MD
Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rolette-County, North Dakota
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Rolette-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rolette-County, North Dakota |
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Rolette |
| 1935 Residence (County) | No Dak |
| Additional Details | |
| Occupation | House Wife |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | No Dak |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | House Wife |
| Township / Ward | St John Village |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Peter Dolan | Son | — | 19 | ~1921 |
| Nicholas Dolan | Son | — | 14 | ~1926 |
| Terrence Dolan | Son | — | 11 | ~1929 |
| W Dolan | Head | — | 55 | ~1885 |
| Mary Dolan | Spouse | — | 50 | ~1890 |
| Russell Dolan | Son | — | 14 | ~1926 |
Census Appearances
1930
Rolette, North …
Spouse, age 40
Rolette, North Dakota · implied b. ~1890 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 22 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Rolette-County, North …
Spouse, age 50
Rolette-County, North Dakota · implied b. ~1890 — 6 household members
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Rolette |
| 1935 Residence (County) | No Dak |
| Occupation | House Wife |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | No Dak |
| 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 Mary Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Spouse · 1940 · age 50 · b. ~1890 · 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 — Rolette-County, North Dakota
Open full size
1940 US Federal Census — Rolette-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03012-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lorraine Thibert | 8 | Daughter | — | North Dakota |
| 2 | Stella Thibert | 6 | Daughter | — | North Dakota |
| 3 | Alfred Thibert | 4 | Son | — | North Dakota |
| 4 | Lucille Thibert | 2 | Daughter | — | North Dakota |
| 5 | Raymond Thibert | 1 | Son | — | North Dakota |
| 6 | Laverne Thibert | 0 | Son | — | North Dakota |
| 7 | Richard Bibeau | 61 | Head | House Work | Canada French |
| 8 | Delia St Germaine | 32 | Daughter | Seamstress | North Dakota |
| 9 | Myron St Germaine | 2 | Grand Son | — | North Dakota |
| 10 | Gladys Richard | 13 | Grand Daughter | — | North Dakota |
| 11 | Bernice Richard | 12 | Grand Daughter | — | North Dakota |
| 12 | Willard Richard | 11 | Grand Son | — | North Dakota |
| 13 | Elmer Richard | 8 | Grand Son | — | North Dakota |
| 14 | Mose Trottier | 51 | Cousin | Helper | Canada French |
| 15 | John Richard | 64 | Head | Caretaker | Canada French |
| 16 | Mary Richard | 62 | Wife | — | Canada French |
| 17 | John A Daigneault | 30 | Nephew | Laborer | North Dakota |
| 18 | Wilfred Jeannotte | 25 | Lodger | Laborer | North Dakota |
| 19 | Josephine Jeannotte | 25 | Wife | — | North Dakota |
| 20 | Keith Jeannotte | 0 | Son | — | North Dakota |
| 21 | W. L. Dolan | 55 | Head | Crippled | Minnesota |
| 22 | Mary E. Dolan THIS PERSON | 50 | Wife | House Wife | North Dakota |
| 23 | Peter J. Dolan | 19 | Son | Laborer | North Dakota |
| 24 | Russell E. Dolan | 14 | Son | Laborer | North Dakota |
| 25 | Nicholas Dolan | 14 | Son | Laborer | North Dakota |
| 26 | Terrence Dolan | 11 | Son | — | North Dakota |
| 27 | Chas. M Hall | 58 | Head | Painter | North Dakota |
| 28 | Rachel R Hall | 55 | Wife | House Wife | North Dakota |
| 29 | Mary J. Hall | 20 | Daughter | House Work | North Dakota |
| 30 | Rachel Gladue | 96 | Mother in law | Old Age | North Dakota |
| 31 | Herbert Longtin | 53 | Head | — | Canada French |
| 32 | Alta M. Longtin | 55 | Wife | House Wife | Nebraska |
| 33 | Ila J. Longtin | 16 | Daughter | New Worker | North Dakota |
| 34 | Ileta F. Longtin | 13 | Daughter | — | North Dakota |
| 35 | Ernest W Langan | 27 | Head | Laborer | North Dakota |
| 36 | Ursula M Langan | 20 | Wife | House Wife | North Dakota |
| 37 | Marjorie J Langan | 0 | Daughter | — | North Dakota |
| 38 | John B Langan | 59 | Head | — | North Dakota |
| 39 | Marie R Langan | 49 | Wife | Seamstress | North Dakota |
| 40 | Frank V Langan | 18 | Son | New Worker | 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)