MN
Mary Nichols — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Brown, Minnesota
Our Model Tree links this Mary Nichols across the 1920, 1930 and 1940 US Censuses in Brown, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1869), then head of a 5-person household.
Age 51
b. ~1869
Female
Spouse
Born: Minnesota
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Brown, Minnesota |
| Surname | Nichols |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Wales |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Cottonwood Township |
| 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Nichols | Head | — | 60 | ~1860 |
| Peyton Nichols | Son | — | 13 | ~1907 |
| Emmett Nichols | Son | — | 11 | ~1909 |
| William Nichols | Son | — | 27 | ~1893 |
| Mary Nichols | Spouse | — | 51 | ~1869 |
Census Appearances
1920
Brown, Minnesota
Spouse, age 51
Brown, Minnesota · implied b. ~1869 — 5 household members
| Surname | Nichols |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Wales |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Brown, Minnesota
Spouse, age 62
Brown, Minnesota · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 20 |
| Father's Birthplace | Wales |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Brown-County, Minnesota
Spouse, age 71
Brown-County, Minnesota · implied b. ~1869 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholas |
| Given Name | Mrs Edward |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Minnesota |
| 1935 Residence (City) | Cottonwood Twp |
| 1935 Residence (County) | Brown |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mary Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Nichols
Spouse · 1920 · age 51 · b. ~1869 · Minnesota
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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 — Brown, Minnesota
Open full size
1920 US Federal Census — Brown, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu825unit:0802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur P. Schaefer | 31 | Head | Farmer | Minnesota |
| 2 | Rosa M. Schaefer | 30 | Wife | — | Minnesota |
| 3 | Donald A. Schaefer | 1 | Son | — | Minnesota |
| 4 | Leonard H. Schaefer | 0 | Son | — | Minnesota |
| 5 | Andrew J. Uhl | 33 | Head | Farmer | Minnesota |
| 6 | Lena Uhl | 32 | Wife | — | Minnesota |
| 7 | Elmer Uhl | 13 | Son | — | Minnesota |
| 8 | Edward R. Nichols | 60 | Head | Farmer | Minnesota |
| 9 | Mary A. Nichols THIS PERSON | 51 | Wife | — | Minnesota |
| 10 | William C. Nichols | 27 | Son | Laborer | Minnesota |
| 11 | Peyton Nichols | 13 | Son | — | Minnesota |
| 12 | Emmett J. Nichols | 11 | Son | — | Minnesota |
| 13 | Henry Portner | 32 | Head | Farmer | Minnesota |
| 14 | Ida R. Portner | 30 | Wife | — | Minnesota |
| 15 | — | None | — | — | — |
| 16 | John F. Sturm | 27 | Head | Farmer | Minnesota |
| 17 | Gretchen E. Sturm | 25 | Wife | — | Minnesota |
| 18 | George C. Meigen | 14 | Cousin | — | Minnesota |
| 19 | Francis J. Schaefer | 26 | Head | Farmer | Minnesota |
| 20 | Lillian Schaefer | 26 | Wife | — | Minnesota |
| 21 | Charlie T. Pratt | 23 | Hired man | Laborer | Minnesota |
| 22 | Anton Kitzberger | 53 | Head | Farmer | Bohemia |
| 23 | Rosa Kitzberger | 47 | Wife | — | Minnesota |
| 24 | Edwin A. Kitzberger | 20 | Son | — | Minnesota |
| 25 | William C. Kitzberger | 16 | Son | — | Minnesota |
| 26 | Edward Stueber | 32 | Head | Farmer | Minnesota |
| 27 | Helene Stueber | 31 | Wife | — | Minnesota |
| 28 | Verna A. Stueber | 4 | Daughter | — | Minnesota |
| 29 | Evelyn M. Stueber | 3 | Daughter | — | Minnesota |
| 30 | Elizabeth C. Stueber | 2 | Daughter | — | Minnesota |
| 31 | Rufus W. Bogathe | 34 | Head | Farmer | Prussia |
| 32 | Bertha J. Bogathe | 31 | Sister | — | Prussia |
| 33 | Ben Bogathe | 39 | Brother | Laborer | Prussia |
| 34 | Johanna Bogathe | 63 | Mother | — | Prussia |
| 35 | August Gulden | 51 | Head | Farmer | Minnesota |
| 36 | Cecilia Gulden | 42 | Wife | — | Minnesota |
| 37 | George G. Gulden | 20 | Son | Laborer | Minnesota |
| 38 | Emil J. Gulden | 18 | Son | Laborer | Minnesota |
| 39 | Leander J. Gulden | 15 | Son | — | Minnesota |
| 40 | Rudolph J. Gulden | 14 | Son | — | Minnesota |
| 41 | Irene J. Gulden | 12 | Daughter | — | Minnesota |
| 42 | Herbert J. Gulden | 10 | Son | — | Minnesota |
| 43 | Eleonora Gulden | 8 | Daughter | — | Minnesota |
| 44 | Stanley J. Gulden | 7 | Son | — | Minnesota |
| 45 | Walter P. Gulden | 6 | Son | — | Minnesota |
| 46 | Willard G. Gulden | 3 | Son | — | Minnesota |
| 47 | Melvin J. Gulden | 2 | Son | — | Minnesota |
| 48 | Ernest Gulden | 0 | Son | — | Minnesota |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)