MF
Mary Flaherty — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Freeborn, Minnesota
Our Model Tree links this Mary Flaherty across the 1920 and 1930 US Censuses in Freeborn, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 9-person household.
Age 16
b. ~1914
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Freeborn, Minnesota |
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Albert Lea City |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Barney Flaherty | Head | — | 47 | ~1883 |
| Anna Flaherty | Daughter | — | 21 | ~1909 |
| Francis Flaherty | Daughter | — | 11 | ~1919 |
| Bernard Flaherty | Son | — | 19 | ~1911 |
| Helen Flaherty | Daughter | — | 7 | ~1923 |
| Mary Flaherty | Daughter | — | 16 | ~1914 |
| Marcella Flaherty | Daughter | — | 4 | ~1926 |
| Hattie Flaherty | Spouse | — | 45 | ~1885 |
| Margaret Flaherty | Daughter | — | 23 | ~1907 |
Census Appearances
1920
Worth, Iowa
Daughter, age 6
Worth, Iowa · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Freeborn, Minnesota
Daughter, age 16
Freeborn, Minnesota · implied b. ~1914 — 9 household members
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 Flaherty across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Flaherty
Daughter · 1930 · age 16 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Helen Flaherty
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Flaherty
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Flaherty
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Flaherty
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Flaherty
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Flaherty
Sibling · 1930 · 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
1930 US Federal Census — Freeborn, Minnesota
Open full size
1930 US Federal Census — Freeborn, Minnesota
Page Contents
49 people indexed on this census page (ia:1930:minnesotacensus00reel1087:0129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Nelson | 45 | Head | Blacksmith | Denmark |
| 2 | Inge Nelson | 38 | Wife | — | Denmark |
| 3 | Esther Nelson | 16 | Daughter | — | North Dakota |
| 4 | Lillian Nelson | 15 | Daughter | — | North Dakota |
| 5 | Ingrid Nelson | 14 | Son | — | North Dakota |
| 6 | Doris Nelson | 12 | Daughter | — | North Dakota |
| 7 | Bernice Nelson | 11 | Daughter | — | North Dakota |
| 8 | Fern Nelson | 10 | Daughter | — | North Dakota |
| 9 | Dorothy Nelson | 8 | Daughter | — | Minnesota |
| 10 | Andrew Johnson | 53 | Head | — | Wisconsin |
| 11 | Sivert Johnson | 51 | Head | Fireman | Minnesota |
| 12 | Jessie Johnson | 45 | Wife | — | Minnesota |
| 13 | Sivert Johnson | 19 | Son | Bookkeeper | Minnesota |
| 14 | Lester Johnson | 17 | Son | — | Minnesota |
| 15 | Josephine Nelson | 72 | Head | — | Iowa |
| 16 | Eva Nelson | 46 | Daughter | — | Minnesota |
| 17 | Mabel Nelson | 40 | Daughter | — | Minnesota |
| 18 | Herman From | 27 | Head | Superintendent | Minnesota |
| 19 | Angeline From | 22 | Wife | Laborer | Minnesota |
| 20 | Barney Flaherty | 47 | Head | — | Illinois |
| 21 | Hattie Flaherty | 45 | Wife | Foreman | Illinois |
| 22 | Margaret Flaherty | 23 | Daughter | — | Illinois |
| 23 | Anna M Flaherty | 21 | Daughter | — | Illinois |
| 24 | Bernard Flaherty | 19 | Son | — | Illinois |
| 25 | Mary Flaherty THIS PERSON | 16 | Daughter | — | Iowa |
| 26 | Francis Flaherty | 11 | Daughter | — | Iowa |
| 27 | Helen Flaherty | 7 | Daughter | — | Minnesota |
| 28 | Marcella Flaherty | 4 | Daughter | — | Minnesota |
| 29 | Christ Nelson | 45 | Head | — | Denmark |
| 30 | Mary Nelson | 42 | Wife | Carpenter | Minnesota |
| 31 | Marion Nelson | 19 | Daughter | — | Minnesota |
| 32 | August Brady | 75 | Head | — | Russia |
| 33 | Minnie Brady | 71 | Wife | — | Germany |
| 34 | Louise Brady | 34 | Daughter | — | Minnesota |
| 35 | Soren Sorenson | 37 | Head | — | Minnesota |
| 36 | Hannah H Sorenson | 32 | Wife | Merchant | Minnesota |
| 37 | Eunice Sorenson | 9 | Daughter | — | Minnesota |
| 38 | Dorothy Sorenson | 7 | Daughter | — | Minnesota |
| 39 | William Herring | 43 | Head | — | Minnesota |
| 40 | Gertrude Herring | 42 | Wife | Engineer | Minnesota |
| 41 | Marion Herring | 14 | Daughter | — | Minnesota |
| 42 | William Herring | 9 | Son | — | Minnesota |
| 43 | Elmore Olson | 36 | Head | — | Minnesota |
| 44 | Edna H Olson | 28 | Wife | Wire Chief | Minnesota |
| 45 | Myron Olson | 3 | Son | — | Minnesota |
| 46 | Jean Olson | 1 | Daughter | — | Minnesota |
| 47 | Frances Anderson | 18 | Sister-in-law | — | Minnesota |
| 48 | Russell Johnson | 23 | Roomer | Stenographer | Minnesota |
| 49 | Clara Smeon | 49 | Head | Switchman | Illinois |
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)