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Mildred Lee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Foster-County, North Dakota
Our Model Tree links this Mildred Lee across the 1930 and 1940 US Censuses in Foster-County, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Foster-County, North Dakota |
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Bordulac Twp. |
| 1935 Residence (County) | Foster |
| Additional Details | |
| Occupation | Operator |
| Industry | Beauty Parlor |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Operator |
| Township / Ward | Bordulac Twp |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Lee | Daughter | — | 19 | ~1921 |
| Elizabeth Lee | Spouse | — | 55 | ~1885 |
| Francis Lee | Son | — | 24 | ~1916 |
| John Lee | Head | — | 69 | ~1871 |
| Eynard Lee | Son | — | 30 | ~1910 |
| Dorothy Lee | Daughter | — | 16 | ~1924 |
| Beatrice Lee | Daughter | — | 35 | ~1905 |
| Eleanor Lee | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Foster, North …
Daughter, age 9
Foster, North Dakota · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Mildred R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Foster-County, North …
Daughter, age 19
Foster-County, North Dakota · implied b. ~1921 — 8 household members
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Bordulac Twp. |
| 1935 Residence (County) | Foster |
| Occupation | Operator |
| Industry | Beauty Parlor |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Mildred Lee across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Lee
Daughter · 1940 · age 19 · b. ~1921 · North Dakota
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Sibling
Eleanor Lee
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eynard Lee
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Lee
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Lee
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Lee
Sibling · 1940 · age 24
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 — Foster-County, North Dakota
Open full size
1940 US Federal Census — Foster-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03001-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beverly Johnson | 2 | Daughter | — | North Dakota |
| 2 | Mylor Wentland | 52 | Head | Clerk | North Dakota |
| 3 | Hulda Wentland | 48 | Wife | — | North Dakota |
| 4 | Rosamond Wentland | 26 | Daughter | Teacher | North Dakota |
| 5 | Fern Wentland | 17 | Daughter | — | North Dakota |
| 6 | Daisy Wentland | 15 | Daughter | — | North Dakota |
| 7 | Elling Odegaard | 30 | Boarder | Teacher | North Dakota |
| 8 | John J. Lee | 69 | Head | — | Wisconsin |
| 9 | Elizabeth Lee | 55 | Wife | — | Wisconsin |
| 10 | Beatrice Lee | 35 | Daughter | — | Wisconsin |
| 11 | Eynard Lee | 30 | Son | Laborer | Wisconsin |
| 12 | Francis Lee | 24 | Son | — | Wisconsin |
| 13 | Mildred Lee THIS PERSON | 19 | Daughter | Operator | North Dakota |
| 14 | Dorothy Lee | 16 | Daughter | — | North Dakota |
| 15 | Eleanor Lee | 13 | Daughter | — | North Dakota |
| 16 | Albert Nelson | 56 | Head | Manager | Iowa |
| 17 | Lynetta Nelson | 53 | Wife | — | North Dakota |
| 18 | Raymond Nelson | 18 | Son | — | North Dakota |
| 19 | Margaret Nelson | 11 | Daughter | — | North Dakota |
| 20 | Charles Bauer | 60 | Head | Laborer | Austria |
| 21 | Zenta Bauer | 63 | Wife | — | Hungary |
| 22 | William Bauer | 29 | Son | Laborer | North Dakota |
| 23 | Frank Mann | 52 | Head | Laborer | Illinois |
| 24 | Clara Mann | 49 | Wife | — | Illinois |
| 25 | Delbert Mann | 15 | Son | Laborer | North Dakota |
| 26 | Thomas Walters | 81 | Head | — | Missouri |
| 27 | Jess Kollman | 35 | Head | Section Hand | Iowa |
| 28 | Ella Kollman | 32 | Wife | — | North Dakota |
| 29 | Norma Kollman | 12 | Daughter | — | North Dakota |
| 30 | Garrell Kollman | 10 | Son | — | North Dakota |
| 31 | James Kollman | 7 | Son | — | North Dakota |
| 32 | Arlene Kollman | 3 | Daughter | — | North Dakota |
| 33 | Theron Cole | 34 | Head | Principal | North Dakota |
| 34 | Joe Anna Cole | 30 | Wife | Teacher | North Dakota |
| 35 | Burce Colaffie | 61 | Head | Janitor | Wisconsin |
| 36 | May Colaffie | 54 | Wife | — | North Dakota |
| 37 | Olaf Selvog | 52 | Head | Laborer | Norway |
| 38 | Helen Selvog | 48 | Wife | — | Minnesota |
| 39 | Priscilla Selvog | 17 | Daughter | — | North Dakota |
| 40 | Alice Mae Selvog | 15 | Daughter | — | North Dakota |
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)