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Joseph Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Joseph Murphy across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents George & Rose — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Nevada
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Murphy |
| Given Name | Joseph Patrick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Nevada |
| 1935 Residence (City) | Venice Judicial Township |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Buyer |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 136 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
| Occupation | Buyer |
| Township / Ward | Venice Judicial Township |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Rose Murphy | Head | — | 43 | ~1897 |
| Mary Spencer | Other | — | 26 | ~1914 |
| Sarah Hallock | Other | — | 35 | ~1905 |
| Evelyn Mcdonald | Other | — | 43 | ~1897 |
| Joseph Murphy | Son | — | 22 | ~1918 |
| Florence Murphy | Spouse | — | 24 | ~1916 |
Census Appearances
1920
White Pine, …
Son, age 2
White Pine, Nevada · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Nevada |
| Father's Birthplace | Utah |
| Mother's Birthplace | Nevada |
| Occupation | W |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
1930
Los Angeles, …
Son, age 12
Los Angeles, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nevada |
| Father's Birthplace | Utah |
| Mother's Birthplace | Nevada |
| Can Read/Write | Yes |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
1940
Los-Angeles-County, California
Son, age 22
Los-Angeles-County, California · implied b. ~1918 — 6 household members
| Surname | Murphy |
| Given Name | Joseph Patrick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Nevada |
| 1935 Residence (City) | Venice Judicial Township |
| 1935 Residence (County) | Los Angeles |
| Occupation | Buyer |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 136 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Joseph Murphy across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father George Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence) and mother Florence Murphy (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
George Murphy
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Florence Murphy
b. ~1916
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Joseph Murphy
Son · 1940 · age 22 · b. ~1918 · California
★ 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
6 people indexed on this census page (nara:1940:m-t0627-00258-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Murphy | 43 | Head | Maternity Hospital Owner | Nevada |
| 2 | Joseph Patrick Murphy THIS PERSON | 22 | Son | Buyer | Nevada |
| 3 | Florence Murphy | 24 | Wife | Nurse | Minnesota |
| 4 | Sarah Hallock | 35 | Maid | Maid | Connecticut |
| 5 | Evelyn Mcdonald | 43 | Dietician | Dietician | California |
| 6 | Mary Spencer | 26 | Nurse | Nurse | Utah |
Pedigree Summary
Joseph
Gen 1 · 4 parents
~0.84
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)