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Theodore Williams — 1920 US Census Record
Model Tree available1920 United States Federal Census · Alameda, California
Our Model Tree links this Theodore Williams across the 1900, 1910 and 1920 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1893), then head of a 4-person household.
Age 27
b. ~1893
Male
Head
Born: Washington
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Alameda, California |
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | machinist |
| Industry | machine shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Machinist |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1893 |
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 1920 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Theodore Williams | Head | — | 27 | ~1893 |
| Lillian Williams | Daughter | — | ~1920 | |
| Leo Williams | Son | — | 1 | ~1919 |
| Lillian Williams | Spouse | — | 25 | ~1895 |
Census Appearances
1900
Sonoma, California
Son, age 8
Sonoma, California · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Theodore S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Birth Month | Apr |
| Birth Year | 1892 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
Sonoma, California
Son, age 18
Sonoma, California · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Theodore V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Alameda, California
Head, age 27
Alameda, California · implied b. ~1893 — 4 household members
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Occupation | machinist |
| Industry | machine shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Theodore Williams across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: father James Williams (~0.92 confidence) and father James Williams (~0.92 confidence) and mother Elizabeth Williams (~0.92 confidence) and mother Elizabeth Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Williams
b. ~1853
Source father
● Household
· direct · ~0.92
Father
James Williams
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Williams
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Williams
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Williams
Head · 1920 · age 27 · b. ~1893 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Alameda, California
Open full size
1920 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu090unit:0744)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Clara M De Vries | 22 | wife | None | California |
| 52 | Joyce M De Vries | 0 | daughter | None | California |
| 53 | Matthias Anthony G De Vries | 36 | boarder | None | Indiana |
| 54 | Robert B Von Nam | 61 | head | Selling Agent | Germany |
| 55 | Augusta F Von Nam | 51 | wife | None | Staten Island |
| 56 | Amos H Reichardt | 52 | head | Nurse | Germany |
| 57 | Herman A Reichardt | 27 | son | None | Germany |
| 58 | Martha L Reichardt | 26 | daughter | None | Illinois |
| 59 | Lila Reichardt | 24 | daughter | Distributor | Illinois |
| 60 | Emile S Reichardt | 20 | daughter | Press Feeder | Illinois |
| 61 | Martin Bendell | 31 | head | Glass Checker | Illinois |
| 62 | Florence M Bendell | 27 | wife | None | Norway |
| 63 | George E Bendell | 6 | son | None | California |
| 64 | Van Ness Taylor | 34 | head | Auto Mechanic | California |
| 65 | Myrtle E Taylor | 36 | wife | None | California |
| 66 | Van Ness J Taylor | 8 | son | None | California |
| 67 | Theodore Williams THIS PERSON | 27 | head | Machinist | Washington |
| 68 | Lillian V Williams | 25 | wife | None | Ireland |
| 69 | Leo H Williams | 1 | son | None | Washington |
| 70 | Lillian E Williams | 0 | daughter | None | California |
| 71 | Ivan L Frickstad | 36 | head | Architect | California |
| 72 | Kathryn Frickstad | 39 | wife | None | Illinois |
| 73 | Marion M Frickstad | 12 | daughter | None | California |
| 74 | Verna Frickstad | 11 | daughter | None | California |
| 75 | Kathryn S Frickstad | 9 | daughter | None | California |
| 76 | Henry B Amis | 60 | boarder | Accountant | New York |
| 77 | Edward M Hardwick | 36 | head | Mariner | California |
| 78 | Mada V Hardwick | 32 | wife | None | South Carolina |
| 79 | Edward N Hardwick | 57 | head | Mariner | California |
| 80 | Jane T Hardwick | 49 | wife | None | Washington |
| 81 | Blake P Hardwick | 20 | son | Auto Mechanic | California |
| 82 | David N Hardwick | 18 | son | Rivet Passer | California |
| 83 | Emily Tyrell | 34 | boarder | None | California |
| 84 | Arthur B Webb | 33 | head | Caulker | California |
| 85 | Irene G Webb | 30 | wife | None | California |
| 86 | Frank H Lambert | 54 | father-in-law | Printer | California |
| 87 | Anne E Lambert | 45 | mother-in-law | None | California |
| 88 | Rosa W Platt | 56 | head | Machinist | North Carolina |
| 89 | Harriet Platt | 18 | daughter | None | North Carolina |
| 90 | Warren S White | 52 | head | None | Ohio |
| 91 | Eliza T Marquis | 58 | head | Moulder | Missouri |
| 92 | Martha S Marquis | 45 | wife | None | California |
| 93 | Hazel A Hammond | 20 | sister-in-law | Cashier | California |
| 94 | Ida B Cook | 60 | head | None | New York |
| 95 | Arthur Cook | 40 | son | Clerk | Connecticut |
| 96 | Jasper J Warren | 40 | head | Chipper | Ireland |
| 97 | Catherine V Warren | 40 | wife | None | Ireland |
| 98 | Marquis L Hill | 54 | head | Brakeman | New York |
| 99 | Gertrude P Hill | 44 | wife | None | California |
| 100 | Gertrude L Hill | 18 | daughter | Stenographer | California |
Pedigree Summary
Theodore
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 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)