RS
Ralph Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Ralph Smith across the 1910, 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1892), then head of a 2-person household.
Age 48
b. ~1892
Male
Son
Born: Nebraska
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Smith |
| Given Name | Ralph O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Nebraska |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Craneman |
| Industry | Foundry |
| Class of Worker | PW |
| Income (1939) | 1296 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Craneman |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1892 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| William Smith | Head | — | 56 | ~1884 |
| Ralph Smith | Son | — | 48 | ~1892 |
Census Appearances
1910
Deer Lodge, …
Son, age 17
Deer Lodge, Montana · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Occupation | Tin Smith |
| Industry | Hardware Store |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Deer Lodge, …
Son, age 27
Deer Lodge, Montana · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New York |
| Occupation | Machine Helper |
| Industry | Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Deer Lodge, …
Son, age 36
Deer Lodge, Montana · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Deer-Lodge-County, Montana
Son, age 48
Deer-Lodge-County, Montana · implied b. ~1892 — 2 household members
| Surname | Smith |
| Given Name | Ralph O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Nebraska |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Craneman |
| Industry | Foundry |
| Class of Worker | PW |
| Income (1939) | 1296 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Ralph Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father Wm Smith (~0.92 confidence) and mother Rubina Smith (~0.92 confidence) and father William Smith (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
William Smith
b. ~1854
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Wm Smith
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Rubina Smith
b. ~1855
Source mother
● Household
· direct · ~0.92
Father
William Smith
b. ~1884
Source father
● Household
· direct · ~0.6
This person
Anchor record
Ralph Smith
Son · 1940 · age 48 · b. ~1892 · Montana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Deer-Lodge-County, Montana
Open full size
1940 US Federal Census — Deer-Lodge-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02217-00736)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F Gutschek | 54 | Head | Machinist | Yugo Slavia |
| 2 | Mary Gutschek | 46 | Wife | — | Yugo Slavia |
| 3 | Val J Gutschek | 25 | Son | Laborer | Yugo Slavia |
| 4 | Robert Gutschek | 15 | Son | — | Montana |
| 5 | Pete A Larsen | 27 | Head | Proprietor | Montana |
| 6 | Harry G Larsen | 20 | Brother | Proprietor | Montana |
| 7 | Hildur Larsen | 64 | Mother | — | Norway |
| 8 | Mark Walsh | 55 | Head | Laborer | Irish Free State |
| 9 | Mary Walsh | 52 | Wife | — | Irish Free State |
| 10 | Ambrose Walsh | 32 | Son | Laborer | Pennsylvania |
| 11 | Helen Mccarthy | 25 | Daughter | — | Pennsylvania |
| 12 | Margaret Walsh | 23 | Daughter | Nurse | Pennsylvania |
| 13 | Joseph P Walsh | 23 | Son | Laborer | Montana |
| 14 | Thomas A Walsh | 21 | Son | — | Montana |
| 15 | Agnes Walsh | 18 | Daughter | — | Montana |
| 16 | Patrick D Murray | 42 | Head | Street Car Repairer | Irish Free State |
| 17 | Margaret A Murray | 32 | Wife | — | Montana |
| 18 | John Murray | 9 | Son | — | Montana |
| 19 | James Murray | 8 | Son | — | Montana |
| 20 | Gilbert A Blackovich | 22 | Head | Laborer | Montana |
| 21 | Pearl S Blackovich | 22 | Wife | — | Montana |
| 22 | Barbara A Blackovich | 0 | Daughter | — | Montana |
| 23 | John E Thell | 54 | Head | Operator | Montana |
| 24 | Madge L Thell | 27 | Wife | — | Montana |
| 25 | John E Thell | 2 | Son | — | Montana |
| 26 | Orville R Lauer | 40 | Head | Operator | Montana |
| 27 | Julia D Halloran | 50 | Head | — | Irish Free State |
| 28 | Mary M Halloran | 29 | Daughter | Bookkeeper | Massachusetts |
| 29 | Catherine A Halloran | 28 | Daughter | — | Montana |
| 30 | Patrick J Mullen | 29 | Head | Carpenter Helper | Irish Free State |
| 31 | Hope Ende Mullen | 56 | Wife | — | Virginia |
| 32 | William T Smith | 56 | Head | — | Missouri |
| 33 | Ralph O Smith THIS PERSON | 48 | Son | Craneman | Nebraska |
| 34 | Philip W Lewis | 38 | Head | Moulder | Montana |
| 35 | Stella B Lewis | 42 | Wife | — | Montana |
| 36 | Roderick Lewis | 12 | Son | — | Montana |
| 37 | Lucille Lewis | 8 | Daughter | — | Montana |
| 38 | Arthur H Larsen | 39 | Head | Laborer | South Dakota |
| 39 | Lena L Larsen | 28 | Wife | — | England |
| 40 | Leon T Jobe | 50 | Head | Laborer | Switzerland |
Pedigree Summary
Ralph
Gen 1 · 5 parents
~0.86
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)