GC
George Cook — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Francisco, California
Our Model Tree links this George Cook across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Clarence — first a son (b.~1892), then head of a 3-person household.
Age 28
b. ~1892
Male
Son
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Cook |
| Given Name | George A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Salesman |
| Industry | Commercial |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Salesman |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1892 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Clarence Cook | Head | — | 47 | ~1873 |
| Franklin Cook | Son | — | 13 | ~1907 |
| George Cook | Son | — | 28 | ~1892 |
Census Appearances
1900
San Francisco, …
Other, age 8
San Francisco, California · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Geo |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Jan |
| Birth Year | 1892 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Other, age 18
San Francisco, California · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | George A. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Painter |
| Industry | Furniture House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 28
San Francisco, California · implied b. ~1892 — 3 household members
| Surname | Cook |
| Given Name | George A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Salesman |
| Industry | Commercial |
| 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 George Cook across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: father Clarence Cook (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Cook
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
George Cook
Son · 1920 · age 28 · b. ~1892 · California
★ You are viewing this record
Sibling
Franklin Cook
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 — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu135unit:0280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Agnes Morrison | 30 | Wife | — | Pennsylvania |
| 52 | Walter J Morrison | 9 | Son | — | Canada |
| 53 | Albert W Morrison | 24 | Boarder | — | Missouri |
| 54 | Clarence Cook | 47 | Head | — | California |
| 55 | Franklin A Cook | 13 | Son | — | California |
| 56 | George A Cook THIS PERSON | 28 | Son | Salesman | California |
| 57 | Daniel S Brown | 76 | Head | — | Missouri |
| 58 | Lucinda Brown | 46 | Daughter | Laundress | Missouri |
| 59 | Edgar Griffey | 27 | Head | Metal Worker | California |
| 60 | Daisy Griffey | 48 | Mother | — | Canada |
| 61 | Berthel S Gray | 30 | Head | Machinist | California |
| 62 | Addie Gray | 29 | Wife | — | California |
| 63 | Arthur Howard | 34 | Head | Electrician | Illinois |
| 64 | Mabel Howard | 34 | Wife | — | California |
| 65 | Weston Howard | 11 | Son | — | California |
| 66 | Florence Howard | 8 | Daughter | — | California |
| 67 | Walter Mackey | 36 | Brother in law | Receiving Clerk | California |
| 68 | Margaret Newbert | 74 | Head | — | Ireland |
| 69 | Frank M Newbert | 54 | Son | Metal Worker | California |
| 70 | Helen Newbert | 42 | Daughter | Stenographer | California |
| 71 | Robert Salas | 25 | Head | Teamster | Oregon |
| 72 | Lillian Salas | 27 | Wife | Pipe Fitter | California |
| 73 | Mildred A Salas | 4 | Wife | — | California |
| 74 | John A Salas | 40 | Head | — | California |
| 75 | Thelma Salas | 15 | Daughter | — | California |
| 76 | John F Libby | 48 | Head | Teamster | California |
| 77 | Annie J Libby | 40 | Wife | — | California |
| 78 | Urban J Libby | 14 | Son | — | California |
| 79 | John J Libby | 13 | Son | — | California |
| 80 | John A Libby | 9 | Son | — | California |
| 81 | Philip Culligan | 37 | Head | Fireman | Illinois |
| 82 | Rose Culligan | 34 | Wife | — | California |
| 83 | Philip Culligan | 12 | Son | — | California |
| 84 | Alberta Culligan | 5 | Daughter | — | California |
| 85 | Jack Culligan | 3 | Son | — | California |
| 86 | May Collins | 23 | Lodger | Operator | California |
| 87 | Velva Collins | 5 | Lodger | — | California |
| 88 | Clarence White | 26 | Head | Laborer | California |
| 89 | Margaret White | 24 | Wife | — | California |
| 90 | Margaret Maischen | 63 | Head | — | Germany |
| 91 | Joseph Maischen | 58 | Brother | Cabinet Maker | Germany |
| 92 | Harry Smith | 46 | Head | Blacksmith | Russia |
| 93 | Sarah Smith | 47 | Wife | — | Russia |
| 94 | Benjamin Smith | 22 | Son | Salesman | Russia |
| 95 | Harry Smith | 18 | Son | Errand Boy | Russia |
| 96 | Louis Smith | 16 | Son | Errand Boy | Russia |
| 97 | Arthur Smith | 14 | Son | Errand Boy | Russia |
| 98 | Ida Smith | 12 | Daughter | — | California |
| 99 | Ruth Smith | 8 | Daughter | — | California |
| 100 | Myron Smith | 6 | Son | — | California |
Pedigree Summary
George + 1 sibling
Gen 1 · 1 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)