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James King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this James King across the 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed), with identified parents Donald & Barney — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | King |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Occupation | Line Man |
| Industry | Power Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 478 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Line Man |
| Township / Ward | Butte City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marie King | Daughter | — | 19 | ~1921 |
| Lillian King | Daughter | — | 14 | ~1926 |
| Kathlene King | Daughter | — | 17 | ~1923 |
| Barney King | Head | — | 53 | ~1887 |
| Edward King | Son | — | 18 | ~1922 |
| James King | Son | — | 21 | ~1919 |
| Julia King | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Silver Bow, …
Son, age 1
Silver Bow, Montana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Montana |
| Mother's Birthplace | Michigan |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Silver Bow, …
Son, age 12
Silver Bow, Montana · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | James F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Montana |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Silver-Bow-County, Montana
Son, age 21
Silver-Bow-County, Montana · implied b. ~1919 — 7 household members
| Surname | King |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Occupation | Line Man |
| Industry | Power Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 478 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 James King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Donald King (~0.92 confidence) and father Barney King (~0.92 confidence) and father Don King (~0.92 confidence) and mother Julia King (~0.92 confidence) and mother Irene King (~0.92 confidence) and mother Agnes King (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Donald King
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Barney King
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Don King
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Julia King
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Irene King
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Agnes King
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James King
Son · 1940 · age 21 · b. ~1919 · Montana
★ You are viewing this record
Sibling
Kathlene King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian King
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie King
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward King
Sibling · 1940 · age 18
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 — 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-t0627-02231-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby S. Stanhope | 35 | Wife | — | Montana |
| 2 | Grace Stanhope | 8 | daughter | — | Montana |
| 3 | Marion Stanhope | 0 | daughter | — | Montana |
| 4 | Barney King | 53 | Head | Insurance | Eire |
| 5 | Julia King | 52 | Wife | — | Eire |
| 6 | James King THIS PERSON | 21 | son | Line Man | Montana |
| 7 | Marie King | 19 | daughter | — | Montana |
| 8 | Edward King | 18 | son | — | Montana |
| 9 | Kathlene King | 17 | daughter | — | Montana |
| 10 | Lillian King | 14 | daughter | — | Montana |
| 11 | Con P. O'Neill | 58 | Head | Deputy Clerk | Eire |
| 12 | Abbie O'Neill | 58 | Wife | — | Eire |
| 13 | Kenneth O'Neill | 22 | son | Assistance Manager | Montana |
| 14 | Mona O'Neill | 17 | daughter | — | Montana |
| 15 | Ralph Lewis Collins | 55 | Head | Stationary Fireman | No Dakota |
| 16 | Alice E. Collins | 49 | Wife | Maid | Montana |
| 17 | June M. Collins | 24 | daughter | Clerk | Montana |
| 18 | Patricia Collins | 21 | daughter | — | Montana |
| 19 | Archie Haird | 25 | Head | Laborer | Arizona |
| 20 | Alma Haird | 21 | Wife | — | Montana |
| 21 | Marie Nelson | 44 | Mother-in-law | House Work | Norway |
| 22 | Louis Nelson | 24 | Head | General Labor | Montana |
| 23 | Lois Nelson | 21 | Wife | — | Montana |
| 24 | H. O. Renz | 32 | Head | Miner | Washington |
| 25 | Lucielle Renz | 20 | Wife | — | Montana |
| 26 | Fredrick Renz | 0 | Son | — | Montana |
| 27 | Wesley Francis | 37 | Head | Clerk | Michigan |
| 28 | Vera Francis | 37 | Wife | — | Montana |
| 29 | J. T. Carson | 45 | Head | Auto Mechanic | No Dakota |
| 30 | Estelle Carson | 44 | Wife | — | Montana |
| 31 | Eleanor Carson | 15 | daughter | — | Montana |
| 32 | Emmett Sullivan | 43 | Head | Investigator | Montana |
| 33 | Margaret Sullivan | 39 | Wife | — | Illinois |
| 34 | James Sullivan | 16 | son | — | Montana |
| 35 | Eugene Sullivan | 7 | son | — | Montana |
| 36 | Joseph Dolan | 45 | Head | Clerk | Montana |
| 37 | Amanda Wenger | 58 | Head | — | Finland |
| 38 | Wilson Elmer Wenger | 33 | son | Bookkeeper | Montana |
| 39 | Maud Thornton | 56 | Head | Seamstress | Iowa |
| 40 | Joe Thornton | 27 | son | Gas Operator | Washington |
Pedigree Summary
James + 4 siblings
Gen 1 · 6 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)