MF
Mary Fitzpatrick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Taylor-County, Wisconsin
Our Model Tree links this Mary Fitzpatrick across the 1930 and 1940 US Censuses in Taylor-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Taylor-County, Wisconsin |
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Taylor |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Aurora Township |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| M Fitzpatrick | Daughter | — | 12 | ~1928 |
| Ruthie Fitzpatrick | Daughter | — | 19 | ~1921 |
| Mary Fitzpatrick | Daughter | — | 16 | ~1924 |
| Dennis Fitzpatrick | Head | — | 49 | ~1891 |
| Robert Fitzpatrick | Son | — | 14 | ~1926 |
| Richard Fitzpatrick | Son | — | 6 | ~1934 |
| William Fitzpatrick | Son | — | 17 | ~1923 |
| Dennis Fitzpatrick | Son | — | 3 | ~1937 |
| Myrtle Fitzpatrick | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Taylor, Wisconsin
Daughter, age 6
Taylor, Wisconsin · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| 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 | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Taylor-County, Wisconsin
Daughter, age 16
Taylor-County, Wisconsin · implied b. ~1924 — 9 household members
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Taylor |
| Highest Grade | Hs 3 |
| 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 Fitzpatrick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fitzpatrick
Daughter · 1940 · age 16 · b. ~1924 · Wisconsin
★ You are viewing this record
Sibling
Ruthie Fitzpatrick
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fitzpatrick
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dennis Fitzpatrick
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzpatrick
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Fitzpatrick
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Fitzpatrick
Sibling · 1940 · age 12
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 — Taylor-County, Wisconsin
Open full size
1940 US Federal Census — Taylor-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04528-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dennis Fitzpatrick | 49 | Head | Carpenter | Wisconsin |
| 42 | Myrtle Fitzpatrick | 39 | Wife | — | Wisconsin |
| 43 | Ruthie A. Fitzpatrick | 19 | Daughter | — | Wisconsin |
| 44 | William Fitzpatrick | 17 | Son | — | Wisconsin |
| 45 | Mary Fitzpatrick THIS PERSON | 16 | Daughter | — | Wisconsin |
| 46 | Robert Fitzpatrick | 14 | Son | — | Wisconsin |
| 47 | M. Estella Fitzpatrick | 12 | Daughter | — | Wisconsin |
| 48 | Richard Fitzpatrick | 6 | Son | — | Wisconsin |
| 49 | Dennis Jr. Fitzpatrick | 3 | Son | — | Wisconsin |
| 50 | Herman Peters | 73 | Head | — | Indiana |
| 51 | Millie Peters | 69 | Wife | — | Indiana |
| 52 | Arthur Peters | 48 | Head | Farmer | Indiana |
| 53 | Frank Duffy | 53 | Head | Farmer | Wisconsin |
| 54 | Agatha Duffy | 53 | Wife | — | Wisconsin |
| 55 | Edmund Duffy | 22 | Son | Laborer | Wisconsin |
| 56 | Leo Duffy | 19 | Son | Farm Laborer | Wisconsin |
| 57 | Harold Duffy | 16 | Son | — | Wisconsin |
| 58 | Gerald Duffy | 13 | Son | — | Wisconsin |
| 59 | Helen Duffy | 11 | Daughter | — | Wisconsin |
| 60 | Joseph D. Frost | 62 | Head | Carpenter | Iowa |
| 61 | Naomi Frost | 57 | Wife | — | Iowa |
| 62 | Gilbert Halvorson | 48 | Head | Beekeeper | Wisconsin |
| 63 | William Erickson | 55 | Head | Laborer | Wisconsin |
| 64 | Dorothy Erickson | 45 | Wife | — | Wisconsin |
| 65 | Wilma Erickson | 20 | Daughter | Servant | Wisconsin |
| 66 | Elaine Erickson | 18 | Daughter | — | Wisconsin |
| 67 | Thelma Erickson | 17 | Daughter | Librarian | Wisconsin |
| 68 | Joseph D. Bull | 59 | Head | Farmer | Wisconsin |
| 69 | Alice Bull | 57 | Wife | — | Wisconsin |
| 70 | Robert Olsen | 30 | Head | Farmer | Wisconsin |
| 71 | Lola Olsen | 30 | Wife | School Teacher | Wisconsin |
| 72 | Leo Olsen | 32 | Head | Farmer | Wisconsin |
| 73 | Helen Olsen | 35 | Wife | — | Wisconsin |
| 74 | Nancy Lee Olsen | 7 | Daughter | — | Wisconsin |
| 75 | Donald Olsen | 5 | Son | — | Wisconsin |
| 76 | John Olsen | 1 | Daughter | — | Wisconsin |
| 77 | Herbert Donner | 55 | Head | Farmer | Wisconsin |
| 78 | Jeanette Donner | 44 | Wife | — | Wisconsin |
| 79 | Ross Donner | 17 | Son | Farm Laborer | Wisconsin |
| 80 | Leon Donner | 13 | Son | — | Wisconsin |
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)