WM
William Murray — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this William Murray across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Foreman |
| Industry | Draying Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 316 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Foreman |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Ellen Murray | Daughter | — | 45 | ~1895 |
| Gertrude Murray | Daughter | — | 37 | ~1903 |
| Mary Murray | Head | — | 70 | ~1870 |
| William Murray | Son | — | 39 | ~1901 |
Census Appearances
1910
San Francisco, …
Son, age 9
San Francisco, California · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | William J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 19
San Francisco, California · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Occupation | Shipping clerk |
| Industry | Drayage Co. |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 29
San Francisco, California · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 39
San-Francisco-County, California · implied b. ~1901 — 4 household members
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Foreman |
| Industry | Draying Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 316 |
| Highest Grade | No 8 |
| 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 William Murray across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Murray (~0.92 confidence) and mother Mary Murray (~0.92 confidence) and mother Mary Murray (~0.92 confidence) and mother Mary Murray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Murray
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Murray
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Murray
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Murray
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Murray
Son · 1940 · age 39 · b. ~1901 · California
★ You are viewing this record
Sibling
Gertrude Murray
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Murray
Sibling · 1940 · age 45
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
40 people indexed on this census page (nara:1940:m-t0627-00312-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Walter Cont'D | 81 | Father | — | Wisconsin |
| 42 | Carl Mckown Cont'D | 75 | Lodger | — | California |
| 43 | Thomas F. O'Neil | 43 | Head | Salesman | California |
| 44 | Lillian O'Neil | 47 | Wife | Dressmaker | England |
| 45 | Mary Murray | 70 | Head | — | New York |
| 46 | Ellen Murray | 45 | Daughter | — | California |
| 47 | William Murray THIS PERSON | 39 | Son | Foreman | California |
| 48 | Gertrude M. Murray | 37 | Daughter | Stenographer | California |
| 49 | Herbert R. Larist | 59 | Head | Agent | Ohio |
| 50 | Janet Larist | 52 | Wife | — | Nevada |
| 51 | William Mancke | 56 | Head | Mgr. Military | South Carolina |
| 52 | Olevine Mancke | 53 | Wife | — | Wisconsin |
| 53 | Mae E. Plant | 75 | Mother in law | — | Pennsylvania |
| 54 | Krikor Maghakian | 53 | Head | Tailoring | Turkey |
| 55 | Agnes Maghakian | 42 | Wife | — | Turkey |
| 56 | Arthur Maghakian | 11 | Son | — | California |
| 57 | Mercedes Espriella | 44 | Head | — | Colombia |
| 58 | Cecilia Espriella | 14 | Daughter | — | Colombia |
| 59 | Edward Espriella | 16 | Son | — | Colombia |
| 60 | Oscar Gomez | 18 | Nephew | — | Colombia |
| 61 | Joaquin Gomez | 17 | Nephew | — | Colombia |
| 62 | Hernan Gomez | 15 | Nephew | — | Colombia |
| 63 | Jacob Krier | 53 | Head | Salesman | Roumania |
| 64 | Margaret Krier | 55 | Wife | — | Jugoslavia |
| 65 | Theresa Krier | 30 | Daughter | Registered Trained Nurse | North Dakota |
| 66 | Elizabeth Krier | 28 | Daughter | Registered Nurse | North Dakota |
| 67 | Helen Krier | 25 | Daughter | Registered Nurse | North Dakota |
| 68 | Peter Meissner | 28 | Nephew | Dairy Worker | North Dakota |
| 69 | Andrew Armstrong | 70 | Head | Teller | Scotland |
| 70 | Agnes Armstrong | 66 | Wife | — | California |
| 71 | Maybelle Armstrong | 39 | Daughter | Secretary | California |
| 72 | William J. White | 61 | Head | Cash Keeper | Oregon |
| 73 | Anna S. White | 58 | Wife | — | California |
| 74 | William J. Jr. White | 22 | Son | — | California |
| 75 | Albert S. Hayward | 45 | Head | Salesman | Montana |
| 76 | Marjorie Hayward | 45 | Wife | — | Missouri |
| 77 | Harry A. Hayward | 17 | Son | — | California |
| 78 | Martin G. Henney | 48 | Head | Floor Man | California |
| 79 | Emma Henney | 42 | Wife | — | California |
| 80 | Anne E. Henney | 16 | Daughter | — | California |
Related Census Records
Pedigree Summary
William + 2 siblings
Gen 1 · 4 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)