MH
Mary Harrington — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Deer Lodge, Montana
Our Model Tree links this Mary Harrington across the 1910 and 1920 US Censuses in Deer Lodge, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 11-person household.
Age 12
b. ~1908
Female
Daughter
Born: Montana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Deer Lodge, Montana |
| Surname | Harrington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Anaconda City Part Of |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Annie Harrington | Daughter | — | 8 | ~1912 |
| Catherine Harrington | Daughter | — | 10 | ~1910 |
| Mary Harrington | Daughter | — | 12 | ~1908 |
| Peter Harrington | Head | — | 47 | ~1873 |
| George Swift | Other | — | 42 | ~1878 |
| James Harkins | Other | — | 39 | ~1881 |
| Edward Riley | Other | — | 38 | ~1882 |
| John Harrington | Son | — | 5 | ~1915 |
| Peter Harrington | Son | — | 7 | ~1913 |
| Frederick Harrington | Son | — | 2 | ~1918 |
| Julia Harrington | Spouse | — | 38 | ~1882 |
Census Appearances
1910
Deer Lodge, …
Daughter, age 2
Deer Lodge, Montana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1920
Deer Lodge, …
Daughter, age 12
Deer Lodge, Montana · implied b. ~1908 — 11 household members
| Surname | Harrington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Harrington across 2 US Census years (1910 and 1920) in Deer Lodge, Montana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harrington
Daughter · 1920 · age 12 · b. ~1908 · Montana
★ You are viewing this record
Sibling
Peter Harrington
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Harrington
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Harrington
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Harrington
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Harrington
Sibling · 1920 · age 2
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 — Deer Lodge, Montana
Open full size
1920 US Federal Census — Deer Lodge, Montana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu969unit:0844)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Peter S. Harrington | 47 | Head | Laborer | Ireland |
| 52 | Julia Harrington | 38 | Wife | — | Ireland |
| 53 | Mary Harrington THIS PERSON | 12 | Daughter | — | Montana |
| 54 | Catherine Harrington | 10 | Daughter | — | Montana |
| 55 | Annie Harrington | 8 | Daughter | — | Montana |
| 56 | Peter Harrington | 7 | Son | — | Montana |
| 57 | John Harrington | 5 | Son | — | Montana |
| 58 | Frederick Harrington | 2 | Son | — | Montana |
| 59 | Edward Riley | 38 | Lodger | Blacksmith | Montana |
| 60 | James Harkins | 39 | Lodger | Laborer | Montana |
| 61 | George Swift | 42 | Lodger | Laborer | Minnesota |
| 62 | Mary Morris | 35 | Head | Keeper | Canada |
| 63 | Mike Ring | 51 | Lodger | Laborer | Ireland |
| 64 | John H. Lewis | 59 | Lodger | Moulder | Utah |
| 65 | George Finn | 32 | Lodger | Laborer | Ireland |
| 66 | John Lynch | 70 | Lodger | Carpenter | Ireland |
| 67 | Jerry Sullivan | 57 | Lodger | Laborer | Ireland |
| 68 | Julia Regan | 45 | Lodger | Laborer | Ireland |
| 69 | John Ault | 48 | Lodger | Laborer | Germany |
| 70 | William Morris | 16 | Lodger | — | North Dakota |
| 71 | Isaac Morris | 13 | Lodger | — | North Dakota |
| 72 | Frank Hinisky | 39 | Head | Tailor | Bohemia |
| 73 | Annie Hinisky | 33 | Wife | — | Minnesota |
| 74 | Antonie Hinisky | 7 | Daughter | — | Montana |
| 75 | Margaret Hinisky | 6 | Daughter | — | Montana |
| 76 | Frank Hinisky | 4 | Son | — | Montana |
| 77 | Alfred Hinisky | 1 | Son | — | Montana |
| 78 | Charles Hartman | 42 | Head | Tailor | Bohemia |
| 79 | Charles Carlson | 56 | Head | Laborer | Sweden |
| 80 | Antonia Hinisky | 60 | Mother | — | Bohemia |
| 81 | James A. Bennett | 57 | Head | Laborer | Ireland |
| 82 | John H. Shinn | 40 | Head | Furniture | Ireland |
| 83 | Bridget Shinn | 40 | Wife | — | Ireland |
| 84 | Margaret A. Shinn | 12 | Daughter | — | Montana |
| 85 | John H. Shinn | 8 | Son | — | Montana |
| 86 | Elizabeth Shinn | 6 | Daughter | — | Montana |
| 87 | Mary Shinn | 3 | Daughter | — | Montana |
| 88 | Victor Staudohar | 31 | Head | Barber | Austria |
| 89 | Mary Staudohar | 34 | Wife | — | Austria |
| 90 | Mary Julia Staudohar | 5 | Daughter | — | Montana |
| 91 | Lucile Staudohar | 2 | Daughter | — | Montana |
| 92 | Annie V. Staudohar | 1 | Daughter | — | Montana |
| 93 | Josephine A. Staudohar | 0 | Daughter | — | Montana |
| 94 | John Gilinsky | 55 | Head | — | West Prussia |
| 95 | Joe Provitt | 46 | Head | Laborer | Austria |
| 96 | John Soudek | 54 | Head | Carpenter | Bohemia |
| 97 | Clarence R. Green | 21 | Head | Switchman | Utah |
| 98 | Arcella Green | 20 | Wife | — | Montana |
| 99 | Edna M. Carter | 25 | Sister-in-law | Servant | Dakota N. |
| 100 | Maire Carter | 16 | Sister-in-law | — | Montana |
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)