LM
Leonard Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fergus-County, Montana
Our Model Tree links this Leonard Miller across the 1920, 1930 and 1940 US Censuses in Fergus-County, Montana (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1910), then head of a 8-person household.
Age 30
b. ~1910
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fergus-County, Montana |
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Lewistown |
| 1935 Residence (County) | Fergus |
| Additional Details | |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 366 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farm Laborer |
| Township / Ward | Lewistown |
| Est. Birth Year | ~1910 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Georgianna Miller | Daughter | — | 18 | ~1922 |
| Boyd Miller | Son | — | 22 | ~1918 |
| Annie Miller | Spouse | — | 56 | ~1884 |
| George Miller | Head | — | 60 | ~1880 |
| Gertrude Miller | Daughter | — | 28 | ~1912 |
| Roland Noel | Other | — | 5 | ~1935 |
| Bessie Miller | Daughter | — | 14 | ~1926 |
| Leonard Miller | Son | — | 30 | ~1910 |
Census Appearances
1920
Fergus, Montana
Son, age 11
Fergus, Montana · implied b. ~1909 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leonard A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada |
| Mother's Birthplace | South Dakota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Fergus, Montana
Son, age 21
Fergus, Montana · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | North Dakota |
| Occupation | Farm laborer |
| Industry | Father's farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Fergus-County, Montana
Son, age 30
Fergus-County, Montana · implied b. ~1910 — 8 household members
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Lewistown |
| 1935 Residence (County) | Fergus |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 366 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Leonard Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Miller (~0.92 confidence) and father George Miller (~0.92 confidence) and father George Miller (~0.92 confidence) and mother Annie Miller (~0.92 confidence) and mother Annie Miller (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Miller
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Miller
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Miller
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Miller
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Annie Miller
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Miller
Son · 1940 · age 30 · b. ~1910 · Montana
★ You are viewing this record
Sibling
Georgianna Miller
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Miller
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Miller
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Boyd Miller
Sibling · 1940 · age 22
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
1940 US Federal Census — Fergus-County, Montana
Open full size
1940 US Federal Census — Fergus-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02218-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby C. Schafer | 24 | wife | H | Montana |
| 2 | Larry Schafer | 0 | son | — | Montana |
| 3 | D. Leo Kelly | 34 | head | Salesman | Nebraska |
| 4 | Alice Kelly | 36 | wife | Saleslady | Iowa |
| 5 | Eliza Mcafferty | 66 | head | — | Indiana |
| 6 | Howard Thaston | 69 | head | Street Cleaner | Ohio |
| 7 | Aurora Thaston | 65 | wife | — | Missouri |
| 8 | Aurelia Dehison | 53 | head | — | Nebraska |
| 9 | James Dehison | 20 | daughter | Waitress | Nebraska |
| 10 | Doris Dehison | 17 | daughter | — | Nebraska |
| 11 | Zella Dehison | 8 | daughter | — | Nebraska |
| 12 | Charles Dehison | 3 | son | — | Montana |
| 13 | B. W. Rowland | 86 | head | — | Oregon |
| 14 | Mary Rowland | 71 | wife | — | Oregon |
| 15 | Dexter Rowland | 46 | son | Grader | Washington |
| 16 | James L. Casey | 23 | grandson | Grader Operator | Montana |
| 17 | Richard Casey | 19 | grandson | — | Montana |
| 18 | Walter L. Dougherty | 38 | head | Postal Clerk | Indiana |
| 19 | Mary Dougherty | 37 | wife | — | Michigan |
| 20 | Eugene Dougherty | 14 | son | — | Montana |
| 21 | Harvey Dougherty | 63 | father-in-law | — | Indiana |
| 22 | Mary Marshall | 51 | mother-in-law | Building Contractor | Nebraska |
| 23 | Virginia Lucee | 24 | head | — | Kansas |
| 24 | Archie Stanton | 21 | grandson | Attendant | Montana |
| 25 | Harold Guthrie | 23 | head | Repair Man | Montana |
| 26 | Hazel Guthrie | 19 | wife | — | Missouri |
| 27 | Richard Guthrie | 2 | son | — | Montana |
| 28 | George W. Miller | 60 | head | Timekeeper | Canada |
| 29 | Annie Miller | 56 | wife | — | Vermont |
| 30 | Leonard Miller THIS PERSON | 30 | son | Farm Laborer | Washington |
| 31 | Gertrude Miller | 28 | daughter | Dry Goods Saleslady | Washington |
| 32 | Boyd Miller | 22 | son | — | Montana |
| 33 | Georgianna Miller | 18 | daughter | Typist | Montana |
| 34 | Bessie Miller | 14 | daughter | — | Montana |
| 35 | Roland Noel | 5 | grandson | — | Montana |
| 36 | Ida Baum | 55 | head | — | Kentucky |
| 37 | Archie Baum | 24 | son | Garage Proprietor | Indiana |
| 38 | Lura Casey | 38 | maid | Maid | Washington |
| 39 | C. E. Richards | 85 | head | — | New York |
| 40 | Lena Richards | 80 | wife | — | California |
Pedigree Summary
Leonard + 4 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)