WG
Walter Gray — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this Walter Gray across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 6-person household.
Age 41
b. ~1879
Male
Head
Born: Illinois
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Gray |
| Given Name | Walter F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Motorman |
| Industry | Streetcar |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Motorman |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1879 |
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 1920 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| James Gray | Son | — | 10 | ~1910 |
| Mary Gray | Spouse | — | 40 | ~1880 |
| William Gray | Son | — | 12 | ~1908 |
| Mary Gray | Daughter | — | 10 | ~1910 |
| Ernest Gray | Son | — | 7 | ~1913 |
| Walter Gray | Head | — | 41 | ~1879 |
Census Appearances
1920
San Francisco, …
Head, age 41
San Francisco, California · implied b. ~1879 — 6 household members
| Surname | Gray |
| Given Name | Walter F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Occupation | Motorman |
| Industry | Streetcar |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
San Francisco, …
Head, age 51
San Francisco, California · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Walker E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Occupation | Motorman |
| Industry | Street Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10,000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
San-Francisco-County, California
Head, age 61
San-Francisco-County, California · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Walker E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Motorman |
| Industry | Street Railway |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 456 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Walter Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Walter Gray
Head · 1920 · age 41 · b. ~1879 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu142unit:0236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F Marts | 28 | Head | Engineer | California |
| 2 | Katherine M Marts | 25 | Wife | — | California |
| 3 | John F Marts | 66 | Father | Laborer | England |
| 4 | Harry F Marts | 27 | Brother-in-law | Student | California |
| 5 | Vivian L Marts | 19 | Sister-in-law | — | California |
| 6 | Thomas Gordoe | 66 | Head | — | Wales |
| 7 | Jane Gordoe | 66 | Wife | — | California |
| 8 | Charles Schumacher | 46 | Head | — | California |
| 9 | Jennie Schumacher | 22 | Daughter | Waitress | California |
| 10 | Emelia Schumacher | 20 | Daughter | Stock Clerk | California |
| 11 | Raymond Schumacher | 16 | Son | Errand Boy | California |
| 12 | Marie Schumacher | 13 | Daughter | — | California |
| 13 | Albert Schumacher | 10 | Son | — | California |
| 14 | Patrick H Condon | 60 | Head | Clerk | Ireland |
| 15 | Eileen Condon | 58 | Wife | — | Ireland |
| 16 | Helen A Condon | 25 | Daughter | Saleslady | California |
| 17 | Walter F Gray THIS PERSON | 41 | Head | Motorman | Illinois |
| 18 | Mary G Gray | 40 | Wife | — | Ireland |
| 19 | William W Gray | 12 | Son | — | California |
| 20 | Mary H Gray | 10 | Daughter | — | California |
| 21 | James J Gray | 10 | Son | — | California |
| 22 | Ernest E Gray | 7 | Son | — | California |
| 23 | Ann E Williams | 64 | Head | — | Missouri |
| 24 | Angela Malin | 53 | Head | — | France |
| 25 | Gabriela Malin | 28 | Son | Messenger | California |
| 26 | Fred W Clausen | 31 | Head | Storekeeper | California |
| 27 | Florence B Clausen | 27 | Wife | — | California |
| 28 | Leo F Clausen | 10 | Son | — | California |
| 29 | Henry V Clausen | 8 | Son | — | Washington |
| 30 | Fred W Clausen | 7 | Son | — | Washington |
| 31 | Edward J Clausen | 5 | Son | — | California |
| 32 | Alphonse Sarrazin | 58 | Head | Cook | France |
| 33 | Martha Sarrazin | 50 | Wife | Housework | France |
| 34 | Tamasaburo Yamamoto | 41 | Head | Gardener | Japan |
| 35 | David H Hayes | 41 | Head | Chauffeur | California |
| 36 | Georgie H Hayes | 25 | Wife | — | California |
| 37 | Annie E Eggers | 80 | Mother-in-law | — | New York |
| 38 | William H Mathewson | 48 | Head | Manager | California |
| 39 | Juanita M Mathewson | 40 | Wife | — | California |
| 40 | Nelson W Mathewson | 10 | Son | — | California |
| 41 | Augusta M Mathewson | 9 | Daughter | — | California |
| 42 | Henry A Mathewson | 5 | Son | — | California |
| 43 | Marie K Mathewson | 3 | Daughter | — | California |
| 44 | Elizabeth L Mathewson | 0 | Daughter | — | California |
| 45 | William J Shearer | 41 | Head | Painter | Iowa |
| 46 | Bertha Shearer | 41 | Wife | Clerk | California |
| 47 | Lowell Mcnamara | 14 | Step-son | — | California |
| 48 | Belle M Foy | 52 | Head | Chambermaid | Illinois |
| 49 | Charles F Langer | 57 | Head | Pharmacist | Russia |
| 50 | Hazel S Langer | 47 | Wife | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)