MJ
Martha Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Boone, Iowa
Our Model Tree links this Martha Johnson across the 1900, 1910 and 1920 US Censuses in Boone, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1869), then head of a 7-person household.
Age 51
b. ~1869
Female
Spouse
Born: Sweden
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Boone, Iowa |
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | sweden |
| Township / Ward | Madrid Town |
| Est. Birth Year | ~1869 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Alice Thomas | Daughter | — | 26 | ~1894 |
| Peter Johnson | Head | — | 53 | ~1867 |
| Martha Thomas | Other | — | 5 | ~1915 |
| Ella Vans | Other | — | 87 | ~1833 |
| Charley Johnson | Son | — | 17 | ~1903 |
| William Lindgren | Son | — | 31 | ~1889 |
| Martha Johnson | Spouse | — | 51 | ~1869 |
Census Appearances
1900
Boone, Iowa
Spouse, age 32
Boone, Iowa · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Birth Month | Mar |
| Birth Year | 1868 |
| Year of Immigration | 1880 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Boone, Iowa
Spouse, age 42
Boone, Iowa · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 5 |
| Children Born | 7 |
| Children Living | 5 |
| Year of Immigration | 1888 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Boone, Iowa
Spouse, age 51
Boone, Iowa · implied b. ~1869 — 7 household members
| Surname | Johnson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | sweden |
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 Martha Johnson across 3 US Census years (1900, 1910 and 1920) in Boone, Iowa, using XGBoost record linkage.
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This person
Anchor record
Martha Johnson
Spouse · 1920 · age 51 · b. ~1869 · Iowa
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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 — Boone, Iowa
Open full size
1920 US Federal Census — Boone, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu479unit:0387)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rena M. Godfrey | 31 | Head | None | Iowa |
| 52 | Edna M. Godfrey | 10 | Daughter | None | Iowa |
| 53 | Bernice S. Godfrey | 8 | Daughter | None | Iowa |
| 54 | Melvin Lyon | 58 | Head | Machinist | Illinois |
| 55 | Jennie E. Lyon | 52 | Wife | None | Iowa |
| 56 | Frank A. Danbom | 55 | Head | None | Sweden |
| 57 | Hannah J. Danbom | 39 | Wife | None | Sweden |
| 58 | Jacob R. Keith | 64 | Head | None | Iowa |
| 59 | Hattie A. Keith | 56 | Wife | None | Vermont |
| 60 | Peter Jr. Johnson | 53 | Head | None | Sweden |
| 61 | Martha Johnson THIS PERSON | 51 | Wife | None | Sweden |
| 62 | William E. Lindgren | 31 | Son | Carpenter | Iowa |
| 63 | Alice L. Thomas | 26 | Daughter | None | Iowa |
| 64 | Charley Johnson | 17 | Son | None | Sweden |
| 65 | Martha M. Thomas | 5 | Granddaughter | None | Iowa |
| 66 | Ella Vans | 87 | Mother in law | None | Sweden |
| 67 | William Coleman | 34 | Head | Laborer | Illinois |
| 68 | Nancy Lehestant | 49 | Aunt | Keeper | Virginia |
| 69 | Thomas Lehestant | 47 | Uncle | Laborer | Virginia |
| 70 | John Larson | 66 | Lodger | Laborer | Indiana |
| 71 | Angeline Larson | 60 | Lodger | Keeper | Iowa |
| 72 | Jens Hansen | 31 | Lodger | Laborer | Denmark |
| 73 | Edward Nelson | 36 | Lodger | Laborer | Norway |
| 74 | Charley Johnson | 46 | Lodger | Laborer | Sweden |
| 75 | Ed W. Nelson | 49 | Lodger | Proprietor | Sweden |
| 76 | Hugo Alm | 22 | Lodger | Laborer | Sweden |
| 77 | Oscar Nelson | 25 | Lodger | Laborer | Sweden |
| 78 | Walter Summers | 30 | Lodger | Machinist | New York |
| 79 | Theodore Sandberg | 19 | Lodger | Laborer | Iowa |
| 80 | Amos Strange | 60 | Lodger | Laborer | Illinois |
| 81 | Isador Ferderber | 35 | Head | Own Shop | Croatian |
| 82 | Matilda Ferderber | 29 | Wife | — | Croatian |
| 83 | Mary Ferderber | 7 | Daughter | None | Croatia |
| 84 | Emerik Ferderber | 5 | Son | None | Iowa |
| 85 | Charley Ferderber | 4 | Son | None | Iowa |
| 86 | Milija Ferderber | 3 | Daughter | None | Iowa |
| 87 | Elolko Ferderber | 1 | Son | None | Iowa |
| 88 | Lewis Boom | 54 | Head | Yard Man | Indiana |
| 89 | Myrtle Boom | 40 | Wife | None | Iowa |
| 90 | Elden Boom | 10 | Son | None | Iowa |
| 91 | Lola May Boom | 2 | Daughter | None | Iowa |
| 92 | Armond Perrier | 29 | Head | Proprietor | Iowa |
| 93 | Hulda Perrier | 26 | Wife | None | Iowa |
| 94 | Armond Perrier | 6 | Son | None | Iowa |
| 95 | William Perrier | 2 | Son | None | Iowa |
| 96 | John Perrier | 32 | Brother | Proprietor | Iowa |
| 97 | Octavie Perrier | 57 | Mother | None | France |
| 98 | Gust A. J. Krante | 41 | Head | Proprietor | Iowa |
| 99 | Ester V. Krante | 37 | Wife | None | Iowa |
| 100 | Percy Krante | 10 | Son | None | Iowa |
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)