MD
Mary Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Croix-County, Wisconsin
Our Model Tree links this Mary Donahue across the 1930 and 1940 US Censuses in St.-Croix-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Croix-County, Wisconsin |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | St. Croix |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Erin Prairie |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 17 | ~1923 |
| Marguerite Donahue | Daughter | — | 10 | ~1930 |
| Helen Donahue | Daughter | — | 2 | ~1938 |
| John Donahue | Head | — | 52 | ~1888 |
| Henry Riley | Other | — | 40 | ~1900 |
| Paul Donahue | Son | — | 15 | ~1925 |
| Patrick Donahue | Son | — | 9 | ~1931 |
| John Donahue | Son | — | 19 | ~1921 |
| Francis Donahue | Son | — | 4 | ~1936 |
| Thomas Donahue | Son | — | 5 | ~1935 |
| Agnes Donahue | Spouse | — | 43 | ~1897 |
Census Appearances
1930
St Croix, …
Daughter, age 6
St Croix, Wisconsin · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
St.-Croix-County, Wisconsin
Daughter, age 17
St.-Croix-County, Wisconsin · implied b. ~1923 — 11 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | St. Croix |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Donahue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donahue
Daughter · 1940 · age 17 · b. ~1923 · Wisconsin
★ You are viewing this record
Sibling
Paul Donahue
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Donahue
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Donahue
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Donahue
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donahue
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donahue
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donahue
Sibling · 1940 · age 5
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 — St.-Croix-County, Wisconsin
Open full size
1940 US Federal Census — St.-Croix-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04522-00164)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herman Anderson | 26 | Servant | Common Labor | Wisconsin |
| 42 | Charles Haren | 37 | Head | Farmer | Wisconsin |
| 43 | Anna Haren | 31 | Wife | Housework | Wisconsin |
| 44 | Emma Haren | 75 | Mother | — | Pennsylvania |
| 45 | Russell La Pointe | 43 | Servant | Farmer | Wisconsin |
| 46 | Mary Paddlow | 72 | Head | — | Wisconsin |
| 47 | John P. Paddlow | 48 | Son | Farmer | Wisconsin |
| 48 | James Paddlow | 46 | Brother | Farmer | Wisconsin |
| 49 | G. W. Haren | 52 | Head | Farmer | Minnesota |
| 50 | Clara Haren | 50 | Wife | — | Wisconsin |
| 51 | Verna Haren | 18 | Daughter | — | Wisconsin |
| 52 | Delmar Haren | 14 | Son | — | Wisconsin |
| 53 | Lily Haren | 12 | Daughter | — | Wisconsin |
| 54 | Howard Haren | 21 | Son | Common Labor | Wisconsin |
| 55 | Alice Haren | 21 | Daughter in law | — | Wisconsin |
| 56 | Barbara Haren | 2 | Granddaughter | — | Wisconsin |
| 57 | Russell Thirty | 34 | Head | Farmer | Wisconsin |
| 58 | Mae Thirty | 25 | Wife | — | Wisconsin |
| 59 | Colleen Thirty | 3 | Daughter | — | Wisconsin |
| 60 | Mary Thirty | 2 | Daughter | — | Wisconsin |
| 61 | Henry Riley | 23 | Servant | Farm Hand | Wisconsin |
| 62 | Martin Ellison | 18 | Servant | Farm Hand | Wisconsin |
| 63 | John Geraghty | 21 | Servant | Farm Hand | Wisconsin |
| 64 | John Donahue | 52 | Head | Farmer | Wisconsin |
| 65 | Agnes Donahue | 43 | Wife | — | Wisconsin |
| 66 | John Donahue | 19 | Son | Farm Hand | Wisconsin |
| 67 | Mary Donahue THIS PERSON | 17 | Daughter | — | Wisconsin |
| 68 | Paul Donahue | 15 | Son | — | Wisconsin |
| 69 | Marguerite Donahue | 10 | Daughter | — | Minnesota |
| 70 | Patrick Donahue | 9 | Son | — | Minnesota |
| 71 | Thomas Donahue | 5 | Son | — | Minnesota |
| 72 | Francis Donahue | 4 | Son | — | Wisconsin |
| 73 | Helen Donahue | 2 | Daughter | — | Minnesota |
| 74 | Henry Riley | 40 | Servant | Farm Hand | Wisconsin |
| 75 | Edward Mcandrew | 75 | Head | — | Maryland |
| 76 | Annie Mcandrew | 73 | Wife | — | Wisconsin |
| 77 | Gordon Mcandrew | 42 | Son | Farmer | Wisconsin |
| 78 | Allan Mcandrew | 36 | Son | Farmer | Wisconsin |
| 79 | Anne Mcandrew | 29 | Daughter in law | — | Wisconsin |
| 80 | John Mcandrew | 3 | Grandson | — | Wisconsin |
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)