RR
Robert Robinson — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Francisco, California
Our Model Tree links this Robert Robinson across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1893), then head of a 6-person household.
Age 27
b. ~1893
Male
Son
Born: California
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Robinson |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Clerk |
| Industry | Oil |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mildred Robinson | Daughter | — | 24 | ~1896 |
| Robert Robinson | Head | — | 49 | ~1871 |
| Florence Robinson | Other | — | 3 | ~1917 |
| Florence Robinson | Other | — | 24 | ~1896 |
| Robert Robinson | Son | — | 27 | ~1893 |
| Grace Robinson | Spouse | — | 44 | ~1876 |
Census Appearances
1900
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Aug |
| Birth Year | 1893 |
| Father's Birthplace | California |
| Mother's Birthplace | Ohio |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Son, age 16
San Francisco, California · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Ohio |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 27
San Francisco, California · implied b. ~1893 — 6 household members
| Surname | Robinson |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Ohio |
| Occupation | Clerk |
| Industry | Oil |
| 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 Robert Robinson across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: father Robert Robinson (~0.92 confidence) and father Robert Robinson (~0.92 confidence) and father Robert Robinson (~0.92 confidence) and mother Grace Robinson (~0.92 confidence) and mother Grace Robinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Robinson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Robert Robinson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Robert Robinson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Grace Robinson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Grace Robinson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Robinson
Son · 1920 · age 27 · b. ~1893 · California
★ You are viewing this record
Sibling
Mildred Robinson
Sibling · 1920 · age 24
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
43 people indexed on this census page (ia:1920:14thcensusofpopu142unit:0884)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Vestina Smith | 27 | Daughter | Student | California |
| 52 | F. Goal | 35 | Head | Repairer | California |
| 53 | Charles H. Souther | 62 | Head | Broker | Massachusetts |
| 54 | Edward J. Blanchard | 41 | Head | Clerk | California |
| 55 | Louise G. Blanchard | 39 | Wife | — | California |
| 56 | Edward H. Blanchard | 10 | Son | — | California |
| 57 | Anna Dietrich | 54 | Head | Housekeeper | Baden |
| 58 | Rose Donigan | 40 | Head | Tailor | California |
| 59 | Mary A. Donigan | 36 | Sister | Folder | California |
| 60 | Alfred S. Donigan | 34 | Brother | Fitter | California |
| 61 | Mabel Donigan | 25 | Sister | Clerk | California |
| 62 | Mary L. Edwards | 38 | Head | Saleswoman | England |
| 63 | Robert A. Robinson | 49 | Head | Manager | California |
| 64 | Grace Robinson | 44 | Wife | — | Ohio |
| 65 | Mildred Robinson | 24 | Daughter | Clerk | California |
| 66 | Robert J. Robinson THIS PERSON | 27 | Son | Clerk | California |
| 67 | Florence M. Robinson | 24 | Daughter in law | — | Canada |
| 68 | Florence M. Robinson | 3 | Granddaughter | — | California |
| 69 | George H. Williams | 40 | Head | Officer | California |
| 70 | Eda Williams | 39 | Wife | — | California |
| 71 | George H. Jr. Williams | 9 | Son | — | California |
| 72 | Alfred Meixner | 40 | Head | Roller | Germany |
| 73 | Katherine Meixner | 35 | Wife | — | California |
| 74 | Vincent Meixner | 4 | Son | — | California |
| 75 | Edward J. Brown | 50 | Head | Contractor | California |
| 76 | Rose Brown | 50 | Wife | — | Italy |
| 77 | Irene Brown | 21 | Daughter | Saleswoman | California |
| 78 | Robert Brown | 18 | Son | — | California |
| 79 | Edward Brown | 17 | Son | Messenger | California |
| 80 | Geraldine Brown | 15 | Daughter | — | California |
| 81 | Rose Brown | 9 | Daughter | — | California |
| 82 | Genevive Brown | 1 | Daughter | — | California |
| 83 | Frank Saussotte | 46 | Head | Manager | France |
| 84 | Madeline Saussotte | 44 | Wife | — | Ohio |
| 85 | Ruth Saussotte | 15 | Daughter | — | California |
| 86 | Lucile Saussotte | 13 | Daughter | — | California |
| 87 | William Saussotte | 5 | Son | — | California |
| 88 | Franklin Saussotte | 5 | Son | — | California |
| 89 | Justus Dogert | 50 | Head | Polisher | Sweden |
| 90 | Emma Dogert | 50 | Wife | — | Sweden |
| 91 | Justus Jr. Dogert | 21 | Son | Marine | California |
| 92 | Berger Dogert | 19 | Son | — | California |
| 93 | Almer Dogert | 17 | Son | Farmer | California |
Related Census Records
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)