MD
Mary Dwyer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Silver Bow, Montana
Our Model Tree links this Mary Dwyer across the 1920 and 1930 US Censuses in Silver Bow, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 10-person household.
Age 19
b. ~1911
Female
Daughter
Born: Montana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Silver Bow, Montana |
| Surname | Dwyer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Rhode Island |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Butte City |
| Est. Birth Year | ~1911 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dwyer | Daughter | — | 19 | ~1911 |
| Catherine Dwyer | Daughter | — | 15 | ~1915 |
| Ruth Dwyer | Daughter | — | 8 | ~1922 |
| William Dwyer | Other | — | 48 | ~1882 |
| Betty Dwyer | Daughter | — | 5 | ~1925 |
| John Dwyer | Head | — | 31 | ~1899 |
| Grace Dwyer | Other | — | 43 | ~1887 |
| Grace Dwyer | Daughter | — | 10 | ~1920 |
| Alice Dwyer | Daughter | — | 17 | ~1913 |
| Robert Dwyer | Son | — | 13 | ~1917 |
Census Appearances
1920
Silver Bow, …
Daughter, age 9
Silver Bow, Montana · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Silver Bow, …
Daughter, age 19
Silver Bow, Montana · implied b. ~1911 — 10 household members
| Surname | Dwyer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Can Read/Write | 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 Dwyer across 2 US Census years (1920 and 1930) in Silver Bow, Montana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dwyer
Daughter · 1930 · age 19 · b. ~1911 · Montana
★ You are viewing this record
Sibling
Catherine Dwyer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dwyer
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Dwyer
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Dwyer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Dwyer
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Dwyer
Sibling · 1930 · age 10
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 — Silver Bow, Montana
Open full size
1930 US Federal Census — Silver Bow, Montana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1262unit:0694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie King | 32 | daughter | Operator | Montana |
| 52 | Joseph King | 25 | son | Salesman | Montana |
| 53 | Chris Nugent | 51 | head | Manager | New York |
| 54 | Arthur Goldstein | 35 | head | Salesman | Montana |
| 55 | Amelia Goldstein | 28 | wife-H | None | Montana |
| 56 | Arthur Goldstein | 3 | son | None | Montana |
| 57 | Frances Long | 16 | servant | Servant | Idaho |
| 58 | Al G. Dwyer | 48 | head | Musician | Montana |
| 59 | Margaret Dwyer | 47 | wife-H | None | Canada-English |
| 60 | John V. Dwyer | 31 | head | Lawyer | Michigan |
| 61 | Grace Dwyer | 43 | wife-H | None | Rhode Island |
| 62 | Mary Dwyer THIS PERSON | 19 | daughter | None | Montana |
| 63 | Alice Dwyer | 17 | daughter | None | Montana |
| 64 | Catherine Dwyer | 15 | daughter | None | Montana |
| 65 | Robert Dwyer | 13 | son | None | Montana |
| 66 | Grace Dwyer | 10 | daughter | None | Montana |
| 67 | Ruth Dwyer | 8 | daughter | None | Montana |
| 68 | Betty Dwyer | 5 | daughter | None | Montana |
| 69 | William Dwyer | 48 | brother | Dentist | Nebraska |
| 70 | Melvin Welch | 45 | head | Contractor | Kansas |
| 71 | Cora Welch | 40 | wife-H | None | Montana |
| 72 | William Welch | 11 | son | None | Montana |
| 73 | Alphonso Hines | 43 | head | Mechanic | Montana |
| 74 | Viola Hines | 35 | wife-H | None | Michigan |
| 75 | Dorothy Hines | 16 | daughter | None | Montana |
| 76 | Elizabeth Hines | 13 | daughter | None | Montana |
| 77 | Alphonso Hines | 10 | son | None | Montana |
| 78 | Jack Hines | 2 | son | None | Montana |
| 79 | Georgia Guerin | 60 | head | None | Canada-English |
| 80 | Victor Howard | 24 | lodger | Bookkeeper | Florida |
| 81 | Harold Hussard | 24 | lodger | Metal Worker | Iowa |
| 82 | Geo Hocking | 56 | head | Engineer | Pennsylvania |
| 83 | Daisy Hocking | 51 | wife-H | None | Illinois |
| 84 | Geo Jr. Hocking | 9 | son | None | Montana |
| 85 | James A. Tuohey | 68 | head | Supervisor | Ohio |
| 86 | Clara Tuohey | 59 | wife-H | None | Montana |
| 87 | Mary Moran | 36 | servant | Servant | Irish Free State |
| 88 | Ivor G. Evans | 39 | head | Attorney | New York |
| 89 | Martha Evans | 30 | wife-H | None | Illinois |
| 90 | Ivor Jr. Evans | 2 | son | None | Montana |
| 91 | Richard Evans | 0 | son | None | Montana |
| 92 | Elizabeth Evans | 1 | daughter | None | Montana |
| 93 | Gertrude Theobald | 41 | boarder | None | Montana |
| 94 | Zynella Christie | 41 | head | Manager | Canada-English |
| 95 | Theresa Christie | 75 | mother | None | Denmark |
| 96 | Otto Brown | 30 | head | Barber | Indiana |
| 97 | Ruth Brown | 41 | wife-H | Teacher | California |
| 98 | Robert Brown | 2 | son | None | Nevada |
| 99 | Alfred Paquette | 48 | head | Carpenter | Canada-French |
| 100 | Richard Williams | 38 | head | Barber | Virginia |
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)