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John Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Redwood-County, Minnesota
Our Model Tree links this John Dolan across the 1930 and 1940 US Censuses in Redwood-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 14-person household.
Age 13
b. ~1927
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Redwood-County, Minnesota |
| Surname | Dolan |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sheridan Township |
| 1935 Residence (County) | Redwood |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Sheridan Township |
| Est. Birth Year | ~1927 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Donald Dolan | Son | — | 5 | ~1935 |
| Patrick Dolan | Son | — | 22 | ~1918 |
| Margaret Dolan | Daughter | — | 16 | ~1924 |
| Nora Dolan | Daughter | — | 7 | ~1933 |
| John Dolan | Son | — | 13 | ~1927 |
| Joe Dolan | Son | — | 20 | ~1920 |
| Agnes Dolan | Daughter | — | 18 | ~1922 |
| Louis Dolan | Son | — | 25 | ~1915 |
| Mary Dolan | Daughter | — | 15 | ~1925 |
| Dorothy Dolan | Daughter | — | 12 | ~1928 |
| Mary Dolan | Spouse | — | 49 | ~1891 |
| John Dolan | Head | — | 50 | ~1890 |
| Lawrence Dolan | Son | — | 9 | ~1931 |
| Mark Dolan | Son | — | 10 | ~1930 |
Census Appearances
1930
Redwood, Minnesota
Son, age 3
Redwood, Minnesota · implied b. ~1927 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | John Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Redwood-County, Minnesota
Son, age 13
Redwood-County, Minnesota · implied b. ~1927 — 14 household members
| Surname | Dolan |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sheridan Township |
| 1935 Residence (County) | Redwood |
| Highest Grade | No 7 |
| 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 John Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dolan
Son · 1940 · age 13 · b. ~1927 · Minnesota
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Sibling
Dorothy Dolan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Dolan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mark Dolan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Dolan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Dolan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Dolan
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Dolan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Dolan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Dolan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dolan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dolan
Sibling · 1940 · age 16
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 — Redwood-County, Minnesota
Open full size
1940 US Federal Census — Redwood-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01951-00333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel Mielke | 50 | Wife | — | North Dakota |
| 2 | Elgin Mielke | 22 | Son | Farm Hand | Minnesota |
| 3 | June Mielke | 17 | Daughter | — | Minnesota |
| 4 | Velora Mcclain | 22 | Daughter | — | Minnesota |
| 5 | Hettie Mcclain | 4 | Daughter | — | Minnesota |
| 6 | Herman Blankenhagen | 38 | Head | Farmer | Minnesota |
| 7 | Agnes Blankenhagen | 30 | Wife | — | North Dakota |
| 8 | Darwin Blankenhagen | 12 | Son | — | Minnesota |
| 9 | Luvern Blankenhagen | 9 | Son | — | Minnesota |
| 10 | John O Dolan | 50 | Head | Farmer | Minnesota |
| 11 | Mary Dolan | 49 | Wife | — | Minnesota |
| 12 | Louis Dolan | 25 | Son | Farm Hand | Minnesota |
| 13 | Patrick Dolan | 22 | Son | Farm Hand | Minnesota |
| 14 | Joe Dolan | 20 | Son | — | Minnesota |
| 15 | Agnes (A.) Dolan | 18 | Daughter | — | Minnesota |
| 16 | Margaret Dolan | 16 | Daughter | — | Minnesota |
| 17 | Mary Ellen Dolan | 15 | Daughter | — | Minnesota |
| 18 | John F. Dolan THIS PERSON | 13 | Son | — | Minnesota |
| 19 | Dorothy Dolan | 12 | Daughter | — | Minnesota |
| 20 | Mark Dolan | 10 | Son | — | Minnesota |
| 21 | Lawrence Dolan | 9 | Son | — | Minnesota |
| 22 | Nora Dolan | 7 | Daughter | — | Minnesota |
| 23 | Donald Dolan | 5 | Son | — | Minnesota |
| 24 | Henry Roller | 37 | Head | Farmer | Minnesota |
| 25 | Mary Roller | 39 | Wife | — | Minnesota |
| 26 | Joan Roller | 8 | Daughter | — | Minnesota |
| 27 | Gilbert Roller | 6 | Son | — | Minnesota |
| 28 | Elizabeth Roller | 3 | Daughter | — | Minnesota |
| 29 | Joseph Roller | 1 | Son | — | Minnesota |
| 30 | Michael Roller | 76 | Father | — | Minnesota |
| 31 | Richard Morck | 73 | Head | — | Minnesota |
| 32 | Gustina Morck | 62 | Wife | — | Denmark |
| 33 | Stanford Morck | 28 | Son | Farm Hand | Minnesota |
| 34 | Kenneth Morck | 22 | Son | Ccc | Minnesota |
| 35 | Quentin Morck | 19 | Son | Farm Hand | Minnesota |
| 36 | Lester Morck | 40 | Son | Mechanic | Minnesota |
| 37 | Edna Morck | 34 | Daughter-in-law | — | Minnesota |
| 38 | Castle Morck | 12 | Nephew | — | Minnesota |
| 39 | Gwendolyn Morck | 10 | Niece | — | Minnesota |
| 40 | Russell Morck | 7 | Nephew | — | 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)