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Mary Mcdonnell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Nebraska
Our Model Tree links this Mary Mcdonnell across the 1920 and 1930 US Censuses in Jefferson, Nebraska (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Female
Daughter
Born: Nebraska
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Nebraska |
| Surname | McDonnell |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Fairbury City |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Mcdonnell | Spouse | — | 47 | ~1883 |
| Gertrude Mcdonnell | Daughter | — | 14 | ~1916 |
| Robert Mcdonnell | Son | — | 19 | ~1911 |
| Mary Mcdonnell | Daughter | — | 17 | ~1913 |
| Thomas Mcdonnell | Son | — | 9 | ~1921 |
| William Mcdonnell | Head | — | 54 | ~1876 |
| John Mcdonnell | Son | — | 12 | ~1918 |
Census Appearances
1920
Jefferson, Nebraska
Daughter, age 7
Jefferson, Nebraska · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Jefferson, Nebraska
Daughter, age 17
Jefferson, Nebraska · implied b. ~1913 — 7 household members
| Surname | McDonnell |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Mcdonnell across 2 US Census years (1920 and 1930) in Jefferson, Nebraska, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonnell
Daughter · 1930 · age 17 · b. ~1913 · Nebraska
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Sibling
Robert Mcdonnell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonnell
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdonnell
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mcdonnell
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 — Jefferson, Nebraska
Open full size
1930 US Federal Census — Jefferson, Nebraska
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1283unit:0988)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edgar D. Taylor | 24 | Head | Pasturizer | Nebraska |
| 2 | Josephine Taylor | 27 | Wife | Stenographer | Oklahoma |
| 3 | Bertha Orman | 18 | Sister-in-law | Packing-Dindall | Nebraska |
| 4 | Elizabeth F. Green | 76 | Head | None | Indiana |
| 5 | Frank Busboom | 40 | Head | Genl Contractor | Nebraska |
| 6 | Fannie Busboom | 29 | Wife | None | Arkansas |
| 7 | Elaine Busboom | 12 | Daughter | None | Kansas |
| 8 | John Busboom | 7 | Son | None | Nebraska |
| 9 | Margaret Matzke | 73 | Mother | None | Iowa |
| 10 | James E. Mcallister | 57 | Head | Cashier | Nebraska |
| 11 | Sarah Mcallister | 52 | Wife | None | Nebraska |
| 12 | Anna Mcallister | 20 | Daughter | Stenographer | Nebraska |
| 13 | Alyce A. Staley | 29 | Head | None | Illinois |
| 14 | Heta Staley | 3 | Daughter | None | Nebraska |
| 15 | Daniel M. Livingston | 81 | Head | None | Ohio |
| 16 | Mary Livingston | 68 | Wife | None | Iowa |
| 17 | Mabel Livingston | 36 | Daughter | None | Nebraska |
| 18 | William Mcdonnell | 54 | Head | Merchant | Wisconsin |
| 19 | Genevieve Mcdonnell | 47 | Wife | None | Missouri |
| 20 | Robert W. Mcdonnell | 19 | Son | Salesman | Nebraska |
| 21 | Mary J. Mcdonnell THIS PERSON | 17 | Daughter | None | Nebraska |
| 22 | Gertrude E. Mcdonnell | 14 | Daughter | None | Nebraska |
| 23 | John W. Mcdonnell | 12 | Son | None | Nebraska |
| 24 | Thomas R. Mcdonnell | 9 | Son | None | Nebraska |
| 25 | Edward S. Hawes | 42 | Head | Salesman | Nebraska |
| 26 | Mary Hawes | 42 | Wife | None | Illinois |
| 27 | Muriel Hawes | 17 | Daughter | Office Girl | Nebraska |
| 28 | Mary R. Hawes | 14 | Daughter | None | Nebraska |
| 29 | Richard Hawes | 12 | Son | None | Nebraska |
| 30 | William R. Hawes | 9 | Son | None | Nebraska |
| 31 | Charlotte Hawes | 7 | Daughter | None | Nebraska |
| 32 | Gordon Hawes | 2 | Son | None | Nebraska |
| 33 | Zora Russell | 80 | Mother-in-law | None | New Brunswick |
| 34 | Paul E. Smith | 28 | Head | Signalman | Missouri |
| 35 | Cora Smith | 28 | Wife | None | Colorado |
| 36 | Alice Smith | 4 | Daughter | None | Colorado |
| 37 | Cora Collier | 62 | Head | None | Iowa |
| 38 | Ruth Doughty | 36 | Daughter | Bookkeeper | Nebraska |
| 39 | Paul Doughty | 10 | Grandson | None | Nebraska |
| 40 | William G. Doughty | 4 | Grandson | None | Nebraska |
| 41 | Harry E. Porter | 54 | Head | Physician | Illinois |
| 42 | Nina E. Porter | 47 | Wife | None | Kansas |
| 43 | Harry E. Jr. Porter | 18 | Son | None | Nebraska |
| 44 | Nineta Porter | 11 | Daughter | None | Nebraska |
| 45 | Augusta S. Case | 82 | Mother-in-law | None | Wisconsin |
| 46 | Grace Wallace | 53 | Boarder | Practical Nurse | Nebraska |
| 47 | Lorenzo Mclucas | 71 | Head | None | Indiana |
| 48 | Andrew J. Kablinger | 40 | Head | Physician | Nebraska |
| 49 | Hattie Kablinger | 38 | Wife | None | Nebraska |
| 50 | Marjory A. Kablinger | 8 | Daughter | None | Nebraska |
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)