MF
Mary Fletcher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, North Dakota
Our Model Tree links this Mary Fletcher across the 1930 and 1940 US Censuses in Cass-County, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, North Dakota |
| Surname | Fletcher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Fargo City |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Filling Clerk |
| Industry | Educational Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 676 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Filling Clerk |
| Township / Ward | Fargo City |
| Est. Birth Year | ~1920 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Loretta Fletcher | Daughter | — | 8 | ~1932 |
| Mary Fletcher | Daughter | — | 20 | ~1920 |
| Florence Fletcher | Daughter | — | 24 | ~1916 |
| James Fletcher | Head | — | 55 | ~1885 |
| Richard Fletcher | Son | — | 15 | ~1925 |
| Donald Fletcher | Son | — | 11 | ~1929 |
| James Fletcher | Son | — | 18 | ~1922 |
| William Fletcher | Son | — | 13 | ~1927 |
| Mabelle Fletcher | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Cass, North …
Daughter, age 10
Cass, North Dakota · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fletcher |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | North Dakota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Cass-County, North …
Daughter, age 20
Cass-County, North Dakota · implied b. ~1920 — 9 household members
| Surname | Fletcher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Fargo City |
| 1935 Residence (County) | Cass |
| Occupation | Filling Clerk |
| Industry | Educational Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 676 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Fletcher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fletcher
Daughter · 1940 · age 20 · b. ~1920 · North Dakota
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Sibling
Richard Fletcher
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Fletcher
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Fletcher
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Fletcher
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Fletcher
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Fletcher
Sibling · 1940 · 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
1940 US Federal Census — Cass-County, North Dakota
Open full size
1940 US Federal Census — Cass-County, North Dakota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02997-00300)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. E. Roethke | 49 | Head | Sheriff | Iowa |
| 2 | Caroline Roethke | 49 | Wife | Matron | North Dakota |
| 3 | Robert Roethke | 16 | Son | — | North Dakota |
| 4 | Ethel M. Inderud | 51 | Cook | Cook | North Dakota |
| 5 | Sigrid Helgeson | 25 | Lodger | Matron | North Dakota |
| 7 | James D. Fletcher | 55 | Head | Meat Cutter | South Dakota |
| 8 | Mabelle Fletcher | 43 | Wife | — | North Dakota |
| 9 | Florence Fletcher | 24 | Daughter | Helper (In Laundry) | North Dakota |
| 10 | Mary Fletcher THIS PERSON | 20 | Daughter | Filling Clerk | Montana |
| 11 | James Fletcher | 18 | Son | — | North Dakota |
| 12 | Richard Fletcher | 15 | Son | — | North Dakota |
| 13 | William Fletcher | 13 | Son | — | North Dakota |
| 14 | Donald Fletcher | 11 | Son | — | North Dakota |
| 15 | Loretta Fletcher | 8 | Daughter | — | North Dakota |
| 16 | Al Bourassa | 52 | Head | Proprietor | North Dakota |
| 17 | Antonia Bourassa | 56 | Wife | — | Germany |
| 18 | Florence Stebbins | 57 | Lodger | Stenographer | Michigan |
| 19 | Walter Hoffman | 24 | Lodger | Baker | North Dakota |
| 20 | Lewis Brueke | 32 | Lodger | Warehouseman | Norway |
| 21 | Leslie Brueke | 21 | Lodger | — | North Dakota |
| 22 | Leila Eckstrom | 21 | Lodger | Secretary | Texas |
| 23 | Mildred Lindenberg | 21 | Lodger | Stenographer | North Dakota |
| 24 | Frank Boast | 24 | Lodger | Shipping Clerk | North Dakota |
| 25 | Cora Schorer | 29 | Lodger | General Office | Minnesota |
| 26 | Esther Barta | 43 | Lodger | Secretary | North Dakota |
| 27 | Jennie Helritz | 54 | Head | Proprietor | Minnesota |
| 28 | Bernard Helritz | 18 | Son | — | North Dakota |
| 29 | Luella Connor | 25 | Lodger | Saleslady | Minnesota |
| 30 | Esther Lyons | 37 | Lodger | Housework | Minnesota |
| 31 | William Lyons | 19 | Lodger | Kitchen Work | Minnesota |
| 32 | Donald Farnham | 28 | Lodger | Bookkeeper | North Dakota |
| 33 | Anna Samuelson | 39 | Lodger | Maid | Minnesota |
| 34 | Hollis Green | 32 | Lodger | Manager | North Dakota |
| 35 | John Rosenbaum | None | Lodger | — | — |
| 37 | Melvin H. Hildreth | 80 | Head | — | New York |
| 38 | Valborg Nelson | 28 | Nurse | Private Nurse | North Dakota |
| 39 | Esther Ludgren | 40 | Housekeeper | Housekeeper | Minnesota |
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)