MH
Mary Hurley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this Mary Hurley across the 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Hurley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Mendota T. |
| 1935 Residence (County) | Dakota |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office Bldg. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 730 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Stenographer |
| Township / Ward | Mendota T |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Hurley | Daughter | — | 12 | ~1928 |
| Lois Hurley | Daughter | — | 13 | ~1927 |
| Patricia Hurley | Daughter | — | 15 | ~1925 |
| Carol Hurley | Daughter | — | 4 | ~1936 |
| Eileen Hurley | Daughter | — | 21 | ~1919 |
| Mary Hurley | Daughter | — | 22 | ~1918 |
| Jean Hurley | Daughter | — | 12 | ~1928 |
| Jeremiah Hurley | Daughter | — | 18 | ~1922 |
| Leo Hurley | Head | — | 48 | ~1892 |
| Leo Hurley | Son | — | 13 | ~1927 |
| Ella Hurley | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Dakota, Minnesota
Daughter, age 12
Dakota, Minnesota · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hurley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Dakota-County, Minnesota
Daughter, age 22
Dakota-County, Minnesota · implied b. ~1918 — 11 household members
| Surname | Hurley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Mendota T. |
| 1935 Residence (County) | Dakota |
| Occupation | Stenographer |
| Industry | Office Bldg. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 730 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Hurley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hurley
Daughter · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Jane Hurley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Hurley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Hurley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Hurley
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Hurley
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Hurley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeremiah Hurley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Hurley
Sibling · 1940 · age 4
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 — Dakota-County, Minnesota
Open full size
1940 US Federal Census — Dakota-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01917-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geraldine Kraiss | 36 | Wife | — | Michigan |
| 2 | Katherine Kraiss | 76 | Mother | — | Michigan |
| 3 | Jane Kraiss | 22 | Niece | Waitress | Minnesota |
| 4 | Leo Hurley | 48 | Head | Mechanic | Indiana |
| 5 | Ella Hurley | 49 | Wife | — | Minnesota |
| 6 | Mary Hurley THIS PERSON | 22 | Daughter | Stenographer | Indiana |
| 7 | Eileen Hurley | 21 | Daughter | New Worker | Minnesota |
| 8 | Jeremiah Hurley | 18 | Daughter | New Worker | Minnesota |
| 9 | Patricia Hurley | 15 | Daughter | — | Minnesota |
| 10 | Leo Hurley | 13 | Son | — | Minnesota |
| 11 | Lois Hurley | 13 | Daughter | — | Minnesota |
| 12 | Jean Hurley | 12 | Daughter | — | Minnesota |
| 13 | Jane Hurley | 12 | Daughter | — | Minnesota |
| 14 | Carol Hurley | 4 | Daughter | — | Minnesota |
| 15 | Francis Cartier | 53 | Head | Engineer | Minnesota |
| 16 | Philomene Cartier | 48 | Wife | — | Minnesota |
| 17 | Harry Cartier | 20 | Son | — | Minnesota |
| 18 | Francis Jr. Cartier | 19 | Son | New Worker | Minnesota |
| 19 | Edward Cartier | 17 | Son | New Worker | Minnesota |
| 20 | Lorraine Cartier | 14 | Daughter | — | Minnesota |
| 21 | Edward O. Mackay | 33 | Head | Well Driller | Minnesota |
| 22 | Myrtle Mackay | 25 | Wife | — | Minnesota |
| 23 | Carmita Mackay | 3 | Daughter | — | Minnesota |
| 24 | Jo Ann Mackay | 1 | Daughter | — | Minnesota |
| 25 | Donald Haran | 26 | Head | Insurance Agent | Minnesota |
| 26 | Harriett Haran | 27 | Wife | — | Wisconsin |
| 27 | Russell Hendrickson | 38 | Head | Truck Driver | Minnesota |
| 28 | Margaret Hendrickson | 34 | Wife | — | Minnesota |
| 29 | Shirley Hendrickson | 15 | Daughter | — | Minnesota |
| 30 | Russell Jr. Hendrickson | 12 | Son | — | Minnesota |
| 31 | Charles Hendrickson | 9 | Son | — | Minnesota |
| 32 | Angeline Hendrickson | 2 | Daughter | — | Minnesota |
| 33 | Thomas Brezney | 42 | Head | Laborer | Nebraska |
| 34 | Gladys Brezney | 47 | Wife | — | Minnesota |
| 35 | William Low | 50 | Head | Laborer | Minnesota |
| 36 | Lillian D. Low | 47 | Wife | — | Minnesota |
| 37 | Robert Low | 19 | Son | — | Minnesota |
| 38 | James Low | 15 | Son | — | Minnesota |
| 39 | Elizabeth Low | 9 | Daughter | — | Minnesota |
| 40 | Frederick Dehann | 54 | Head | Trucker | Holland |
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)