Joseph Murphy — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this Joseph Murphy across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Clara — first a head (b.~1904), then head of a 5-person household.

Age 36 b. ~1904 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Iowa
Surname	Murphy
Given Name	Joseph F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Additional Details
Occupation	Pharmacist
Industry	Drug
Class of Worker	OA
Hours Worked	60
Highest Grade	Hs 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Pharmacist
Township / Ward	Des Moines City
Est. Birth Year	~1904

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 Joseph	Age	Birth yr
Beverly Murphy	Daughter	—	7	~1933
Geraldine Murphy	Daughter	—	4	~1936
Shirley Murphy	Daughter	—	4	~1936
Joseph Murphy	Head	—	36	~1904
Agnes Murphy	Spouse	—	37	~1903

Census Appearances

1920

Polk, Iowa

Son, age 15

Polk, Iowa · implied b. ~1905 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Murphy
Given Name	Joseph F
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Polk, Iowa

Head, age 25

Polk, Iowa · implied b. ~1905 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Murphy
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	24
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Clerk
Industry	Drug Store
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	35
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Polk-County, Iowa

Head, age 36

Polk-County, Iowa · implied b. ~1904 — 5 household members

Surname	Murphy
Given Name	Joseph F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Occupation	Pharmacist
Industry	Drug
Class of Worker	OA
Hours Worked	60
Highest Grade	Hs 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Clara Murphy

b. ~1873

Source mother

● Household · direct · ~0.92

This person

Anchor record

Joseph Murphy

Head · 1940 · age 36 · b. ~1904 · 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 — Polk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01195-00106)

Line	Name	Age	Relation	Occupation	Birthplace
1	Doris Knight	15	Daughter	—	Mo
2	Marion Morrison	77	Head	—	Iowa
3	Margrete Morrison	77	Wife	—	England
4	Arvilla Morrison	55	Daughter	Bookkeeper	Iowa
5	Frances Morrison	50	Son	Meat Cutter	Iowa
6	George R. Ash	24	Head	Labor	Neb
7	Lillian Ash	26	Wife	—	Neb
8	George Ash	1	Son	—	Colo
9	Jewell Ash	46	Mother	Clerk	Kansas
10	George W. Zook	68	Grandfather	Watchman	Ind
11	Leo Graham	43	Lodger	Janitor	Iowa
12	Joseph F. Murphy THIS PERSON	36	Head	Pharmacist	Iowa
13	Agnes Murphy	37	Wife	—	Iowa
14	Beverly Murphy	7	Daughter	—	Neb
15	Geraldine Murphy	4	Daughter	—	Iowa
16	Shirley Murphy	4	Daughter	—	Iowa
17	John W. Jenney	75	Head	Owner	Iowa
18	Norman T. Jenney	43	Son	Part Owner	Iowa
19	Madaline Jenney	41	Daughter-in-law	—	Ill
20	John W. Jenney	12	Grandson	—	Iowa
21	Rosabell Martin	68	Sister-in-law	—	Iowa
22	Sara J. Watson	67	Lodger	—	Iowa
23	Adah Simpson	57	Head	—	Iowa
24	Lorraine Simpson	32	Wife	Secy	Iowa
25	Dorothy Vestal	33	Daughter	Beauty Opr.	Iowa
26	John Simpson	26	Son	—	Iowa
27	Robert Simpson	25	Son	Janitor	Iowa
28	Betty Simpson	20	Daughter	Saleslady	Iowa
29	Niona Simpson	5	Granddaughter	—	Iowa
30	Charles B. Mckee	49	Head	Pressman	Iowa
31	Anna Mckee	51	Wife	—	Sweden
32	John Kennedy	30	Head	Artist	Polk
33	Juanita Kennedy	23	Wife	—	Mo
34	Arthur Gaul	24	Head	Clerk	Iowa
35	Lorna Gaul	24	Wife	Seamstress	Iowa
36	Howard Beard	39	Head	Printer	Iowa
37	Helene Beard	34	Wife	—	Iowa
38	Ruth Anne Beard	6	Daughter	—	Iowa
39	Mildred M. Matthews	71	Head	Barber	Ill
40	Flora Matthews	71	Wife	—	Ill

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Pedigree Summary

Joseph

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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