MJ
Martin Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Polk, Minnesota
Our Model Tree links this Martin Johnson across the 1900, 1910 and 1920 US Censuses in Polk, Minnesota (XGBoost, ~Confirmed), with identified parents Bernhard & John — first a son (b.~1898), then head of a 12-person household.
Age 22
b. ~1898
Male
Son
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Minnesota |
| Surname | Johnson |
| Given Name | Martin A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Esther Township |
| Est. Birth Year | ~1898 |
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.
12 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Martin | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 21 | ~1899 |
| Helga Johnson | Daughter | — | 7 | ~1913 |
| Juliet Johnson | Daughter | — | 15 | ~1905 |
| Iva Johnson | Daughter | — | 13 | ~1907 |
| Margaret Johnson | Daughter | — | 4 | ~1916 |
| John Johnson | Head | — | 50 | ~1870 |
| John Johnson | Son | — | 10 | ~1910 |
| Elmer Johnson | Son | — | 17 | ~1903 |
| Anton Johnson | Son | — | 11 | ~1909 |
| Alfred Johnson | Son | — | 19 | ~1901 |
| Martin Johnson | Son | — | 22 | ~1898 |
| Caroline Johnson | Spouse | — | 43 | ~1877 |
Census Appearances
1900
Polk, Minnesota
Son, age 3
Polk, Minnesota · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Apr |
| Birth Year | 1897 |
| Father's Birthplace | Norway |
| Mother's Birthplace | North Dakota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Polk, Minnesota
Son, age 13
Polk, Minnesota · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | North Dakota |
| Occupation | Farm laborer |
| Industry | Home Farm |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Polk, Minnesota
Son, age 22
Polk, Minnesota · implied b. ~1898 — 12 household members
| Surname | Johnson |
| Given Name | Martin A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm laborer |
| Industry | Home farm |
| 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 Martin Johnson across 3 US Census years (1900, 1910 and 1920) in Polk, Minnesota, using XGBoost record linkage. Identified parents: father Bernhard Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Caroline Johnson (~0.92 confidence) and mother Valborg Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernhard Johnson
b. ~1851
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Caroline Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Valborg Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martin Johnson
Son · 1920 · age 22 · b. ~1898 · Minnesota
★ You are viewing this record
Sibling
Helga Johnson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Johnson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anton Johnson
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iva Johnson
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Johnson
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Johnson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnson
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juliet Johnson
Sibling · 1920 · age 15
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 — Polk, Minnesota
Open full size
1920 US Federal Census — Polk, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu850unit:1012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Brandt | 28 | Head | Farmer | North Dakota |
| 52 | Bernt Brandt | 22 | Brother | Farm Laborer | Minnesota |
| 53 | Ogaline Brandt | 17 | Sister | Farm Laborer | Minnesota |
| 54 | Bessie Brandt | 20 | Sister | — | Minnesota |
| 55 | John O Lundin | 47 | Head | Farmer | Sweden |
| 56 | Emma S Lundin | 36 | Wife | — | Minnesota |
| 57 | Bernhard O Lundin | 23 | Son | Farm Laborer | Minnesota |
| 58 | Julius A Lundin | 16 | Son | — | Minnesota |
| 59 | Albert W Lundin | 14 | Son | — | Minnesota |
| 60 | Elmer Lundin | 12 | Son | — | Minnesota |
| 61 | Garfield Lundin | 10 | Son | — | Minnesota |
| 62 | Orville C Lundin | 7 | Daughter | — | Minnesota |
| 63 | Florence O Lundin | 5 | Daughter | — | Minnesota |
| 64 | Iona H Lundin | 3 | Daughter | — | Minnesota |
| 65 | Curtis O Lundin | 1 | Son | — | Minnesota |
| 66 | Alfred J Anderson | 40 | Head | Farmer | Wisconsin |
| 67 | Agnetta Anderson | 67 | Mother | — | Sweden |
| 68 | Mary Anderson | 28 | Sister | Servant | Minnesota |
| 69 | Samuel Dalen | 47 | Head | Farmer | Wisconsin |
| 70 | Annie Dalen | 36 | Wife | — | Minnesota |
| 71 | Theodore Dalen | 16 | Son | — | Minnesota |
| 72 | Betsy Nelson | 61 | Head | Farmer | Sweden |
| 73 | Martin Nelson | 23 | Son | Farm Laborer | Minnesota |
| 74 | Wilhelm Nelson | 19 | Son | Farm Laborer | Minnesota |
| 75 | Ole A Olsen | 58 | Head | Farmer | Sweden |
| 76 | Nora Olsen | 52 | Wife | — | Norway |
| 77 | Arthur B Olsen | 20 | Son | Farm Laborer | Minnesota |
| 78 | Clarice N Olsen | 13 | Daughter | — | Minnesota |
| 79 | Oliver N Olsen | 11 | Son | — | Minnesota |
| 80 | John H Johnson | 50 | Head | Farmer | Norway |
| 81 | Caroline Johnson | 43 | Wife | — | Norway |
| 82 | Martin A Johnson THIS PERSON | 22 | Son | Farm Laborer | Minnesota |
| 83 | Clara J Johnson | 21 | Daughter | — | Minnesota |
| 84 | Alfred B Johnson | 19 | Son | Farm Laborer | Minnesota |
| 85 | Elmer M Johnson | 17 | Son | — | Minnesota |
| 86 | Juliet M Johnson | 15 | Daughter | — | Minnesota |
| 87 | Iva L Johnson | 13 | Daughter | — | Minnesota |
| 88 | Anton E Johnson | 11 | Son | — | Minnesota |
| 89 | John H Johnson | 10 | Son | — | Minnesota |
| 90 | Helga T Johnson | 7 | Daughter | — | Minnesota |
| 91 | Margaret C Johnson | 4 | Daughter | — | Minnesota |
| 92 | Bernhard K Johnson | 57 | Head | Farmer | Norway |
| 93 | Caroline Johnson | 49 | Wife | — | Minnesota |
| 94 | Mabel O Johnson | 22 | Daughter | — | Minnesota |
| 95 | Geniva H Johnson | 20 | Daughter | — | Minnesota |
| 96 | Cora B Johnson | 19 | Daughter | — | Minnesota |
| 97 | Hazel G Johnson | 13 | Daughter | — | Minnesota |
| 98 | Lloyd O N Johnson | 11 | Son | — | Minnesota |
| 99 | Joseph Schoil | 61 | Head | Farmer | England |
| 100 | Elizabeth H Schoil | 63 | Wife | — | England |
Pedigree Summary
Martin + 9 siblings
Gen 1 · 4 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)