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John Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this John Murphy across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Michael & Timothy — first a son (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Telegraph Operator |
| Industry | Telegraph Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1328 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Telegraph Operator |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1903 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Murphy | Daughter | — | 31 | ~1909 |
| Mary Murphy | Head | — | 55 | ~1885 |
| John Rees | Other | — | 53 | ~1887 |
| Frank Murphy | Son | — | 33 | ~1907 |
| John Murphy | Son | — | 37 | ~1903 |
Census Appearances
1910
San Francisco, …
Son, age 8
San Francisco, California · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 18
San Francisco, California · implied b. ~1902 — 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 | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mechanic |
| Industry | Shipyard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 27
San Francisco, California · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | WW |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 37
San-Francisco-County, California · implied b. ~1903 — 5 household members
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Occupation | Telegraph Operator |
| Industry | Telegraph Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1328 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 John Murphy across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Murphy (~0.92 confidence) and father Timothy Murphy (~0.92 confidence) and father Timothy Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence) and mother Ina Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Murphy
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Timothy Murphy
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Timothy Murphy
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ina Murphy
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murphy
Son · 1940 · age 37 · b. ~1903 · California
★ You are viewing this record
Sibling
Frank Murphy
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Murphy
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00314-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nello Bendenelli | 27 | Head | Bank Teller | California |
| 2 | Emma Bendenelli | 24 | Wife | — | California |
| 3 | Jerry Bendenelli | 4 | Son | — | California |
| 4 | Herbert Moore | 57 | Head | Janitor-Bartender | California |
| 5 | Bianchi Joachim | 46 | Lodger | Dishwasher | Italy |
| 6 | Charles R. Higgins | 40 | Head | Stationary Engineer | California |
| 7 | Edrie Higgins | 45 | Wife | — | California |
| 8 | Able D. Tallfor | 45 | Head | Mangle Operator | France |
| 9 | Justin Tallfor | 25 | Son | — | California |
| 10 | Marlin Tallfor | 45 | Son | — | California |
| 11 | Norman Duane | 36 | Head | Police Officer | California |
| 12 | Elizabeth Duane | 32 | Wife | — | California |
| 13 | Adele Duane | 4 | Daughter | — | California |
| 14 | Michael M. Duane | 3 | Son | — | California |
| 15 | Arnold Guidly | 31 | Head | Real Estate Salesman | California |
| 16 | Elsie Guidly | 31 | Wife | — | Washington |
| 17 | Edwin P. Schrock | 50 | Head | Grocery Clerk | Ohio |
| 18 | Josephine Schrock | 47 | Wife | — | California |
| 19 | Edwin Jr. Schrock | 27 | Son | Service Clerk | California |
| 20 | William H. Smith | 41 | Head | Fire Dept Captain | California |
| 21 | Lucile Smith | 42 | Wife | Public School Teacher | California |
| 22 | Nathan Frankel | 43 | Head | Window Trimmer | Russia |
| 23 | Edna Frankel | 37 | Wife | — | New Mexico |
| 24 | Robert Frankel | 12 | Son | — | California |
| 25 | Harry Jacobson | 66 | Father-in-law | — | Russia |
| 26 | Mary Murphy | 55 | Head | Alteration Dept | California |
| 27 | John Murphy THIS PERSON | 37 | Son | Telegraph Operator | California |
| 28 | Frank Murphy | 33 | Son | Chauffeur | California |
| 29 | Gertrude Murphy | 31 | Daughter | Telegraph Operator | California |
| 30 | John Rees | 53 | Lodger | Machinery Broker | Wales |
| 31 | Cullen Aranguren | 52 | Head | — | Spain |
| 32 | Marie D. Aranguren | 27 | Daughter | Hatter Saleswoman | California |
| 33 | Teresa Aranguren | 20 | Daughter | Record Clerk | California |
| 34 | Louise Morgan | 17 | Lodger | — | California |
| 35 | Ethel Bumi | 32 | Head | — | Texas |
| 36 | Eleanore Bumi | 29 | Sister-in-law | Office Nurse | Minnesota |
| 37 | Florence Bumi | 24 | Sister-in-law | Dental Assistant | Minnesota |
| 38 | Howard P. Noack | 35 | Head | 40 | California |
Related Census Records
Pedigree Summary
John + 2 siblings
Gen 1 · 7 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)