MP
Mary Pratt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Nobles-County, Minnesota
Our Model Tree links this Mary Pratt across the 1930 and 1940 US Censuses in Nobles-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 7-person household.
Age 51
b. ~1889
Female
Head
Born: Switzerland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Nobles-County, Minnesota |
| Surname | Pratt |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Switzerland |
| 1935 Residence (City) | Lorain |
| 1935 Residence (County) | Nobles |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
| Occupation | Farmer |
| Township / Ward | Lorain |
| Est. Birth Year | ~1889 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bessie Pratt | Daughter | — | 20 | ~1920 |
| Mary Pratt | Head | — | 51 | ~1889 |
| Charles Pratt | Son | — | 14 | ~1926 |
| James Pratt | Son | — | 19 | ~1921 |
| Dale Pratt | Son | — | 7 | ~1933 |
| William Pratt | Son | — | 16 | ~1924 |
| Glen Pratt | Son | — | 24 | ~1916 |
Census Appearances
1930
Nobles, Minnesota
Spouse, age 42
Nobles, Minnesota · implied b. ~1888 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pratt |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Switzerland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 18 |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Switzerland |
| Can Read/Write | Yes |
| Mother Tongue | French |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
1940
Nobles-County, Minnesota
Head, age 51
Nobles-County, Minnesota · implied b. ~1889 — 7 household members
| Surname | Pratt |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Switzerland |
| 1935 Residence (City) | Lorain |
| 1935 Residence (County) | Nobles |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Switzerland |
| Birthplace (normalized) | switzerland |
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 Pratt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Pratt
Head · 1940 · age 51 · b. ~1889 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Nobles-County, Minnesota
Open full size
1940 US Federal Census — Nobles-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01942-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Rosendale | 20 | Son | Farmer | Minnesota |
| 42 | Eileen Rosendale | 17 | Daughter | — | Minnesota |
| 43 | Ed Johnson | 57 | Head | Farmer | Sweden |
| 44 | Betty Johnson | 53 | Wife | — | Sweden |
| 45 | Carl Johnson | 26 | Son | Farmer | Iowa |
| 46 | Lorene Johnson | 19 | Daughter | — | Minnesota |
| 47 | Loren Johnson | 19 | Son | Farmer | Minnesota |
| 48 | Walter Horst | 43 | Head | Farmer | Minnesota |
| 49 | Rhoda Horst | 34 | Wife | — | Minnesota |
| 50 | Mary Pratt THIS PERSON | 51 | Head | Farmer | Switzerland |
| 51 | Glen Pratt | 24 | Son | Farmer | Minnesota |
| 52 | Bessie Pratt | 20 | Daughter | House-Keeper | Minnesota |
| 53 | James Pratt | 19 | Son | — | Minnesota |
| 54 | William Pratt | 16 | Son | Farm Hand | Minnesota |
| 55 | Charles Pratt | 14 | Son | — | Minnesota |
| 56 | Dale Pratt | 7 | Son | — | Minnesota |
| 57 | Haffin Jr. Selner | 23 | Head | Farmer | Illinois |
| 58 | Lillian Selner | 21 | Wife | — | Minnesota |
| 59 | Raymond Selner | 19 | Brother | Farmer | Illinois |
| 60 | Harry Henton | 28 | Head | Farmer | Iowa |
| 61 | Leona Henton | 21 | Wife | — | Iowa |
| 62 | Norma Jean Henton | 3 | Daughter | — | Minnesota |
| 63 | Lois Henton | 2 | Daughter | — | Minnesota |
| 64 | Rolland Henton | 0 | Son | — | Iowa |
| 65 | Simeon Fenton | 66 | Head | Farmer | New York |
| 66 | Flora Fenton | 59 | Wife | — | Iowa |
| 67 | Thomas Fenton | 22 | Son | Farmer | Iowa |
| 68 | Tunder Christiansen | 50 | Head | Farmer | Norway |
| 69 | Loretta Christiansen | 46 | Wife | — | Minnesota |
| 70 | Donald Christiansen | 20 | Son | Farmer | Minnesota |
| 71 | Glen Christiansen | 19 | Son | Farmer | Minnesota |
| 72 | Charles Christiansen | 17 | Son | Farmer | Minnesota |
| 73 | Lorraine Christiansen | 15 | Daughter | — | Minnesota |
| 74 | Vonnie Christiansen | 6 | Daughter | — | Minnesota |
| 75 | James Maroney | 65 | Head | Farmer | Iowa |
| 76 | Jane Maroney | 63 | Wife | — | Iowa |
| 77 | James Jr. Maroney | 23 | Head | Farmer | Minnesota |
| 78 | Ruth Myrtle Maroney | 21 | Wife | — | Minnesota |
| 79 | Ruth Ann Maroney | 2 | Daughter | — | Minnesota |
| 80 | Fred Meier | 55 | Head | Farmer | Iowa |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)