MT
Mary Tierney — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cascade, Montana
Our Model Tree links this Mary Tierney across the 1910 and 1920 US Censuses in Cascade, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 8-person household.
Age 17
b. ~1903
Female
Daughter
Born: Montana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cascade, Montana |
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Great Falls City |
| Est. Birth Year | ~1903 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Tierney | Head | — | 52 | ~1868 |
| Mary Tierney | Spouse | — | 48 | ~1872 |
| Nellie Tierney | Daughter | — | 16 | ~1904 |
| John Tierney | Son | — | 19 | ~1901 |
| Joseph Tierney | Son | — | 20 | ~1900 |
| Mary Tierney | Daughter | — | 17 | ~1903 |
| Irene Tierney | Daughter | — | 15 | ~1905 |
| Michael Tierney | Son | — | 12 | ~1908 |
Census Appearances
1910
Cascade, Montana
Daughter, age 8
Cascade, Montana · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1920
Cascade, Montana
Daughter, age 17
Cascade, Montana · implied b. ~1903 — 8 household members
| Surname | Tierney |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Tierney across 2 US Census years (1910 and 1920) in Cascade, Montana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tierney
Daughter · 1920 · age 17 · b. ~1903 · Montana
★ You are viewing this record
Sibling
Irene Tierney
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Tierney
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Tierney
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Tierney
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Tierney
Sibling · 1920 · 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
1920 US Federal Census — Cascade, Montana
Open full size
1920 US Federal Census — Cascade, Montana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu968unit:0439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roger Casey | 48 | Head | Fireman | Ireland |
| 52 | Minnie Casey | 37 | wife | None | Ireland |
| 53 | Marie Casey | 13 | daughter | None | Montana |
| 54 | Catherine Casey | 11 | daughter | None | Montana |
| 55 | John Casey | 9 | son | None | Montana |
| 56 | Winifred Casey | 6 | daughter | None | Montana |
| 57 | Alice Casey | 4 | daughter | None | Montana |
| 58 | Margaret Casey | 1 | daughter | None | Montana |
| 59 | Axel Engberg | 57 | Head | Proprietor | Sweden |
| 60 | Ida Engberg | 56 | wife | None | Sweden |
| 61 | Mildred Engberg | 23 | daughter | Saleswoman | Minnesota |
| 62 | Arnold Engberg | 20 | son | Salesman | Minnesota |
| 63 | Reynold Engberg | 16 | son | Apprentice | Minnesota |
| 64 | Eleanor Engberg | 14 | daughter | None | Minnesota |
| 65 | Victor O Johnson | 31 | head | Farmer | Minnesota |
| 66 | Lena Johnson | 33 | wife | None | Norway |
| 67 | George Vickers | 46 | head | Gas Fitter | England |
| 68 | Rose Vickers | 43 | wife | None | Ohio |
| 69 | William H Vickers | 21 | son | Bookkeeper | Ohio |
| 70 | Lizzie Vickers | 70 | mother | None | Ohio |
| 71 | Clarence Baker | 33 | head | Salesman | Wisconsin |
| 72 | Julia Baker | 33 | wife | None | Wisconsin |
| 73 | Ruth Baker | 4 | daughter | None | Minnesota |
| 74 | John J Brandjord | 31 | head | Farmer | Minnesota |
| 75 | Marie Brandjord | 27 | wife | None | Minnesota |
| 76 | Kenneth Brandjord | 5 | son | None | Montana |
| 77 | Isabel Brandjord | 3 | daughter | None | Montana |
| 78 | Ardis Brandjord | 1 | daughter | None | Montana |
| 79 | Jennie Melvin | 37 | head | Teamster | Wisconsin |
| 80 | Helen Melvin | 31 | wife|daughter | None | Wisconsin |
| 81 | Richard Melvin | 6 | son | None | Montana |
| 82 | Fred Eastman | 34 | head | Laborer | Maine |
| 83 | Laura Eastman | 23 | wife | None | Minnesota |
| 84 | Albert Eastman | 5 | son | None | Montana |
| 85 | Frances Eastman | 3 | daughter | None | Montana |
| 86 | Joseph R Dye | 23 | roomer | Farmer | Montana |
| 87 | Ruby Grose | 21 | roomer | Laborer | Montana |
| 88 | William Dimitri | 25 | roomer | Track Foreman | Greece |
| 89 | John M Tierney | 52 | head | Laborer | Massachusetts |
| 90 | Mary Tierney | 48 | wife | None | Connecticut |
| 91 | Joseph Tierney | 20 | son | Laborer | Montana |
| 92 | John Tierney | 19 | son | None | Montana |
| 93 | Mary Tierney THIS PERSON | 17 | daughter | None | Montana |
| 94 | Nellie Tierney | 16 | daughter | None | Montana |
| 95 | Irene Tierney | 15 | daughter | None | Montana |
| 96 | Michael Tierney | 12 | son | None | Montana |
| 97 | Ernest C Hinkle | 30 | head | Laborer | Iowa |
| 98 | Nettie Hinkle | 28 | wife | Proprietor | Iowa |
| 99 | Karleton Hinkle | 3 | son | None | Iowa |
| 100 | Roland Parsons | 40 | head | Cabinet Maker | Wisconsin |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)