MJ
Mamie Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hennepin, Minnesota
Our Model Tree links this Mamie Johnson across the 1910 and 1920 US Censuses in Hennepin, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 9-person household.
Age 14
b. ~1906
Female
Daughter
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hennepin, Minnesota |
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Finland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Olive Johnson | Daughter | — | ~1920 | |
| Mamie Johnson | Daughter | — | 14 | ~1906 |
| Lilly Johnson | Daughter | — | 16 | ~1904 |
| Oscar Johnson | Head | — | 44 | ~1876 |
| Milton Johnson | Son | — | 8 | ~1912 |
| Oswald Johnson | Son | — | 11 | ~1909 |
| Mildred Johnson | Son | — | 6 | ~1914 |
| Howard Johnson | Son | — | 3 | ~1917 |
| Ida Johnson | Spouse | — | 39 | ~1881 |
Census Appearances
1910
Hennepin, Minnesota
Daughter, age 4
Hennepin, Minnesota · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Daughter, age 14
Hennepin, Minnesota · implied b. ~1906 — 9 household members
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Finland |
| 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 Mamie Johnson across 2 US Census years (1910 and 1920) in Hennepin, Minnesota, using XGBoost record linkage.
Show:
This person
Anchor record
Mamie Johnson
Daughter · 1920 · age 14 · b. ~1906 · Minnesota
★ You are viewing this record
Sibling
Olive Johnson
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Johnson
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Johnson
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Johnson
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Johnson
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oswald Johnson
Sibling · 1920 · age 11
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 — Hennepin, Minnesota
Open full size
1920 US Federal Census — Hennepin, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu837unit:1024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Hadjieff | 40 | Head | Farmer | Bulgaria |
| 52 | Mike Hadjieff | 35 | Partner | Farmer | Bulgaria |
| 53 | Nick Hadjieff | 27 | Partner | Farmer | Bulgaria |
| 54 | Oscar Johnson | 44 | Head | Laborer | Sweden |
| 55 | Ida Johnson | 39 | Wife | — | Finland |
| 56 | Lilly Johnson | 16 | Daughter | Mach. Operator | Minnesota |
| 57 | Mamie Johnson THIS PERSON | 14 | Daughter | — | Minnesota |
| 58 | Oswald Johnson | 11 | Son | — | Minnesota |
| 59 | Milton Johnson | 8 | Son | — | Minnesota |
| 60 | Mildred Johnson | 6 | Son | — | Minnesota |
| 61 | Howard Johnson | 3 | Son | — | Minnesota |
| 62 | Olive Johnson | 0 | Daughter | — | Minnesota |
| 63 | Tom Lindberg | 62 | Head | Laborer | Finland |
| 64 | Tesi Lindberg | 62 | Wife | — | Finland |
| 65 | Hannah Lindberg | 32 | Daughter | Laundress | Finland |
| 66 | John Lund | 60 | Head | Laborer | Sweden |
| 67 | Matilda Lund | 53 | Wife | — | Sweden |
| 68 | Charles Lund | 25 | Son | Car Repairer | Minnesota |
| 69 | Leonard Lund | 22 | Son | Car Repairer | Minnesota |
| 70 | Esther Lund | 18 | Daughter | Washer | Minnesota |
| 71 | Floyd Lund | 14 | Son | — | Minnesota |
| 72 | Pete Thompson | 52 | Head | — | Norway |
| 73 | Carrie Thompson | 56 | Wife | Wash Woman | Norway |
| 74 | Engwald Thompson | 25 | Son | Car Repairer | Minnesota |
| 75 | Amil Thompson | 23 | Son | Car Repairer | Minnesota |
| 76 | Helmar Thompson | 21 | Son | Laborer | Minnesota |
| 77 | Ida Thompson | 18 | Daughter | — | Minnesota |
| 78 | Gladys Thompson | 10 | Daughter | — | Minnesota |
| 79 | Henry Heepper | 52 | Head | Janitor | Germany |
| 80 | Christina Heepper | 52 | Wife | — | Germany |
| 81 | Victor Heepper | 17 | Son | Printer | Germany |
| 82 | William Heepper | 16 | Son | Printer | Germany |
| 83 | Elizabeth Heepper | 14 | Daughter | — | Canada |
| 84 | Caroline Heepper | 11 | Daughter | — | Canada |
| 85 | John M. Anderson | 65 | Head | Laborer | Sweden |
| 86 | Matilda Anderson | 49 | Wife | — | Sweden |
| 87 | Elsie Anderson | 23 | Daughter | Cream Dipper | Minnesota |
| 88 | Sadie Anderson | 18 | Daughter | Billing Clerk | Minnesota |
| 89 | Gust Hedman | 42 | Head | Laborer | Sweden |
| 90 | Emma Hedman | 42 | Wife | — | Sweden |
| 91 | Hugo Hedman | 12 | Son | — | Minnesota |
| 92 | Ethel Hedman | 11 | Daughter | — | Minnesota |
| 93 | Einar Hedman | 9 | Son | — | Minnesota |
| 94 | Adel A. Golden | 33 | Head | Grocer | Minnesota |
| 95 | Agrip J. Olmette | 59 | Head | Car Repairer | Canada |
| 96 | Ernestine Olmette | 53 | Wife | — | Canada |
| 97 | Phillip Olmette | 28 | Son | Car Repairer | Minnesota |
| 98 | Francis Olmette | 26 | Daughter | Dressmaker | Minnesota |
| 99 | Sophie Olmette | 23 | Daughter | Cashier | Minnesota |
| 100 | Anthony Olmette | 12 | Son | — | Minnesota |
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)