AC
Albert Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Albert Clark across the 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents Albert & Mary — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Clark |
| Given Name | Albert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Laborer |
| Industry | Reduction Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1470 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Laborer |
| Township / Ward | Anaconda |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Albert Clark | Head | — | 28 | ~1912 |
| Albert Clark | Son | — | ~1940 | |
| Alice Clark | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Deer Lodge, …
Son, age 7
Deer Lodge, Montana · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Wyoming |
| Mother's Birthplace | Montana |
| Occupation | none |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Deer Lodge, …
Son, age 17
Deer Lodge, Montana · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Albert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Wyoming |
| Mother's Birthplace | Montana |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Deer-Lodge-County, Montana
Head, age 28
Deer-Lodge-County, Montana · implied b. ~1912 — 3 household members
| Surname | Clark |
| Given Name | Albert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Laborer |
| Industry | Reduction Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1470 |
| 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 Albert Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Clark
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Clark
Head · 1940 · age 28 · b. ~1912 · 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-t0627-02217-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora M. A. B. Sparrow | 71 | Head | — | Montana |
| 2 | Charles G. Sparrow | 51 | Son | Paper H. & Painter | Montana |
| 3 | Flemming Grace D. Sparrow | 69 | Aunt | — | Montana |
| 4 | Frank H. Oldshaker | 52 | Head | Ass'T Fire Chief | Montana |
| 5 | Jeanette B. Oldshaker | 37 | Wife | — | Montana |
| 6 | Don P. Layton | 31 | Head | Locomotive Fireman | Montana |
| 7 | Lucille S. Layton | 28 | Wife | — | Montana |
| 8 | Collette Layton | 0 | Daughter | — | Montana |
| 9 | Angus J. Carson | 56 | Head | Locomotive Engineer | Canada |
| 10 | Mary D. Carson | 52 | Wife | — | Montana |
| 11 | Don A. B. Carson | 22 | Son | — | Montana |
| 12 | Robert J. Carson | 10 | Son | — | Montana |
| 13 | Katherine Lane | 78 | Mother-in-law | — | Eire |
| 14 | John H. Carson | 29 | Head | Sales Engineer | Montana |
| 15 | Ella Mae Carson | 24 | Wife | — | Montana |
| 16 | Frank M. Hulbur | 35 | Head | Carpenter | Belgium |
| 17 | Emma Hulbur | 39 | Wife | — | Switzerland |
| 18 | James Hulbur | 10 | Son | — | Montana |
| 19 | Albert J. Guilbault | 36 | Head | Barber | Montana |
| 20 | Ella Mae Guilbault | 30 | Wife | — | Montana |
| 21 | Darlene Guilbault | 5 | Daughter | — | Montana |
| 22 | Virginia R. Guilbault | 2 | Daughter | — | Montana |
| 23 | Albert J. Clark THIS PERSON | 28 | Head | Laborer | Montana |
| 24 | Alice Clark | 20 | Wife | — | Montana |
| 25 | Albert Clark | 0 | Son | — | Montana |
| 26 | Gilmore Carmichael | 32 | Head | Clerical | Montana |
| 27 | Ruby D. Carmichael | 31 | Wife | — | Wisconsin |
| 28 | Ruth I. Carmichael | 8 | Daughter | — | Montana |
| 29 | Clark A. Carmichael | 4 | Son | — | Montana |
| 30 | Eugene Carmichael | 2 | Son | — | Montana |
| 31 | Roderick Mccarvel | 28 | Head | Chief Clerk | Montana |
| 32 | Maxine G. Mccarvel | 23 | Wife | — | Montana |
| 33 | Roderick Mccarvel | 1 | Son | — | Montana |
| 34 | Hazel Coffey | 43 | Mother-in-law | Bookkeeper | Canada E. |
| 35 | Alice Stalin | 50 | Aunt | — | Canada E. |
| 36 | Patrick A. Mulcahy | 44 | Head | Laborer | Eire |
| 37 | Beatrice Walker | 47 | Sister | School Teacher | Eire |
| 38 | Elizabeth Walker | 26 | Neice | School Teacher | Montana |
| 39 | Mary M. Hurley | 17 | Neice | — | Vermont |
| 40 | Herbert A. B. Walker | 22 | Nephew | — | Montana |
Pedigree Summary
Albert
Gen 1 · 2 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)