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Gertrude Williams — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Alameda, California
Our Model Tree links this Gertrude Williams across the 1910 and 1920 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 9-person household.
Age 15
b. ~1905
Female
Daughter
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Alameda, California |
| Surname | Williams |
| Given Name | Gertrude G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Operator |
| Township / Ward | San Leandro City |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Williams | Daughter | — | 15 | ~1905 |
| Evelyn Williams | Daughter | — | 10 | ~1910 |
| Amelia Williams | Daughter | — | 17 | ~1903 |
| Manuel Williams | Head | — | 53 | ~1867 |
| Emile Williams | Son | — | 13 | ~1907 |
| Leonard Williams | Son | — | 21 | ~1899 |
| Harold Williams | Son | — | 19 | ~1901 |
| Marion Williams | Son | — | 4 | ~1916 |
| Mary Williams | Spouse | — | 45 | ~1875 |
Census Appearances
1910
Alameda, California
Daughter, age 5
Alameda, California · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Daughter, age 15
Alameda, California · implied b. ~1905 — 9 household members
| Surname | Williams |
| Given Name | Gertrude G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Gertrude Williams across 2 US Census years (1910 and 1920) in Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Williams
Daughter · 1920 · age 15 · b. ~1905 · California
★ You are viewing this record
Sibling
Marion Williams
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Williams
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Williams
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amelia Williams
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Williams
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emile Williams
Sibling · 1920 · age 13
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
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:1920:14thcensusofpopu091unit:1055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Trail | 40 | Head | Nurse | New York |
| 2 | Kathryn Pruitt | 18 | Boarder | — | California |
| 3 | Grant Pruitt | 15 | Boarder | — | California |
| 4 | Antone E. Rosa | 34 | Head | Confectioner | California |
| 5 | Jennie C. Rosa | 27 | Wife | — | California |
| 6 | Bernice L. Rosa | 5 | Daughter | — | California |
| 7 | Roland Rosa | 0 | Son | — | California |
| 8 | Charles Elrod | 36 | Head | Electrician | Indiana |
| 9 | Janetta Elrod | 36 | Wife | — | Pennsylvania |
| 10 | Mary Cunningham | 34 | Sister-in-law | Telephone Operator | Pennsylvania |
| 11 | James H. Riley | 30 | Head | — | California |
| 12 | Pearl G. Riley | 28 | Wife | Machinist | Indiana |
| 13 | Eva C. Riley | 2 | Daughter | Saleswoman | Italy |
| 14 | Milton H. Merriman | 53 | Cousin | Mechanic | Illinois |
| 15 | Grace H. Adams | 69 | Head | — | Iowa |
| 16 | Emma J. Adams | 62 | Wife | — | Michigan |
| 17 | Milton C. Oakes | 53 | Head | Farmer | California |
| 18 | Eulalia Oakes | 51 | Wife | — | California |
| 19 | Hortense Oakes | 18 | Daughter | — | California |
| 20 | Louis Smith | 63 | Head | Gardener | Germany |
| 21 | Anna Smith | 56 | Wife | — | Russia |
| 22 | Grace Smith | 23 | Daughter | Bookkeeper | California |
| 23 | Lester Smith | 21 | Son | — | California |
| 24 | Joseph Williams | 44 | Head | Carpenter | California |
| 25 | Annie Williams | 40 | Wife | — | California |
| 26 | Manuel Andrade | 59 | Head | Plumber | California |
| 27 | Louise Andrade | 55 | Wife | — | Azores |
| 28 | William Andrade | 31 | Son | Messenger | California |
| 29 | Harry Andrade | 25 | Son | — | California |
| 30 | Fred G. Edgington | 45 | Head | Physical Director | Iowa |
| 31 | Mabel S. Edgington | 40 | Wife | — | California |
| 32 | Harold J. Edgington | 9 | Son | — | California |
| 33 | Nellie S. Lawrence | 65 | Mother-in-law | — | Kansas |
| 34 | Michael Killeen | 39 | Head | Blacksmith | Pennsylvania |
| 35 | Sophie Killeen | 39 | Wife | — | Germany |
| 36 | Manuel G. Williams | 53 | Head | — | Portugal |
| 37 | Mary G. Williams | 45 | Wife | — | Portugal |
| 38 | Leonard Williams | 21 | Son | Machinist | California |
| 39 | Harold Williams | 19 | Son | Clerk | California |
| 40 | Amelia G. Williams | 17 | Daughter | — | California |
| 41 | Gertrude G. Williams THIS PERSON | 15 | Daughter | Operator | California |
| 42 | Emile Williams | 13 | Son | — | California |
| 43 | Evelyn Williams | 10 | Daughter | — | California |
| 44 | Marion Williams | 4 | Son | — | California |
| 45 | Peter Haggerty | 44 | Head | Switchman | California |
| 46 | Ella M. Haggerty | 42 | Wife | — | California |
| 47 | Gerald J. Haggerty | 16 | Son | — | California |
| 48 | Manuel J. Freitas | 57 | Head | Contractor | Azores |
| 49 | Mary Freitas | 46 | Wife | — | California |
| 50 | Manuel Freitas | 26 | Son | Watermaker | 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)