NP
Nels Peterson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sheridan, Montana
Our Model Tree links this Nels Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Sheridan, Montana (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 10-person household.
Age 50
b. ~1870
Male
Head
Born: Denmark
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Sheridan, Montana |
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth Country | Denmark |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | denmark |
| Occupation | Farmer |
| Township / Ward | School District No 51 |
| Est. Birth Year | ~1870 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Nels | Age | Birth yr |
|---|---|---|---|---|
| Woodrow Peterson | Son | — | 6 | ~1914 |
| John Peterson | Son | — | 13 | ~1907 |
| Bernard Peterson | Son | — | 1 | ~1919 |
| Nels Peterson | Head | — | 50 | ~1870 |
| Gladys Peterson | Daughter | — | 5 | ~1915 |
| Dennis Peterson | Son | — | 3 | ~1917 |
| Elmer Peterson | Son | — | 10 | ~1910 |
| Mary Peterson | Spouse | — | 36 | ~1884 |
| Gertrude Peterson | Daughter | — | 15 | ~1905 |
| Edna Peterson | Daughter | — | 12 | ~1908 |
Census Appearances
1910
Valley, Montana
Head, age 39
Valley, Montana · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 7 |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1894 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Sheridan, Montana
Head, age 50
Sheridan, Montana · implied b. ~1870 — 10 household members
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth Country | Denmark |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | denmark |
1930
Sheridan, Montana
Head, age 59
Sheridan, Montana · implied b. ~1871 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 32 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Mason-County, Michigan
Head, age 69
Mason-County, Michigan · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Summit |
| 1935 Residence (County) | Mason |
| Naturalization Status | Naturalized |
| Occupation | farming |
| Industry | own farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Nels Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Nels Peterson
Head · 1920 · age 50 · b. ~1870 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Sheridan, Montana
Open full size
1920 US Federal Census — Sheridan, Montana
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu975unit:0920)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Johany | 15 | Son | — | Minnesota |
| 52 | Theodore | 13 | Son | — | Minnesota |
| 53 | Ella M. | 11 | Daughter | — | Minnesota |
| 54 | Henry | 7 | Son | — | Minnesota |
| 55 | Dora | 3 | Daughter | — | Montana |
| 56 | Peter R. Paulsen | 45 | Head | Farmer | Denmark |
| 57 | Kirstine Paulsen | 27 | Wife | — | Denmark |
| 58 | Thomas Sunstiar | 30 | Head | Farmer | Denmark |
| 59 | Ida Sunstiar | 23 | Wife | — | Minnesota |
| 60 | Johany Sunstiar | 2 | Daughter | — | Montana |
| 61 | Carl Sunstiar | 1 | Son | — | Montana |
| 62 | Erich Sunstiar | 28 | Brother | Farmer | Denmark |
| 63 | Antone Sunstiar | 26 | Brother | Farmer | Denmark |
| 64 | Jens J. Hardman | 28 | Boarder | Laborer | Denmark |
| 65 | Carl J. Peterson | 46 | Head | Farmer | Denmark |
| 66 | Nels Peterson THIS PERSON | 50 | Head | Farmer | Denmark |
| 67 | Mary Peterson | 36 | Wife | — | Illinois |
| 68 | Gertrude E. Peterson | 15 | Daughter | — | Minnesota |
| 69 | John Peterson | 13 | Son | — | Minnesota |
| 70 | Edna Peterson | 12 | Daughter | — | Minnesota |
| 71 | Elmer Peterson | 10 | Son | — | Minnesota |
| 72 | Woodrow Peterson | 6 | Son | — | Minnesota |
| 73 | Gladys Peterson | 5 | Daughter | — | Minnesota |
| 74 | Dennis Peterson | 3 | Son | — | Minnesota |
| 75 | Bernard Peterson | 1 | Son | — | Montana |
| 76 | C. J. Engebretson | 29 | Head | Laborer | Minnesota |
| 77 | Petrea Engebretson | 29 | Wife | — | Minnesota |
| 78 | Wilma Engebretson | 5 | Daughter | — | Minnesota |
| 79 | Gladys Engebretson | 3 | Daughter | — | Minnesota |
| 80 | Emeline Engebretson | 1 | Daughter | — | Minnesota |
| 81 | Carl Schultz | 51 | Head | Farmer | Denmark |
| 82 | Hilda Schultz | 51 | Wife | — | Sweden |
| 83 | Hilda Schultz | 22 | Daughter | — | Denmark |
| 84 | Elias Jensen | 43 | Head | Farmer | Denmark |
| 85 | Lawrence Jensen | 12 | Son | Laborer | Nebraska |
| 86 | Marius Jensen | 10 | Son | Laborer | Kansas |
| 87 | Marinus Jensen | 6 | Son | — | Kansas |
| 88 | Martin A. Jorgensen | 50 | Head | Farmer | Denmark |
| 89 | Catherine Jorgensen | 44 | Wife | — | Denmark |
| 90 | Lillian M. Jorgensen | 5 | Daughter | — | Montana |
| 91 | Rasmus Andersen | 46 | Head | Farmer | Denmark |
| 92 | Petrine Andersen | 41 | Wife | — | Denmark |
| 93 | Valborg Andersen | 20 | Daughter | — | Denmark |
| 94 | Hugo A. Andersen | 16 | Son | — | Denmark |
| 95 | Nels S. Rungborg | 56 | Head | Farmer | Denmark |
| 96 | Maria S. Rungborg | 45 | Wife | — | Denmark |
| 97 | Soren S. Rungborg | 23 | Son | Laborer | Denmark |
| 98 | John Andersen | 35 | Head | Farmer | Denmark |
| 99 | Hannah Andersen | 29 | Wife | — | Denmark |
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)