MF
Mary Fitzpatrick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Johnson, Iowa
Our Model Tree links this Mary Fitzpatrick across the 1920 and 1930 US Censuses in Johnson, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 10
b. ~1920
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Johnson, Iowa |
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 10 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | East Lucas Township |
| Est. Birth Year | ~1920 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Fitzpatrick | Daughter | — | 10 | ~1920 |
| Jean Fitzpatrick | Daughter | — | 12 | ~1918 |
| Alice Fitzpatrick | Daughter | — | 12 | ~1918 |
| Patricia Fitzpatrick | Daughter | — | 1 | ~1929 |
| Agnes Fitzpatrick | Daughter | — | 7 | ~1923 |
| Fitzpatrick 99 100 | Head | — | 52 | ~1878 |
| Nellie Fitzpatrick | Other | — | 41 | ~1889 |
| Mike Fitzpatrick | Other | — | 53 | ~1877 |
| Ray Fitzpatrick | Son | — | 18 | ~1912 |
| Donald Fitzpatrick | Son | — | 14 | ~1916 |
| Richard Fitzpatrick | Son | — | 17 | ~1913 |
Census Appearances
1920
Johnson, Iowa
Daughter, age
Johnson, Iowa · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Johnson, Iowa
Daughter, age 10
Johnson, Iowa · implied b. ~1920 — 11 household members
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | 10 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 (1920 and 1930) in Johnson, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fitzpatrick
Daughter · 1930 · age 10 · b. ~1920 · Iowa
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Sibling
Alice Fitzpatrick
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Fitzpatrick
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Fitzpatrick
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzpatrick
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Fitzpatrick
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Fitzpatrick
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Fitzpatrick
Sibling · 1930 · age 14
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
1930 US Federal Census — Johnson, Iowa
Open full size
1930 US Federal Census — Johnson, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel661:0534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond J. Murphy | 9 | Son | — | Iowa |
| 2 | Marie E. Murphy | 7 | Daughter | — | Iowa |
| 3 | Ruth I. Murphy | 5 | Daughter | — | Iowa |
| 4 | Rita M. Murphy | 3 | Daughter | — | Iowa |
| 5 | Bryant 92 93 | 55 | Head | Farm Labor | Iowa |
| 6 | Cox 93 94 | 41 | Head | Farmer | Irish Free State |
| 7 | Nellie M. Cox | 33 | Wife-H | — | Illinois |
| 8 | Charles F. Cox | 15 | Son | — | Iowa |
| 9 | Ernest Cox | 13 | Son | — | Iowa |
| 10 | Raymond A. Cox | 11 | Son | — | Iowa |
| 11 | Eugene F. Cox | 8 | Son | — | Iowa |
| 12 | Alice M. Cox | 3 | Daughter | — | Iowa |
| 13 | Hunter 94 95 | 47 | Head | Farmer | Kansas |
| 14 | Ida Hunter | 47 | Wife-H | — | Illinois |
| 15 | Marshall C. Hunter | 17 | Son | — | Illinois |
| 16 | Lawrence E. Hunter | 12 | Son | — | Iowa |
| 17 | Bert S. Hunter | 10 | Son | — | Iowa |
| 18 | Miller 95 96 | 46 | Head | Laborer | Kansas |
| 19 | Hattie B. Miller | 39 | Wife-H | — | Maryland |
| 20 | Richard E. Miller | 13 | Son | — | Iowa |
| 21 | Robert Miller | 10 | Son | — | Iowa |
| 22 | Zahner 96 97 | 47 | Head | Farmer | Iowa |
| 23 | Barbara J. Zahner | 40 | Wife-H | — | Iowa |
| 24 | John E. Zahner | 21 | Son | Farm Labor | Iowa |
| 25 | Richard Frank E. Zahner | 20 | Son | Baker | Iowa |
| 26 | Ames 97 98 | 57 | Head | Farmer | Iowa |
| 27 | Jessie Ames | 47 | Wife-H | — | Iowa |
| 28 | Donald G. Ames | 21 | Son | Plumber | Iowa |
| 29 | Edith G. Ames | 15 | Daughter | — | Iowa |
| 30 | Edwin E. Ames | 12 | Son | — | Iowa |
| 31 | Crane 98 99 | 73 | Head | — | Iowa |
| 32 | Clara Crane | 66 | Wife-H | — | Iowa |
| 33 | Fitzpatrick 99 100 | 52 | Head | Farmer | Iowa |
| 34 | Nellie G. Fitzpatrick | 41 | Wife-H | — | Iowa |
| 35 | Ray S. Fitzpatrick | 18 | Son | — | Iowa |
| 36 | Richard M. Fitzpatrick | 17 | Son | Farm Labor | Iowa |
| 37 | Donald M. Fitzpatrick | 14 | Son | — | Iowa |
| 38 | Jean Fitzpatrick | 12 | Daughter | — | Iowa |
| 39 | Alice Fitzpatrick | 12 | Daughter | — | Iowa |
| 40 | Mary Fitzpatrick THIS PERSON | 10 | Daughter | — | Iowa |
| 41 | Agnes Fitzpatrick | 7 | Daughter | — | Iowa |
| 42 | Patricia Fitzpatrick | 1 | Daughter | — | Iowa |
| 43 | Mike H. Fitzpatrick | 53 | Brother | — | Iowa |
| 44 | Carson 100 101 | 53 | Head | Farmer | Illinois |
| 45 | Cora B. Carson | 52 | Wife-H | — | Iowa |
| 46 | Jordan 101 102 | 32 | Head | Mail Carrier | Iowa |
| 47 | Grace Jordan | 33 | Wife-H | — | Iowa |
| 48 | Kathryn Jordan | 12 | Daughter | — | Iowa |
| 49 | Ruth Jordan | 8 | Daughter | — | Iowa |
| 50 | Robert W. Jordan | 5 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)