LM
Leonard Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Toole-County, Montana
Our Model Tree links this Leonard Miller across the 1930 and 1940 US Censuses in Toole-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 14-person household.
Age 19
b. ~1921
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Toole-County, Montana |
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Shelby City |
| 1935 Residence (County) | Toole |
| Additional Details | |
| Occupation | Woodsman |
| Industry | Reforestation |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 180 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Woodsman |
| Township / Ward | Shelby City |
| Est. Birth Year | ~1921 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Leonard Miller | Son | — | 19 | ~1921 |
| Billy Miller | Daughter | — | 15 | ~1925 |
| Richard Miller | Son | — | 1 | ~1939 |
| Margaret Miller | Daughter | — | 14 | ~1926 |
| Donald Miller | Son | — | 10 | ~1930 |
| Myrtle Miller | Spouse | — | 43 | ~1897 |
| Harold Miller | Head | — | 40 | ~1900 |
| Mary Miller | Daughter | — | 11 | ~1929 |
| Glenn Miller | Son | — | 7 | ~1933 |
| Harold Miller | Son | — | 20 | ~1920 |
| Kenneth Miller | Son | — | 9 | ~1931 |
| Jack Miller | Son | — | 6 | ~1934 |
| Robert Miller | Son | — | 16 | ~1924 |
| Doris Miller | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Toole, Montana
Son, age 9
Toole, Montana · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | North Dakota |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Toole-County, Montana
Son, age 19
Toole-County, Montana · implied b. ~1921 — 14 household members
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Shelby City |
| 1935 Residence (County) | Toole |
| Occupation | Woodsman |
| Industry | Reforestation |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 180 |
| Highest Grade | No 7 |
| 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 Leonard Miller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Miller
Son · 1940 · age 19 · b. ~1921 · Montana
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Sibling
Jack Miller
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Miller
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Miller
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Miller
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Miller
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Miller
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Miller
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Miller
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Miller
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Miller
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Miller
Sibling · 1940 · age 15
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 — Toole-County, Montana
Open full size
1940 US Federal Census — Toole-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02232-00928)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence Plunkett | 68 | Head | — | Irish Free State |
| 42 | John B. Thorgeirson | 36 | Head | Tool Dresser | Iowa |
| 43 | Phyllis L. Thorgeirson | 28 | Wife | — | North Dakota |
| 44 | Milton C. Thorgeirson | 8 | Son | — | Canada |
| 45 | Bernard H. Thorgeirson | 6 | Son | — | Canada |
| 46 | Robert O. Thorgeirson | 4 | Son | — | Canada |
| 47 | Larry L. Thorgeirson | 3 | Son | — | Montana |
| 48 | Yvonne Thorgeirson | 0 | Daughter | — | Montana |
| 49 | Milba J. White | 13 | Lodger | — | Montana |
| 50 | John B. Thorgeirson | 42 | Head | Carpenter | North Dakota |
| 51 | Catherine B. Thorgeirson | 37 | Wife | Janitress | Minnesota |
| 52 | Donnallee Thorgeirson | 10 | Daughter | — | Montana |
| 53 | Julia A. Bryden | 73 | Lodger | Janitress | England |
| 54 | Harold R. Miller | 40 | Head | Proprietor | Indiana |
| 55 | Myrtle Miller | 43 | Wife | — | North Dakota |
| 56 | Harold Miller | 20 | Son | Laborer | Montana |
| 57 | Leonard Miller THIS PERSON | 19 | Son | Woodsman | Montana |
| 58 | Robert Miller | 16 | Son | — | Montana |
| 59 | Billy Miller | 15 | Daughter | — | Montana |
| 60 | Margaret Miller | 14 | Daughter | — | Montana |
| 61 | Doris Miller | 12 | Daughter | — | Montana |
| 62 | Mary J. Miller | 11 | Daughter | — | Montana |
| 63 | Donald Miller | 10 | Son | — | Montana |
| 64 | Kenneth Miller | 9 | Son | — | Montana |
| 65 | Glenn Miller | 7 | Son | — | Montana |
| 66 | Jack Miller | 6 | Son | — | Montana |
| 67 | Richard Miller | 1 | Son | — | Montana |
| 68 | Eldon J. Ferguson | 59 | Head | Laborer | Missouri |
| 69 | Milda Ferguson | 35 | Wife | — | Washington |
| 70 | Arthur Ferguson | 16 | Son | — | Washington |
| 71 | Robert Ferguson | 14 | Son | — | Washington |
| 72 | Howard K. Shelton | 25 | Head | Salesman | Montana |
| 73 | Mildred Shelton | 19 | Wife | — | Montana |
| 74 | Larry Shelton | 2 | Son | — | Montana |
| 75 | Emma Moser | 70 | Head | — | Minnesota |
| 76 | Rupert T. Helmicke | 47 | Head | Proprietor | North Dakota |
| 77 | Nina H. Helmicke | 37 | Wife | — | Iowa |
| 78 | Betty Lou Helmicke | 16 | Daughter | — | Montana |
| 79 | Alberta E. Kottha | 58 | Lodger | Proprietor | Minnesota |
| 80 | Charles W. Mallender | 38 | Head | Proprietor | Illinois |
Related Census Records
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)