WC
William Chambers — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this William Chambers across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 8-person household.
Age 56
b. ~1864
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Chambers |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | machinist |
| Industry | Supt. |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1864 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ida Chambers | Spouse | — | 41 | ~1879 |
| George Chambers | Son | — | 9 | ~1911 |
| Dorothy Chambers | Daughter | — | 11 | ~1909 |
| Ruth Chambers | Daughter | — | 14 | ~1906 |
| William Chambers | Head | — | 56 | ~1864 |
| Florence Chambers | Daughter | — | 4 | ~1916 |
| Elizabeth Chambers | Other | — | 78 | ~1842 |
| Arthur Chambers | Son | — | 6 | ~1914 |
Census Appearances
1900
San Francisco, …
Head, age 36
San Francisco, California · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Nov |
| Birth Year | 1864 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
San Francisco, …
Head, age 45
San Francisco, California · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 8 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Superintendent |
| Industry | Brick Yard |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
San Francisco, …
Head, age 56
San Francisco, California · implied b. ~1864 — 8 household members
| Surname | Chambers |
| Given Name | William H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | machinist |
| Industry | Supt. |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Chambers across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
William Chambers
Head · 1920 · age 56 · b. ~1864 · 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:1920:14thcensusofpopu141unit:0335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Karl Holzmuller | 3 | Son | — | California |
| 52 | Herbert C Arndt | 33 | Head | Dentist | Washington DC |
| 53 | Sophie J Arndt | 30 | Wife | — | California |
| 54 | Adelle Beatrice Arndt | 16 | Niece | — | California |
| 55 | Henry C Callender | 47 | Head | Machinist | California |
| 56 | Mary Callender | 47 | Wife | — | California |
| 57 | Evelyn M Callender | 22 | Daughter | Stenographer | California |
| 58 | Helen J Callender | 19 | Daughter | Stenographer | California |
| 59 | Harry A Callender | 14 | Son | — | California |
| 60 | Charles E Paddon | 36 | Head | Real Estate | Ireland |
| 61 | Evelynne C Paddon | 29 | Wife | — | Kentucky |
| 62 | Patricia E Paddon | 3 | Daughter | — | California |
| 63 | Tofie Pyttara | 26 | Maid | Servant | Finland |
| 64 | William H Dreyer | 40 | Head | Plasterer | Kansas |
| 65 | Viola A Dreyer | 47 | Wife | — | Michigan |
| 66 | Willie H Bell | 60 | Head | Sales Mgr. | Illinois |
| 67 | Dora L Bell | 50 | Wife | — | Iowa |
| 68 | Berthold Zinsburg | 40 | Groceries | Salesman | California |
| 69 | Catherine Zinsburg | 39 | Wife | — | California |
| 70 | Alice Zinsburg | 15 | Daughter | — | California |
| 71 | Berthold Zinsburg | 12 | Son | — | California |
| 72 | Miriam Zinsburg | 8 | Daughter | — | California |
| 73 | William F Whiteman | 37 | Head | Claim Agent | Ohio |
| 74 | Adelaide A Whiteman | 34 | Wife | — | Illinois |
| 75 | John P Costello | 30 | Head | Tire Dealer | Ireland |
| 76 | Lucy M Costello | 30 | Wife | — | Pennsylvania |
| 77 | John P Costello | 8 | Son | — | California |
| 78 | Marie E Costello | 6 | Daughter | — | California |
| 79 | Lena Bauman | 62 | Head | — | Germany |
| 80 | Arthur H Pratt | 31 | Son-in-law | Mechanic | California |
| 81 | Emma E Pratt | 32 | Daughter | — | Germany |
| 82 | William A Pratt | 2 | Grandson | — | California |
| 83 | Ida M Hartzell | 54 | Head | Clerk | Colorado |
| 84 | Ross C Hartzell | 23 | Son | Teacher | Colorado |
| 85 | Ida M Wibber | 33 | Boarder | Cleaning & Dyeing | California |
| 86 | Nicholas F Neubauer | 34 | Head | — | California |
| 87 | Meta A Neubauer | 32 | Wife | — | California |
| 88 | Dorothy A Neubauer | 7 | Daughter | — | California |
| 89 | Philipina Albrecht | 51 | Mother-in-law | — | New York |
| 90 | William H Chambers THIS PERSON | 56 | Head | Machinist | Pennsylvania |
| 91 | Ida E Chambers | 41 | Wife | — | California |
| 92 | Ruth E Chambers | 14 | Daughter | — | California |
| 93 | Dorothy J Chambers | 11 | Daughter | — | California |
| 94 | George J Chambers | 9 | Son | — | California |
| 95 | Arthur J Chambers | 6 | Son | — | California |
| 96 | Florence Chambers | 4 | Daughter | — | California |
| 97 | Elizabeth A Chambers | 78 | Mother | — | Pennsylvania |
| 98 | Louis Fabrini | 28 | Head | Fruit Dealer | Italy |
| 99 | Ida Fabrini | 22 | Wife | — | California |
| 100 | Alfred Fabrini | 3 | Son | — | 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)