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Thomas Armstrong — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sweet Grass, Montana
Our Model Tree links this Thomas Armstrong across the 1900, 1910 and 1920 US Censuses in Sweet Grass, Montana (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 3-person household.
Age 57
b. ~1863
Male
Head
Born: New York
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Sweet Grass, Montana |
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Isle of Man |
| Additional Details | |
| Occupation | Merchant |
| Industry | Implement |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Merchant |
| Township / Ward | Big Timber City |
| Est. Birth Year | ~1863 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Bessie Armstrong | Daughter | — | 22 | ~1898 |
| Marie Armstrong | Spouse | — | 60 | ~1860 |
| Thomas Armstrong | Head | — | 57 | ~1863 |
Census Appearances
1900
Sweet Grass, …
Head, age 39
Sweet Grass, Montana · implied b. ~1861 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| Birth Month | Nov |
| Birth Year | 1861 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Grocery Clerk |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Sweet Grass, …
Head, age 48
Sweet Grass, Montana · implied b. ~1862 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | New York |
| Years Married | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Vermont |
| Occupation | Implement dealer |
| Industry | Own att. |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Sweet Grass, …
Head, age 57
Sweet Grass, Montana · implied b. ~1863 — 3 household members
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Isle of Man |
| Occupation | Merchant |
| Industry | Implement |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Thomas Armstrong across 3 US Census years (1900, 1910 and 1920) in Sweet Grass, Montana, using XGBoost record linkage.
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This person
Anchor record
Thomas Armstrong
Head · 1920 · age 57 · b. ~1863 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Sweet Grass, Montana
Open full size
1920 US Federal Census — Sweet Grass, Montana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu977unit:0573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert Eklund | 18 | Son | — | Montana |
| 52 | Oscar Eklund | 13 | Son | — | Montana |
| 53 | Arnold Eklund | 11 | Son | — | Montana |
| 54 | Phyllis Eklund | 10 | Daughter | — | Montana |
| 55 | Thelma Eklund | 4 | Daughter | — | Montana |
| 56 | Charles Freebury | 67 | Head | Laborer | Sweden |
| 57 | Mary Freebury | 59 | Wife | — | Norway |
| 58 | Agnes E Freebury | 6 | Daughter | — | Montana |
| 59 | Charles R Freebury | 3 | Son | — | Montana |
| 60 | Annie M Freebury | 1 | Daughter | — | Montana |
| 61 | Cora Sanderson | 65 | Head | — | Iowa |
| 62 | Cora Sanderson | 21 | Daughter | Bookkeeper | Montana |
| 63 | Thomas Armstrong THIS PERSON | 57 | Head | Merchant | New York |
| 64 | Marie Armstrong | 60 | Wife | — | Canada |
| 65 | Bessie Armstrong | 22 | Daughter | — | Montana |
| 66 | Fred Ellison | 30 | Head | Farmer | Montana |
| 67 | Ida Ellison | 27 | Wife | — | Montana |
| 68 | John Ellison | 0 | Son | — | Montana |
| 69 | Archie Ellison | 0 | Son | — | Montana |
| 70 | Henry Lines | 58 | Head | Austrian | Lapan|Japan |
| 71 | Tom Mckenna | 71 | Head | — | Indiana |
| 72 | Nathaniel Rowe | 54 | Head | Teamster | New York |
| 73 | Laura Rowe | 42 | Wife | — | Pennsylvania |
| 74 | Andrew Berg | 62 | Head | — | Norway |
| 75 | Annie Berg | 62 | Wife | — | Norway |
| 76 | Claus Kepler | 46 | Head | Auto Mechanic | Wisconsin |
| 77 | Goldie Kepler | 35 | Wife | — | Wisconsin |
| 78 | Ruth Kepler | 16 | Son | — | Wisconsin |
| 79 | Fred Kepler | 14 | Son | — | Wisconsin |
| 80 | Colven Kepler | 12 | Son | — | Wisconsin |
| 81 | Iolene Kepler | 9 | Daughter | — | Montana |
| 82 | Robert Kepler | 6 | Son | — | Montana |
| 83 | Theodore Eklund | 22 | Head | Teamster | Montana |
| 84 | Gladys Eklund | 18 | Wife | — | Missouri |
| 85 | Frank Dodge | 38 | Head | Store Keeper | Illinois |
| 86 | Susan Dodge | 36 | Wife | — | Iowa |
| 87 | Mabel Dodge | 12 | Daughter | — | Montana |
| 88 | Maurice Dodge | 9 | Son | — | Montana |
| 89 | William Glass | 65 | Head | Thresher | Michigan |
| 90 | Alexander Glass | 60 | Partner | Thresher | Michigan |
| 91 | Sing Lee | 65 | Head | Laundry | China |
| 92 | Polo Benson | 37 | Head | Auto Mechanic | Minnesota |
| 93 | Nora Benson | 36 | Wife | — | Wisconsin |
| 94 | Leona Benson | 16 | Daughter | — | Minnesota |
| 95 | La Vern Benson | 15 | Son | — | Minnesota |
| 96 | Paul Davis | 24 | Lodger | Laborer | Iowa |
| 97 | John P Campbell | 50 | Head | Broker | Missouri |
| 98 | Mattie Campbell | 47 | Wife | — | Arkansas |
| 99 | Maud Campbell | 21 | Daughter | — | Montana |
| 100 | Grace Campbell | 20 | Daughter | Bookkeeper | 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)