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Mildred Lee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Traill-County, North Dakota
Our Model Tree links this Mildred Lee across the 1930 and 1940 US Censuses in Traill-County, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Traill-County, North Dakota |
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Morgan Twp. |
| 1935 Residence (County) | Traill |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Morgan Twp |
| Est. Birth Year | ~1924 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Harold Lee | Son | — | 26 | ~1914 |
| Andrew Lee | Head | — | 51 | ~1889 |
| Mildred Lee | Daughter | — | 16 | ~1924 |
| Margaret Lee | Daughter | — | 18 | ~1922 |
| Clarice Lee | Daughter | — | 7 | ~1933 |
| Almer Lee | Son | — | 11 | ~1929 |
| Ines Lee | Daughter | — | 13 | ~1927 |
| Dorothy Lee | Daughter | — | 5 | ~1935 |
| Anna Lee | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Traill, North …
Daughter, age 7
Traill, North Dakota · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Muriel J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | North Dakota |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Traill-County, North …
Daughter, age 16
Traill-County, North Dakota · implied b. ~1924 — 9 household members
| Surname | Lee |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Morgan Twp. |
| 1935 Residence (County) | Traill |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 16 · b. ~1924 · North Dakota
★ You are viewing this record
Sibling
Margaret Lee
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Lee
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ines Lee
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarice Lee
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Almer Lee
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Lee
Sibling · 1940 · age 5
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 — Traill-County, North Dakota
Open full size
1940 US Federal Census — Traill-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03016-00309)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amund B. Braaten | 73 | Head | Farmer | Norway |
| 2 | Arthur Braaten | 43 | Son | Farm Laborer | North Dakota |
| 3 | Harold Braaten | 34 | Son | Farm Laborer | North Dakota |
| 4 | Edna Braaten | 39 | Daughter | Housekeeper | North Dakota |
| 5 | Martin O. Osland | 56 | Head | Farmer | North Dakota |
| 6 | Sophia Osland | 52 | Wife | — | North Dakota |
| 7 | Ludvig Bulow | 47 | Head | Farmer | North Dakota |
| 8 | Tillie Bulow | 36 | Wife | — | North Dakota |
| 9 | Margaret Bulow | 11 | Daughter | — | North Dakota |
| 10 | Donald Bulow | 10 | Son | — | North Dakota |
| 11 | Charles Bulow | 7 | Son | — | North Dakota |
| 12 | Bernard Bulow | 5 | Son | — | North Dakota |
| 13 | Nagle William Bulow | 30 | Hired hand | Farm Laborer | North Dakota |
| 14 | Andrew R. Lee | 51 | Head | Farmer | North Dakota |
| 15 | Anna Lee | 47 | Wife | — | North Dakota |
| 16 | Harold Lee | 26 | Son | Farm Laborer | North Dakota |
| 17 | Margaret Lee | 18 | Daughter | Farm Laborer | North Dakota |
| 18 | Mildred Lee THIS PERSON | 16 | Daughter | — | North Dakota |
| 19 | Ines Lee | 13 | Daughter | — | North Dakota |
| 20 | Almer Lee | 11 | Son | — | North Dakota |
| 21 | Clarice Lee | 7 | Daughter | — | North Dakota |
| 22 | Dorothy Lee | 5 | Daughter | — | North Dakota |
| 23 | Helmer O. Lee | 34 | Head | Farmer | North Dakota |
| 24 | Olina Lee | 57 | Mother | — | North Dakota |
| 25 | Adeline Lee | 20 | Daughter | — | North Dakota |
| 26 | Howard Lee | 17 | Son | — | North Dakota |
| 27 | Glendora Lee | 13 | Daughter | — | North Dakota |
| 28 | Clarence Lokken | 35 | Head | Farmer | North Dakota |
| 29 | Evelyn Lokken | 32 | Wife | — | North Dakota |
| 30 | Jean Lokken | 13 | Daughter | — | North Dakota |
| 31 | Ernest Lokken | 11 | Son | — | North Dakota |
| 32 | Curtis Lokken | 7 | Son | — | North Dakota |
| 33 | Aldene Lokken | 5 | Daughter | — | North Dakota |
| 34 | Henry O. Lee | 47 | Head | Farmer | North Dakota |
| 35 | Ida Lee | 48 | Wife | — | North Dakota |
| 36 | Henry Lee | 18 | Son | — | North Dakota |
| 37 | Naomi Lee | 6 | Daughter | — | North Dakota |
| 38 | Peder O. Hjelmstad | 37 | Head | Farmer | North Dakota |
| 39 | Sarah Hjelmstad | 25 | Wife | Farmer | North Dakota |
| 40 | Edward S. Soliah | 55 | Head | Farmer | North Dakota |
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)