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Martha Lee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, North Dakota
Our Model Tree links this Martha Lee across the 1920, 1930 and 1940 US Censuses in Ramsey-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, North Dakota |
| Surname | Lee |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Hammer |
| 1935 Residence (County) | Ramsey |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Hammer |
| Est. Birth Year | ~1867 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Hans Lee | Head | — | 78 | ~1862 |
| Leonard Lee | Son | — | 39 | ~1901 |
| Martha Lee | Spouse | — | 73 | ~1867 |
Census Appearances
1920
Ramsey, North …
Spouse, age 52
Ramsey, North Dakota · implied b. ~1868 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Ramsey, North …
Spouse, age 63
Ramsey, North Dakota · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Ramsey-County, North …
Spouse, age 73
Ramsey-County, North Dakota · implied b. ~1867 — 3 household members
| Surname | Lee |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Hammer |
| 1935 Residence (County) | Ramsey |
| Naturalization Status | Naturalized |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Martha Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Lee
Spouse · 1940 · age 73 · b. ~1867 · North Dakota
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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 — Ramsey-County, North Dakota
Open full size
1940 US Federal Census — Ramsey-County, North Dakota
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-03010-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Gjovre | 32 | Head | Farmer | No. Dakota |
| 42 | Edna Gjovre | 28 | Wife | — | No. Dakota |
| 43 | Lois Ann Gjovre | 9 | Daughter | — | No. Dakota |
| 44 | Hans O. Lee | 78 | Head | Farmer | Norway |
| 45 | Martha Lee THIS PERSON | 73 | Wife | — | Norway |
| 46 | Leonard Lee | 39 | Son | Farmer | No. Dakota |
| 47 | Arthur J. Lee | 47 | Head | Farmer | No. Dakota |
| 48 | Clara Lee | 51 | Wife | — | No. Dakota |
| 49 | Beverly Lee | 14 | Daughter | — | No. Dakota |
| 50 | Peter Reando | 37 | Head | Farmer | Minnesota |
| 51 | Evelyn Reando | 34 | Wife | — | Minnesota |
| 52 | Robert Reando | 12 | Son | — | No. Dakota |
| 53 | Mathilda Kockelberg | 59 | Head | — | Wisconsin |
| 54 | James R. Hall | 45 | Head | Laborer | Pennsylvania |
| 55 | Rosa Hall | 48 | Wife | Servant | Pennsylvania |
| 56 | Grover King | 44 | Head | Laborer | No. Dakota |
| 57 | Helen King | 33 | Wife | — | Minnesota |
| 58 | Patricia King | 5 | Daughter | — | No. Dakota |
| 59 | Marilee Judith King | 2 | Daughter | — | No. Dakota |
| 60 | Joseph Redmond | 51 | Head | Farmer | Minnesota |
| 61 | Ingvald Sand | 43 | Head | Rural Letter Carrier | No. Dak. |
| 62 | Louise E. Sand | 41 | Wife | — | No. Dak. |
| 63 | Darrel L. Sand | 19 | Son | — | No. Dak. |
| 64 | Delbert L. Sand | 17 | Son | — | No. Dak. |
| 65 | Avis L. Sand | 16 | Daughter | — | No. Dak. |
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)