MD
Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Swift-County, Minnesota
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Swift-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 10-person household.
Age 32
b. ~1908
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Swift-County, Minnesota |
| Surname | Dolan |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Six Mile Grove Twp. T. 121, R. 40 |
| 1935 Residence (County) | Swift |
| Additional Details | |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 880 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Teacher |
| Township / Ward | Six Mile Grove Twp T 121 R 40 |
| Est. Birth Year | ~1908 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lorelle Dolan | Daughter | — | 24 | ~1916 |
| Charles Dolan | Son | — | 23 | ~1917 |
| Belle Dolan | Head | — | 59 | ~1881 |
| James Dolan | Son | — | 17 | ~1923 |
| Terrence Dolan | Son | — | 19 | ~1921 |
| Frank Dolan | Son | — | 21 | ~1919 |
| Elizabeth Dolan | Daughter | — | 28 | ~1912 |
| Thomas Dolan | Son | — | 34 | ~1906 |
| Arthur Dolan | Son | — | 15 | ~1925 |
| Mary Dolan | Daughter | — | 32 | ~1908 |
Census Appearances
1930
Swift, Minnesota
Daughter, age 22
Swift, Minnesota · implied b. ~1908 — 22 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Swift-County, Minnesota
Daughter, age 32
Swift-County, Minnesota · implied b. ~1908 — 10 household members
| Surname | Dolan |
| Given Name | Mary F. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Six Mile Grove Twp. T. 121, R. 40 |
| 1935 Residence (County) | Swift |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 880 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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.
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This person
Anchor record
Mary Dolan
Daughter · 1940 · age 32 · b. ~1908 · Minnesota
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Sibling
Lorelle Dolan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dolan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dolan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Dolan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dolan
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Terrence Dolan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dolan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Dolan
Sibling · 1940 · age 15
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 — Swift-County, Minnesota
Open full size
1940 US Federal Census — Swift-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01963-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul R. Razink | 1 | son | — | Minnesota |
| 2 | Conrad Johnson | 37 | Head | Farmer | Minnesota |
| 3 | Anna Johnson | 76 | Mother | — | Norway |
| 4 | Ernest A. Dekouboly | 44 | Head | Farmer | Illinois |
| 5 | Julia B. Dekouboly | 44 | wife | — | Minnesota |
| 6 | Robert S. Maras | 17 | hired man | Laborer | Minnesota |
| 7 | Wallace Schruth | 18 | hired man | Laborer | Minnesota |
| 8 | James M. Mckee | 59 | Head | Farmer | Minnesota |
| 9 | Christian Petersen | 57 | hired man | Laborer | Minnesota |
| 10 | Josephine M. Malsen | 61 | Head | — | Minnesota |
| 11 | John J. Malsen | 39 | son | Farmer | Minnesota |
| 12 | Michael F. Malsen | 33 | son | Farmer | Minnesota |
| 13 | Hubert P. Malsen | 30 | son | Farmer | Minnesota |
| 14 | Louise J. Malsen | 24 | daughter | Housekeeper | Minnesota |
| 15 | Charles W. Malsen | 19 | son | Farmer | Minnesota |
| 16 | Marian J. Malsen | 17 | daughter | — | Minnesota |
| 17 | Louise Matthiesen | 89 | mother | — | Ohio |
| 18 | Adolph Cornelisen | 56 | Head | Farmer | Minnesota |
| 19 | Clara C. Cornelisen | 50 | wife | — | Minnesota |
| 20 | Guri Harvey | 89 | mother-in-law | — | Norway |
| 21 | Otto Paschadel | 38 | hired man | Hired Man | Germany |
| 22 | Melvin Johnson | 41 | hired man | Hired Man | Iowa |
| 23 | Belle Frances Dolan | 59 | Head | — | Minnesota |
| 24 | Thomas J. Dolan | 34 | son | Farmer | Minnesota |
| 25 | Mary F. Dolan THIS PERSON | 32 | daughter | Teacher | Minnesota |
| 26 | Charles F. Dolan | 23 | son | Bus Driver | Minnesota |
| 27 | Elizabeth C. Dolan | 28 | daughter | — | Minnesota |
| 28 | Lorelle Ann Dolan | 24 | daughter | — | Minnesota |
| 29 | Frank C. Dolan | 21 | son | Farmer | Minnesota |
| 30 | Terrence K. Dolan | 19 | son | Farmer | Minnesota |
| 31 | James J. Dolan | 17 | son | — | Minnesota |
| 32 | Arthur P. Dolan | 15 | son | — | Minnesota |
| 33 | Eddie L. Kram | 34 | Head | Farmer | Minnesota |
| 34 | Minnie J. Kram | 33 | wife | — | Minnesota |
| 35 | Eldon M. Kram | 9 | son | — | Minnesota |
| 36 | John C. Kram | 6 | son | — | Minnesota |
| 37 | S. Peter | 77 | Father | — | Norway |
| 38 | Helmer J. Offerdahl | 30 | hired man | Hired Man | Minnesota |
| 39 | Alice Carryell | 20 | lodger | Teacher | Minnesota |
| 40 | Orin L. Kram | 39 | Head | Farmer | 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)