29	Harvey H. Mcintire	61	Head	Laborer	Illinois
30	Florence E. Mcintire	61	Wife	—	Missouri
31	Robert R. Stephenson	44	Head	Logger	Idaho
32	Andre L. Dervin	36	Head	Farming	France
33	Marie L. Dervin	32	Wife	—	Belgium
34	Margaret J. Dervin	12	Daughter	—	Idaho
35	Mary E. Dervin	6	Daughter	—	Idaho
36	Barbara J. Dervin	5	Daughter	—	Idaho
37	Robert James Dervin	3	Son	—	Idaho
38	David W. Burnett	55	Head	Farmer	Idaho
39	Wahoneta Burnett	44	Wife	—	Illinois
40	Clarence L. Caster	36	Head	Farmer	Idaho

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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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