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George Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this George Olson across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents George & Oliver — first a son (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Olson |
| Given Name | George W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Julia Whitney | Other | — | 52 | ~1878 |
| George Olson | Son | — | 21 | ~1909 |
| Edward Olson | Son | — | 19 | ~1911 |
| Oliver Olson | Son | — | 27 | ~1903 |
| Virginia Olson | Daughter | — | 25 | ~1905 |
| Mary Olson | Daughter | — | 23 | ~1907 |
| Oliver Olson | Head | — | 55 | ~1875 |
| Mary Olson | Spouse | — | 54 | ~1876 |
| Theo Lundgren | Other | — | 21 | ~1909 |
Census Appearances
1910
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | George L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | George J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1909 — 9 household members
| Surname | Olson |
| Given Name | George W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | 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 Olson across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father George Olsen (~0.92 confidence) and father Oliver Olson (~0.92 confidence) and father Oliver Olson (~0.92 confidence) and mother Katherine Olsen (~0.92 confidence) and mother Mary Olson (~0.92 confidence) and mother Mary Olson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Olsen
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Oliver Olson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Oliver Olson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Katherine Olsen
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Olson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Olson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Olson
Son · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Sibling
Oliver Olson
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Olson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Olson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Olson
Sibling · 1930 · age 25
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
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
34 people indexed on this census page (ia:1930:californiacensus00reel203:0886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph H Mcevoy | 61 | Head | — | California |
| 2 | Constance L Mcevoy | 49 | Wife | — | California |
| 3 | Lucca H Mcevoy | 23 | Daughter | — | California |
| 4 | Jay O Mcevoy | 20 | Son | — | California |
| 5 | Claire C Mcevoy | 17 | Daughter | — | California |
| 6 | Carl H Burg | 64 | Head | Broker | Sweden |
| 7 | Clara Belle Burg | 54 | Wife | — | Massachusetts |
| 8 | Fanny B Henderson | 30 | Step-daughter | — | California |
| 9 | Muriel F Henderson | 27 | Step-daughter | — | California |
| 10 | Hayward Henderson | 25 | Step-son | — | California |
| 11 | Leo Nelson | 21 | Servant | Servant | Minnesota |
| 12 | Leo W Kay | 47 | Head | Merchant | California |
| 13 | Bertha Kay | 42 | Wife | — | California |
| 14 | William J Kay | 17 | Son | — | California |
| 15 | Herbert L Kay | 13 | Son | — | California |
| 16 | Richard N Kay | 8 | Son | — | California |
| 17 | Lawrence W Kay | 8 | Son | — | California |
| 18 | Christina Pirtman | 33 | Servant | Servant | Finland |
| 19 | Eva Nelson | 24 | Servant | Cook | Germany |
| 20 | Oliver J Olson | 55 | Head | Proprietor | California |
| 21 | Mary E Olson | 54 | Wife | — | California |
| 22 | Oliver J Olson | 27 | Son | — | California |
| 23 | Virginia F Olson | 25 | Daughter | — | California |
| 24 | Mary E Olson | 23 | Daughter | — | California |
| 25 | George W Olson THIS PERSON | 21 | Son | — | California |
| 26 | Edward J Olson | 19 | Son | — | California |
| 27 | Julia S Whitney | 52 | Sister-in-law | — | California |
| 28 | Theo Lundgren | 21 | Servant | Servant | Sweden |
| 29 | Irving M Jacobs | 32 | Head | Broker | California |
| 30 | Gertrude Jacobs | 32 | Wife | — | California |
| 31 | Lynn Jacobs | 5 | Daughter | — | California |
| 32 | Marjorie Jacobs | 3 | Daughter | — | California |
| 33 | Julia Stenon | 45 | Servant | Nurse | Belgium |
| 34 | Katherine Twining | 40 | Servant | Cook | California |
Pedigree Summary
George + 4 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)