WP
William Peterson — 1920 US Census Record
Model Tree available1920 United States Federal Census · St Louis, Minnesota
Our Model Tree links this William Peterson across the 1900, 1910 and 1920 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed), with identified parents John & Otto — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | St Louis, Minnesota |
| Surname | Peterson |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Mechanic |
| Township / Ward | City Of Duluth |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mabel Peterson | Daughter | — | 24 | ~1896 |
| Oscar Peterson | Head | — | 53 | ~1867 |
| Elsa Pearson | Other | — | 26 | ~1894 |
| Hjalmar Peterson | Son | — | 9 | ~1911 |
| Alvin Peterson | Son | — | 23 | ~1897 |
| William Peterson | Son | — | 21 | ~1899 |
| Anna Peterson | Spouse | — | 49 | ~1871 |
Census Appearances
1900
St Louis, …
Son, age 1
St Louis, Minnesota · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Mar |
| Birth Year | 1899 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
St Louis, …
Son, age 12
St Louis, Minnesota · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
St Louis, …
Son, age 21
St Louis, Minnesota · implied b. ~1899 — 7 household members
| Surname | Peterson |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William Peterson across 3 US Census years (1900, 1910 and 1920) in St Louis, Minnesota, using XGBoost record linkage. Identified parents: father John Peterson (~0.92 confidence) and father Otto Petterson (~0.92 confidence) and mother Tilda Petterson (~0.92 confidence) and father Oscar Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Otto Petterson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Tilda Petterson
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Oscar Peterson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Peterson
Son · 1920 · age 21 · b. ~1899 · Minnesota
★ You are viewing this record
Sibling
Alvin Peterson
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Peterson
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hjalmar Peterson
Sibling · 1920 · age 9
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 — St Louis, Minnesota
Open full size
1920 US Federal Census — St Louis, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu858unit:0163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gertrude Bloomfield | 25 | Daughter | — | Minnesota |
| 52 | Stella H Bloomfield | 22 | Daughter | Stenographer | Minnesota |
| 53 | Leonard H Bloomfield | 5 | Son | — | Minnesota |
| 54 | James W Wood | 47 | Head | Clerk | England |
| 55 | Eva F Wood | 43 | Wife | — | Canada |
| 56 | Benjamin Wood | 24 | Son | Clerk | Minnesota |
| 57 | Thomas Monahan | 60 | Head | Night Watchman | Ireland |
| 58 | Elizabeth Monahan | 59 | Wife | — | Michigan |
| 59 | Mary E Monahan | 24 | Daughter | — | Minnesota |
| 60 | Elizabeth M Monahan | 22 | Daughter | Teacher | Minnesota |
| 61 | Simon F Peterson | 42 | Head | Salesman | Minnesota |
| 62 | Elizabeth M Peterson | 37 | Wife | — | Michigan |
| 63 | Elizabeth A Peterson | 6 | Daughter | — | Minnesota |
| 64 | John F Peterson | 2 | Son | — | Minnesota |
| 65 | Pauline L Peterson | 0 | Daughter | — | Minnesota |
| 66 | John A Abraham | 70 | Head | — | Sweden |
| 67 | Lena Abraham | 60 | Wife | — | New York |
| 68 | Kathryn Abraham | 37 | Daughter | Stenographer | North Dakota |
| 69 | George F Sloper | 53 | Head | Ticket Agent | Maine |
| 70 | Helen K Sloper | 42 | Wife | — | Wisconsin |
| 71 | Alex S Mcdaniel | 47 | Head | Contractor | Canada |
| 72 | Elizabeth A Mcdaniel | 20 | Daughter | Manager | Minnesota |
| 73 | Lillian S Mcdaniel | 16 | Daughter | — | Minnesota |
| 74 | Alice Mcdaniel | 6 | Daughter | — | Minnesota |
| 75 | Mabel Cunningham | 29 | Boarder | Bookkeeper | Indiana |
| 76 | Alexander M Glass | 58 | Head | — | Indiana |
| 77 | Edna M Glass | 22 | Daughter | — | Pennsylvania |
| 78 | John Glass | 10 | Son | — | Pennsylvania |
| 79 | Mrs. Francis Schmied | 64 | Mother-in-law | — | Pennsylvania |
| 80 | Oscar Peterson | 53 | Head | Merchant | Sweden |
| 81 | Anna Peterson | 49 | Wife | — | Sweden |
| 82 | Mabel E Peterson | 24 | Daughter | Clerk | Minnesota |
| 83 | Alvin O Peterson | 23 | Son | — | Minnesota |
| 84 | William S Peterson THIS PERSON | 21 | Son | Mechanic | Minnesota |
| 85 | Hjalmar Peterson | 9 | Son | — | Minnesota |
| 86 | Elsa Pearson | 26 | Servant | Housekeeper | Sweden |
| 87 | William M Bergin | 47 | Head | Contractor | Minnesota |
| 88 | Mary S Bergin | 45 | Wife | — | Minnesota |
| 89 | Clyde S Heimbach | 36 | Head | Clerk | Wisconsin |
| 90 | Eva Heimbach | 38 | Wife | — | Wisconsin |
| 91 | Arthur Heimbach | 8 | Son | — | Minnesota |
| 92 | Wellesley Waldo | 77 | Mother-in-law | — | Canada |
| 93 | Anna Olsen | 35 | Servant | Housekeeper | Illinois |
| 94 | Walter H Treacy | 38 | Head | Auditor | New York |
| 95 | Pearl A Treacy | 38 | Wife | — | Michigan |
| 96 | Walter Jr. Treacy | 3 | Son | — | Minnesota |
| 97 | Benjamin Beckman | 37 | Head | Owner | Russia |
| 98 | Minnie Beckman | 31 | Wife | — | New York |
| 99 | Edward E Beckman | 10 | Son | — | Minnesota |
| 100 | Lawrence Beckman | 6 | Son | — | Minnesota |
Pedigree Summary
William + 3 siblings
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)