John Murphy — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Woodbury-County, Iowa

Our Model Tree links this John Murphy across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed), with identified parents Patrick — first a head (b.~1914), then head of a 4-person household.

Age 26 b. ~1914 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Woodbury-County, Iowa
Surname	Murphy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Kedron Twp
1935 Residence (County)	Woodbury
Additional Details
Occupation	farmer
Industry	farm
Class of Worker	OA
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	Kedron Twp
Est. Birth Year	~1914

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
Judith Murphy	Daughter	—	2	~1938
Barbara Murphy	Daughter	—	3	~1937
John Murphy	Head	—	26	~1914
Anne Murphy	Spouse	—	24	~1916

Census Appearances

1920

Woodbury, Iowa

Other, age 6

Woodbury, Iowa · implied b. ~1914 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Murphy
Given Name	John
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	6
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Woodbury, Iowa

Son, age 16

Woodbury, Iowa · implied b. ~1914 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Murphy
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Occupation	Laborer
Industry	General Farm
Class of Worker	W
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Woodbury-County, Iowa

Head, age 26

Woodbury-County, Iowa · implied b. ~1914 — 4 household members

Surname	Murphy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Kedron Twp
1935 Residence (County)	Woodbury
Occupation	farmer
Industry	farm
Class of Worker	OA
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links John Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Murphy (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Patrick Murphy

b. ~1865

Source father

● Household · direct · ~0.92

This person

Anchor record

John Murphy

Head · 1940 · age 26 · b. ~1914 · Iowa

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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 — Woodbury-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01214-00250)

Line	Name	Age	Relation	Occupation	Birthplace
1	Dorothy Cornils	18	Head	—	Iowa
2	Henry E. Cornils	27	Head	Farmer	Iowa
3	Mildred Cornils	27	wife	—	Iowa
4	Le Ann Cornils	3	Daughter	—	Iowa
5	Roy L. Janssen	32	Head	Farmer	Iowa
6	Gertrut Janssen	30	wife	—	Iowa
7	Eunice Janssen	11	Daughter	—	Iowa
8	Eugene Janssen	9	Son	—	Iowa
9	Richard Janssen	7	Son	—	Iowa
10	Janice Janssen	3	Daughter	—	Iowa
11	Mrs Mary Lantz	57	Head	—	Iowa
12	Esther Lantz	21	Daughter	—	Iowa
13	Everett Miller	26	Boarder	Farmer	Iowa
14	Herman Feddersen	48	Head	Farmer	Iowa
15	Helena Feddersen	44	wife	—	Iowa
16	Raymond Feddersen	22	Son	Helper	Iowa
17	Herman Jr Feddersen	20	Son	Helper	Iowa
18	Kenneth Feddersen	16	Son	Laborer	Iowa
19	Ross Feddersen	14	Son	—	Iowa
20	Phyllis Feddersen	13	Daughter	—	Iowa
21	Robert Feddersen	11	Son	—	Iowa
22	Eugene Feddersen	9	Son	—	Iowa
23	Lorraine Feddersen	8	Daughter	—	Iowa
24	Joan Feddersen	5	Daughter	—	Iowa
25	John Murphy THIS PERSON	26	Head	Farmer	Iowa
26	Anne Murphy	24	wife	—	Iowa
27	Barbara Ann Murphy	3	Daughter	—	Iowa
28	Judith Jean Murphy	2	Daughter	—	Iowa
29	Thomas Murphy	33	Head	Farmer	Iowa
30	Lenora Murphy	22	wife	—	Iowa
31	Beverly Jean Murphy	7	Daughter	—	Iowa
32	Patrick Murphy	5	Son	—	Iowa
33	J. A. Le Moine	38	Head	Farmer	Iowa
34	Louis Wacheldorf	32	Head	Farmer	Iowa
35	Benhart Wacheldorf	31	Brother	Farmer	Iowa
36	Freda Wacheldorf	37	Sister	—	Iowa
37	Henrietta Wacheldorf	64	Mother	—	Iowa
38	Emil Wacheldorf	34	Head	Farmer	Iowa
39	Leona Wacheldorf	34	wife	—	Iowa
40	Elmer Wacheldorf	17	Son	Helper	Iowa

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Pedigree Summary

John

Gen 1 · 1 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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