EP
Ernest Peterson — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Francisco, California
Our Model Tree links this Ernest Peterson across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Birger & Birger — first a head (b.~1896), then head of a 4-person household.
Age 24
b. ~1896
Male
Head
Born: California
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Peterson |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Teamster |
| Industry | Lumber |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Teamster |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1896 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ethel Peterson | Spouse | — | 22 | ~1898 |
| Ralph Lisby | Other | — | 38 | ~1882 |
| Ernest Peterson | Son | — | 2 | ~1918 |
| Ernest Peterson | Head | — | 24 | ~1896 |
Census Appearances
1900
San Francisco, …
Son, age 5
San Francisco, California · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | May |
| Birth Year | 1895 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Son, age 14
San Francisco, California · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Earnest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Head, age 24
San Francisco, California · implied b. ~1896 — 4 household members
| Surname | Peterson |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Teamster |
| Industry | Lumber |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| 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 Ernest Peterson across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: father Birger Peterson (~0.92 confidence) and father Birger Peterson (~0.92 confidence) and mother Severina Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Birger Peterson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Birger Peterson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Severina Peterson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Peterson
Head · 1920 · age 24 · b. ~1896 · 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 — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu134unit:0040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Hanne | 7 | daughter | None | California |
| 2 | Lena Lefkowsky | 65 | Head | None | Russia |
| 3 | Hattie Howell | 36 | daughter | None | New York |
| 4 | Tillie Michaels | 28 | daughter | None | California |
| 5 | Bertha Lefkowsky | 20 | daughter | Laundress | California |
| 6 | Abe Lefkowsky | 23 | son | None | California |
| 7 | Solomon Michaels | 33 | son in law | Commissary | California |
| 8 | Freda Howe | 8 | grand daughter | None | California |
| 9 | Harry Howe | 8 | grand son | None | California |
| 10 | Harold Howe | 6 | grand son | None | California |
| 11 | Thos M Mclachlan | 63 | Head | Contractor | New Brunswick |
| 12 | Eva A Mclachlan | 46 | wife | None | Illinois |
| 13 | Michael Maslach | 35 | Head | Machinist | Poland |
| 14 | Annie Maslach | 27 | wife | None | Poland |
| 15 | Sophia Maslach | 6 | daughter | None | California |
| 16 | Michael Maslach | 3 | son | None | California |
| 17 | Hiram H Ruggles | 30 | Head | Joiner | Kansas |
| 18 | Margaret A Ruggles | 25 | wife | None | California |
| 19 | Hiram Chas Ruggles | 1 | son | — | California |
| 20 | Chas Heckerle | 21 | brother in law | Teamster | California |
| 21 | Harold Heckerle | 18 | brother in law | Helper | California |
| 22 | Patrick E Regan | 53 | Head | Carpenter | Canada |
| 23 | Mary A Regan | 47 | wife | None | California |
| 24 | Minnie Guinn | 32 | Head | None | Ireland |
| 25 | Martin Guinn | 12 | son | None | Montana |
| 26 | Frank Guinn | 10 | son | None | Montana |
| 27 | Tom Guinn | 9 | son | None | Montana |
| 28 | Chas Guinn | 8 | son | None | Montana |
| 29 | Madeline Guinn | 5 | daughter | None | Montana |
| 30 | Jas Collins | 24 | roomer | Pipe Fitter | California |
| 31 | Tom Collins | 28 | roomer | Helper | California |
| 32 | George Collins | 17 | roomer | Helper | California |
| 33 | Steve Collins | 21 | roomer | Truck Driver | California |
| 34 | Jas Anderson | 42 | Head | Blacksmith Helper | England |
| 35 | Josie Anderson | 40 | wife | Dressmaker | Italy |
| 36 | Thos Anderson | 13 | son | None | California |
| 37 | James Anderson | 11 | son | None | California |
| 38 | Mary Anderson | 10 | daughter | None | California |
| 39 | Thos R Heckerle | 55 | roomer | Second Clerk | California |
| 40 | Horace H Sanborn | 57 | Head | Carpenter | Ohio |
| 41 | Annie M Sanborn | 58 | wife | None | Maine |
| 42 | Ernest Peterson THIS PERSON | 24 | Head | Teamster | California |
| 43 | Ethel Peterson | 22 | wife | None | California |
| 44 | Ernest Peterson | 2 | son | — | California |
| 45 | Ralph Lisby | 38 | roomer | Laborer | Utah |
| 46 | Job Escalier | 45 | Head | Driver | France |
| 47 | Mary Escalier | 40 | wife | Laundress | France |
| 48 | Ellis Escalier | 18 | son | Driver | France |
| 49 | Mary Escalier | 16 | daughter | Laundress | France |
| 50 | F E G Tibbs | 58 | Head | None | Massachusetts |
Pedigree Summary
Ernest
Gen 1 · 3 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)