WM
William Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this William Murphy across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Frank & Elizabeth — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Murphy |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Marine Engineer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Marine Engineer |
| Township / Ward | Portland City |
| Est. Birth Year | ~1909 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Murphy | Daughter | — | 18 | ~1922 |
| Frank Murphy | Head | — | 55 | ~1885 |
| William Murphy | Son | — | 31 | ~1909 |
| Elizabeth Murphy | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Multnomah, Oregon
Son, age 11
Multnomah, Oregon · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Multnomah, Oregon
Son, age 22
Multnomah, Oregon · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | Oiler |
| Industry | Richfield Oil Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Multnomah-County, Oregon
Son, age 31
Multnomah-County, Oregon · implied b. ~1909 — 4 household members
| Surname | Murphy |
| Given Name | William G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Marine Engineer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 William Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Murphy (~0.92 confidence) and mother Elizabeth Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Murphy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Murphy
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Murphy
Son · 1940 · age 31 · b. ~1909 · Oregon
★ You are viewing this record
Sibling
Rosemary Murphy
Sibling · 1940 · age 18
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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03390-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew M Hansen | 66 | Head | Tallyman | Denmark |
| 42 | Ida M Hansen | 61 | Wife | — | Denmark |
| 43 | Frank G Murphy | 55 | Head | Electrician | Indiana |
| 44 | Elizabeth H Murphy | 52 | Wife | — | Ohio |
| 45 | William G Murphy THIS PERSON | 31 | Son | Marine Engineer | Indiana |
| 46 | Rosemary Murphy | 18 | Daughter | — | Oregon |
| 47 | John Mccallum | 65 | Head | — | Canada Eng |
| 48 | Dorothy Mccallum | 43 | Wife | — | England |
| 49 | John D Jr Mccallum | 20 | Son | Insurance Salesman | Oregon |
| 50 | Roderick C Mccallum | 18 | Son | Mechanic | Oregon |
| 51 | Aug G Olson | 47 | Head | Truck Driver | Sweden |
| 52 | Mabel Olson | 48 | Wife | — | Nebraska |
| 53 | Royce Olson | 17 | Son | Janitor | Minnesota |
| 54 | Isadora Van Cleave | 76 | Mother-in-law | — | Iowa |
| 56 | Henry D Finemore | 37 | Head | Mechanic | Nebraska |
| 57 | Edna F Finemore | 36 | Wife | — | Indiana |
| 58 | Rose I Finemore | 3 | Daughter | — | Oregon |
| 59 | M Ward Powell | 30 | Head | Technical Examiner | Washington |
| 60 | Evelyn S Powell | 29 | Wife | — | Oregon |
| 61 | Thaddeus H Cherninchi | 41 | Head | Mail Carrier | Oregon |
| 62 | Ruby May Cherninchi | 36 | Wife | — | Oregon |
| 63 | Ted Arlen Cherninchi | 6 | Son | — | Oregon |
| 64 | Donald Lee Cherninchi | 5 | Son | — | Oregon |
| 65 | Leslie J Hgalde | 48 | Head | Mail Carrier | Washington |
| 66 | Mamie Hgalde | 40 | Wife | — | Oregon |
| 67 | Pina Hgalde | 72 | Mother | — | California |
| 68 | Ray A Mckee | 36 | Head | Salesman | Kentucky |
| 69 | Christine Mckee | 29 | Wife | Teacher | Oregon |
| 70 | Janet C Mckee | 3 | Daughter | — | Oregon |
| 71 | Lucile Michaels | 19 | Maid | Housework | North Dakota |
| 72 | John L Heis | 56 | Head | Freight Keeper | Oregon |
| 73 | Irene G Heis | 35 | Wife | — | Oregon |
| 74 | Carl W Perkins | 31 | Head | Truck Driver | Washington |
| 75 | Irene Perkins | 27 | Wife | — | Oregon |
| 76 | Carl Jr Perkins | 4 | Son | — | Oregon |
| 77 | Fred C Shirakawa | 61 | Head | Elevator Man | Germany |
| 78 | Blanche Shirakawa | 47 | Wife | — | Oregon |
| 79 | Gladys Shirakawa | 17 | Daughter | — | Oregon |
| 80 | William S Biemans | 59 | Head | Telephone Man | Oregon |
Related Census Records
Pedigree Summary
William + 1 sibling
Gen 1 · 2 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)