ML
Mary Leary — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Silver Bow, Montana
Our Model Tree links this Mary Leary across the 1920 and 1930 US Censuses in Silver Bow, Montana (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 56
b. ~1874
Female
Head
Born: California
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Silver Bow, Montana |
| Surname | Leary |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | California |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Operator |
| Township / Ward | Butte City City |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emeline Leary | Daughter | — | 25 | ~1905 |
| Mary Leary | Head | — | 56 | ~1874 |
| Nellie Leary | Daughter | — | 26 | ~1904 |
| Cecelia Leary | Daughter | — | 24 | ~1906 |
| Mary Leary | Daughter | — | 60 | ~1870 |
Census Appearances
1920
Silver Bow, …
Head, age 47
Silver Bow, Montana · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leary |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Widowed |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Silver Bow, …
Head, age 56
Silver Bow, Montana · implied b. ~1874 — 5 household members
| Surname | Leary |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | California |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Leary across 2 US Census years (1920 and 1930) in Silver Bow, Montana, using XGBoost record linkage.
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This person
Anchor record
Mary Leary
Head · 1930 · age 56 · b. ~1874 · Montana
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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:0125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J. Leary THIS PERSON | 56 | Head | Operator | California |
| 2 | Nellie M. Leary | 26 | Daughter | Teacher | Montana |
| 3 | Emeline F. Leary | 25 | Daughter | Assayer | Montana |
| 4 | Cecelia Leary | 24 | Daughter | Teacher | Montana |
| 5 | Mary J. Leary | 60 | Daughter | Teacher | California |
| 6 | William H. Thompson | 37 | Head | Miner | Colorado |
| 7 | Nanette Thompson | 25 | Wife | — | Switzerland |
| 8 | Margaret Thompson | 7 | Daughter | — | Canada |
| 9 | Katie M. Sammon | 57 | Lodger | — | New York |
| 10 | John Mcclarnon | 46 | Head | Miner | Pennsylvania |
| 11 | Alice M. Mcclarnon | 48 | Wife | — | England |
| 12 | Harry Mcclarnon | 12 | Son | — | Montana |
| 13 | Neil Mcclarnon | 16 | Son | — | Montana |
| 14 | Reuben G. Jennings | 42 | Head | Miner | Nebraska |
| 15 | Winifred C. Jennings | 28 | Wife | — | England |
| 16 | James W. Jennings | 10 | Son | — | Montana |
| 17 | Nicholas Littrell | 37 | Head | Waiter | Austria |
| 18 | Annie Littrell | 40 | Wife | Laundress | Utah |
| 19 | William H. Brennan | 60 | Head | — | Irish Free State |
| 20 | William H. Brennan | 56 | Son | Miner | Irish Free State |
| 21 | Nora Brennan | 50 | Wife | — | Irish Free State |
| 22 | Helen M. Brennan | 25 | Daughter | Bookkeeper | Montana |
| 23 | John Jr. Brennan | 22 | Son | — | Montana |
| 24 | James Tzanakis | 41 | Head | Miner | Austria Croatia |
| 25 | Laura Tzanakis | 41 | Wife | — | Austria Croatia |
| 26 | John Canon | 34 | Head | Miner | Turkey |
| 27 | Elsie V. Canon | 33 | Wife | — | Montana |
| 28 | Pete Usarous | 34 | Head | Proprietor | Mexico |
| 29 | Nicolasta Usarous | 34 | Wife | — | Mexico |
| 30 | Antonia Usarous | 20 | Son | Miner | Mexico |
| 31 | George Sanchez | 18 | Boarder | Waitress | Mexico |
| 32 | Teresa Sanchez | 25 | Boarder | Miner | Mexico |
| 33 | Mary Richard | 36 | Head | Housewife | Syria |
| 34 | Ernest Richard | 15 | Son | — | Montana |
| 35 | Abraham Richard | 12 | Son | — | Montana |
| 36 | Margaret Richard | 9 | Daughter | — | Montana |
| 37 | Rosher Richard | 3 | Brother | — | Montana |
| 38 | Mike Chavez | 34 | Head | Miner | Syria |
| 39 | Martina Chavez | 29 | Wife | Miner | Texas |
| 40 | George Chavez | 20 | Son | — | Mexico |
| 41 | Crespin Cosme | 35 | Head | Miner | Mexico |
| 42 | Carmen Cosme | 23 | Wife | — | Mexico |
| 43 | Charles Mcclintock | 36 | Head | Electrician | Montana |
| 44 | Alice Mcclintock | 56 | Sister | Teacher | Irish Free State |
| 45 | Nellie Mcclintock | 53 | Sister | Teacher | Irish Free State |
| 46 | Margaret Mcclintock | 53 | Sister | Teacher | Irish Free State |
| 47 | Elizabeth Mcclintock | 30 | Sister | Teacher | Kansas |
| 48 | Lillian Mcclintock | 30 | Sister | Teacher | Kansas |
| 49 | Mary Mcclintock | 24 | Sister | Teacher | Oregon |
| 50 | Rose Mcclintock | 55 | Sister | Teacher | Irish Free State |
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)