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Marie Murphy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Marie Murphy across the 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 12-person household.
Age 28
b. ~1912
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Murphy |
| Given Name | Marie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego (city) |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Diego City |
| Est. Birth Year | ~1912 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Darlene Bonham | Daughter | — | 19 | ~1921 |
| George Murphy | Son | — | 32 | ~1908 |
| Edward Dones | Other | — | 10 | ~1930 |
| Vernon Brooker | Head | — | 27 | ~1913 |
| John May | Other | — | 23 | ~1917 |
| Marie Murphy | Son | — | 28 | ~1912 |
| Elmer Parker | Son | — | 14 | ~1926 |
| Rachel Bowen | Other | — | 73 | ~1867 |
| Walter Simmons | Other | — | 39 | ~1901 |
| Dorothy Brooker | Spouse | — | 16 | ~1924 |
| Lena Toss | Other | — | 74 | ~1866 |
| Phillip Morgan | Son | — | 6 | ~1934 |
Census Appearances
1930
San Diego, …
Son, age 18
San Diego, California · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Maurice |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Massachusetts |
| Occupation | Packer |
| Industry | Cannery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Son, age 28
San-Diego-County, California · implied b. ~1912 — 12 household members
| Surname | Murphy |
| Given Name | Marie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego (city) |
| 1935 Residence (County) | San Diego |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Marie Murphy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Murphy
Son · 1940 · age 28 · b. ~1912 · California
★ You are viewing this record
Sibling
Phillip Morgan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Parker
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Murphy
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darlene Bonham
Sibling · 1940 · age 19
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-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00450-00116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Cronin | 58 | Head | — | New Jersey |
| 2 | Elizabeth Cronin | 24 | Daughter | — | District of Columbia |
| 3 | Nellie Cronin | 23 | Daughter | — | Japan |
| 4 | Irene Treadwell | 21 | Lodger | — | Iowa |
| 5 | Lucile Fandy | 26 | Lodger | Photographer | Missouri |
| 6 | Iva Culver | 71 | Wife | — | New York |
| 7 | Charles F. Herrichoff | 63 | Head | — | France |
| 8 | Adeline Kessler | 55 | Servant | Housekeeper | Michigan |
| 9 | Archie R. Hill | 47 | Head | Collector | Michigan |
| 10 | Louise S. Hill | 54 | Wife | School Teacher | Iowa |
| 11 | Robert Gardiner | 62 | Head | — | California |
| 12 | Elizabeth Gardiner | 61 | Wife | — | Wisconsin |
| 13 | George Gardiner | 13 | Son | — | Mexico |
| 14 | Victor Koroki | 24 | Lodger | Metal Worker | Missouri |
| 15 | Janette Roughley | 33 | Wife | — | Iowa |
| 16 | Billy Duger | 17 | Son | Student | California |
| 17 | Robert Masi | 20 | Lodger | Counterman | Wyoming |
| 18 | Robert Meyersburg | 23 | Lodger | Student | New York |
| 19 | Charles Wilshon | 24 | Lodger | Store Helper | Nevada |
| 20 | Joseph Magill | 75 | Head | — | England |
| 21 | Frances Magill | 73 | Wife | — | England |
| 22 | Vernon Brooker | 27 | Head | Fisherman | Missouri |
| 23 | Dorothy Brooker | 16 | Wife | — | New York |
| 24 | Lena E. Toss | 74 | Mother-in-law | — | Germany |
| 25 | Phillip Morgan | 6 | Son | — | Maryland |
| 26 | Elmer Parker | 14 | Son | — | California |
| 27 | Walter Simmons | 39 | Lodger | Butcher | Massachusetts |
| 28 | Edward Dones | 10 | Lodger | — | Illinois |
| 29 | Darlene Bonham | 19 | Daughter | — | California |
| 30 | Rachel Bowen | 73 | Aunt | — | Ohio |
| 31 | John May | 23 | Lodger | Mechanic | Pennsylvania |
| 32 | George Murphy | 32 | Son | — | Pennsylvania |
| 33 | Marie Murphy THIS PERSON | 28 | Son | — | California |
| 34 | Nino Marielli | 50 | Head | Director Of Music | Italy |
| 35 | Adelaide Marielli | 44 | Wife | Office Manager | Illinois |
| 36 | Jack Vogels | 19 | Step-son | — | Tennessee |
| 37 | Rachael Martin | 60 | Maid | Maid | England |
| 38 | Jeanette Sterne | 41 | Lodger | — | Washington |
| 39 | Donald Parmenter | 25 | Son | Clerk | Rhode Island |
| 40 | Charles Scott | 20 | Step-son | Insurance Salesman | Minnesota |
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)