EP
Elmer Peterson — 1920 US Census Record
Model Tree available1920 United States Federal Census · St Louis, Minnesota
Our Model Tree links this Elmer Peterson across the 1900, 1910 and 1920 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed), with identified parents Adolph & Olaf — first a son (b.~1899), then head of a 4-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 | Elmer |
| 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 | Bookkeeper |
| Industry | Mining Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Bookkeeper |
| Township / Ward | Duluth City |
| 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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Shelton Peterson | Son | — | 14 | ~1906 |
| Alvida Peterson | Spouse | — | 49 | ~1871 |
| Elmer Peterson | Son | — | 21 | ~1899 |
| Adolph Peterson | Head | — | 57 | ~1863 |
Census Appearances
1900
St Louis, …
Son, age 1
St Louis, Minnesota · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Oct |
| 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 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elmer |
| 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 | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
St Louis, …
Son, age 21
St Louis, Minnesota · implied b. ~1899 — 4 household members
| Surname | Peterson |
| Given Name | Elmer |
| 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 | Bookkeeper |
| Industry | Mining Co |
| 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 Elmer Peterson across 3 US Census years (1900, 1910 and 1920) in St Louis, Minnesota, using XGBoost record linkage. Identified parents: father Adolph Peterson (~0.92 confidence) and father Olaf Peterson (~0.92 confidence) and mother Alma Peterson (~0.92 confidence) and mother Alvida Peterson (~0.92 confidence) and mother Amelia Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolph Peterson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Olaf Peterson
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Alma Peterson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Alvida Peterson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Amelia Peterson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Peterson
Son · 1920 · age 21 · b. ~1899 · Minnesota
★ You are viewing this record
Sibling
Shelton Peterson
Sibling · 1920 · age 14
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:1920:14thcensusofpopu859unit:0350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert J Persch | 39 | Head | Machinist | Kansas |
| 2 | Mildred Persch | 39 | Wife | Saleslady | Pennsylvania |
| 3 | Magloire Becotte | 66 | Head | Foreman | Canada |
| 4 | Clara Becotte | 47 | Wife | None | Michigan |
| 5 | John H Becotte | 28 | Head | Plumber | Minnesota |
| 6 | Ruth M Becotte | 22 | Wife | None | Missouri |
| 7 | John D Becotte | 2 | Son | None | Minnesota |
| 8 | Caroline Nelson | 54 | Head | None | Denmark |
| 9 | Lydia Cornell | 25 | Niece | Saleslady | Minnesota |
| 10 | Ellen Anderson | 19 | Niece | Bookkeeper | Denmark |
| 11 | Matt Mattson | 34 | Head | Engineer | Denmark |
| 12 | Emily Mattson | 33 | Wife | None | Minnesota |
| 13 | Leland Mattson | 4 | Son | None | Minnesota |
| 14 | Albert H Nyquist | 30 | Head | Salesman | Sweden |
| 15 | Olga Nyquist | 26 | Wife | None | Minnesota |
| 16 | Ralph Nyquist | 6 | Son | None | Minnesota |
| 17 | Earl Nyquist | 5 | Son | None | Minnesota |
| 18 | August Nyquist | 63 | Father | None | Sweden |
| 19 | Russell Hanson | 23 | Lodger | Baker | Minnesota |
| 20 | Phillip Hanson | 17 | Lodger | Machinist | Minnesota |
| 21 | Charles Peterson | 34 | Head | Janitor | Minnesota |
| 22 | Maria Peterson | 30 | Wife | None | Minnesota |
| 23 | George Peterson | 3 | Son | None | Illinois |
| 24 | Evelyn Peterson | 0 | Daughter | None | Illinois |
| 25 | Braale Hanson | 74 | Father-in-law | None | Norway |
| 26 | Paul Laechel | 36 | Head | Machinist | Michigan |
| 27 | Sophie Laechel | 40 | Wife | None | Michigan |
| 28 | Douglas Laechel | 7 | Son | None | Michigan |
| 29 | Adolph F Peterson | 57 | Head | Janitor | Sweden |
| 30 | Alvida Peterson | 49 | Wife | None | Sweden |
| 31 | Elmer Peterson THIS PERSON | 21 | Son | Bookkeeper | Minnesota |
| 32 | Shelton Peterson | 14 | Son | None | Minnesota |
| 33 | Victor G Freeman | 34 | Head | Salesman | Minnesota |
| 34 | Ethel E Freeman | 33 | Wife | None | Kansas |
| 35 | Blanche Freeman | 16 | Daughter | Office Girl | Minnesota |
| 36 | Chester Freeman | 13 | Son | None | Minnesota |
| 37 | Gretchen Freeman | 10 | Daughter | None | Minnesota |
| 38 | Ward Freeman | 8 | Son | None | Minnesota |
| 39 | Leonard Freeman | 25 | Brother | Clerk | Minnesota |
| 40 | Raymond Freeman | 19 | Brother | Laborer | Minnesota |
| 41 | Sarah B Edmundson | 59 | Mother-in-law | None | Minnesota |
| 42 | Malcolm Campbell | 24 | Lodger | Hostler | Minnesota |
| 43 | Rhea Campbell | 21 | Lodger | Packer | Wisconsin |
| 44 | Michael Polinsky | 58 | Head | Merchant | Russia |
| 45 | Bessie Polinsky | 52 | Wife | None | Russia |
| 46 | Louise Polinsky | 22 | Daughter | Saleslady | Russia |
| 47 | Anna Polinsky | 13 | Daughter | None | Minnesota |
| 48 | Frank Cleary | 47 | Head | Laborer | Minnesota |
| 49 | Phoebe Cleary | 45 | Wife | None | Minnesota |
| 50 | Frances Cleary | 14 | Daughter | None | Minnesota |
Pedigree Summary
Elmer + 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)