MS
Mary Stevenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this Mary Stevenson across the 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Female
Spouse
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Stevenson |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Walkerville City |
| 1935 Residence (County) | SILVER BOW |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Walkerville City |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lois Stevenson | Daughter | — | 10 | ~1930 |
| Audrey O'Donnell | Other | — | 17 | ~1923 |
| Dolores Stevenson | Daughter | — | 12 | ~1928 |
| Arthur Stevenson | Other | — | 69 | ~1871 |
| John Stevenson | Son | — | 8 | ~1932 |
| May O'Donnell | Other | — | 57 | ~1883 |
| John Stevenson | Head | — | 59 | ~1881 |
| Mary Stevenson | Spouse | — | 38 | ~1902 |
| Alice Stevenson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Silver Bow, …
Other, age 28
Silver Bow, Montana · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Montana |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Silver-Bow-County, Montana
Spouse, age 38
Silver-Bow-County, Montana · implied b. ~1902 — 9 household members
| Surname | Stevenson |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Walkerville City |
| 1935 Residence (County) | SILVER BOW |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Stevenson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stevenson
Spouse · 1940 · age 38 · b. ~1902 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Silver-Bow-County, Montana
Open full size
1940 US Federal Census — Silver-Bow-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02230-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gerald Jr. Hohman | 15 | Son | — | Montana |
| 2 | John F. Hohman | 13 | Son | — | Montana |
| 3 | Chester F. Hehman | 29 | Head | Stenographer | Montana |
| 4 | Mary J. Hehman | 22 | Wife | — | Montana |
| 5 | Carol L. Hehman | 3 | Daughter | — | Montana |
| 6 | George Ohd | 48 | Head | Truck Driver | Montana |
| 7 | Catherine N. Ohd | 48 | Wife | — | Canada English |
| 8 | Harry B. Treloar | 23 | Head | Metal Miner | Montana |
| 9 | Maxine L. Treloar | 19 | Wife | — | Oregon |
| 10 | Jessie M. Treloar | 61 | Mother | — | Missouri |
| 11 | John Stevenson | 59 | Head | Metal Miner | Iowa |
| 12 | Mary L. Stevenson THIS PERSON | 38 | Wife | — | Montana |
| 13 | Dolores M. Stevenson | 12 | Daughter | — | Montana |
| 14 | Lois J. Stevenson | 10 | Daughter | — | Montana |
| 15 | John F. Stevenson | 8 | Son | — | Montana |
| 16 | Alice M. Stevenson | 5 | Daughter | — | Montana |
| 17 | Arthur Stevenson | 69 | Brother | — | Ohio |
| 18 | May A. O'Donnell | 57 | In-law | — | Oregon |
| 19 | Audrey O'Donnell | 17 | Sister | Student Janitress | Montana |
| 20 | Raymond R. Hehman | 28 | Head | Top Man | Montana |
| 21 | Dorothy M. Hehman | 24 | Wife | — | Montana |
| 22 | Barbara A. Hehman | 3 | Daughter | — | Montana |
| 23 | A. Francis Wyatt | 25 | Head | Parts Man | Montana |
| 24 | Rita Wyatt | 22 | Wife | — | Montana |
| 25 | Eliza J. Wyatt | 56 | Mother | — | Montana |
| 26 | Alberta C. Wyatt | 15 | Daughter | — | Montana |
| 27 | William Evans | 21 | Head | Station Tender | Montana |
| 28 | Lyke L. Evans | 19 | Wife | — | Michigan |
| 29 | George Bond | 30 | Head | Metal Miner | Michigan |
| 30 | Dorthy I. Bond | 27 | Wife | — | Montana |
| 31 | Ronald G. Bond | 3 | Son | — | Montana |
| 32 | Neta V. Bond | 2 | Daughter | — | Montana |
| 33 | George Dinius | 42 | Head | Metal Miner | North Dakota |
| 34 | Phoebe L. Dinius | 33 | Wife | — | Minnesota |
| 35 | Lawrence R. Badten | 19 | Step son | New Worker | South Dakota |
| 36 | Doris M. (Ab) Badten | 17 | Step daughter | — | Minnesota |
| 37 | Jean E. Badten | 14 | Step daughter | — | Minnesota |
| 38 | David D. Badten | 11 | Step son | — | Wyoming |
| 39 | George C. Dinius | 2 | Son | — | Montana |
| 40 | Flora A. Hocking | 42 | Head | — | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)