AC
Agnes Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Agnes Clark across the 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Clark |
| Given Name | Agnes P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Deer Lodge |
| Additional Details | |
| Occupation | Teacher's Assistant |
| Industry | N.Y.A. Project |
| Class of Worker | GW |
| Hours Worked | 26 |
| Income (1939) | 14 |
| Highest Grade | Hs 4 |
| 1935 Residence | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Teacher'S Assistant |
| Township / Ward | School District No 10 Outside Anaconda City |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Charles Clark | Son | — | 25 | ~1915 |
| William Clark | Son | — | 13 | ~1927 |
| Joseph Clark | Son | — | 19 | ~1921 |
| Dorothy Clark | Daughter | — | 11 | ~1929 |
| Mary Clark | Spouse | — | 39 | ~1901 |
| Joseph Smith | Other | — | 65 | ~1875 |
| Irene Clark | Daughter | — | 15 | ~1925 |
| Agnes Clark | Daughter | — | 17 | ~1923 |
| Albert Clark | Head | — | 41 | ~1899 |
Census Appearances
1930
Deer Lodge, …
Daughter, age 7
Deer Lodge, Montana · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Agnes P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Wyoming |
| Mother's Birthplace | Montana |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Deer-Lodge-County, Montana
Daughter, age 17
Deer-Lodge-County, Montana · implied b. ~1923 — 9 household members
| Surname | Clark |
| Given Name | Agnes P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Deer Lodge |
| Occupation | Teacher's Assistant |
| Industry | N.Y.A. Project |
| Class of Worker | GW |
| Hours Worked | 26 |
| Income (1939) | 14 |
| Highest Grade | Hs 4 |
| 1935 Residence | Montana |
| 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 Agnes Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Clark
Daughter · 1940 · age 17 · b. ~1923 · Montana
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Sibling
Irene Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Clark
Sibling · 1940 · age 11
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 — 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-t0627-02217-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anton Forester | 44 | Head | Farmer | Illinois |
| 2 | Eva Forester | 56 | Wife | — | Montana |
| 3 | Edward R. Duffy | 26 | Step-son | Foundry Laborer | Montana |
| 4 | Paul T. Forester | 48 | Brother | Plumber And Steam | Wisconsin |
| 5 | Nancy B. Forester | 50 | Sister-in-law | — | Utah |
| 6 | Deborah Valentine | 85 | Head | — | Canada-English |
| 7 | John Vrlanic | 55 | Head | Farm Laborer | Yugoslavia |
| 8 | Lilly Nesbit | 50 | Head | — | England |
| 9 | Wilma M. Nesbit | 15 | Daughter | — | Montana |
| 10 | Albert B. Clark | 41 | Head | Switchman | Wyoming |
| 11 | Mary K. Clark | 39 | Wife | — | Montana |
| 12 | Charles E. Clark | 25 | Son | Laborer | Montana |
| 13 | Joseph P. Clark | 19 | Son | Laborer | Montana |
| 14 | Agnes P. Clark THIS PERSON | 17 | Daughter | Teacher'S Assistant | Montana |
| 15 | Irene L. Clark | 15 | Daughter | — | Montana |
| 16 | William E. Clark | 13 | Son | — | Montana |
| 17 | Dorothy A. Clark | 11 | Daughter | — | Montana |
| 18 | Joseph Smith | 65 | Lodger | — | Montana |
| 19 | William Evans | 72 | Head | Farmer | Montana |
| 20 | David Evans | 65 | Brother | Farmer | Montana |
| 21 | Jeanetta Evans | 81 | Sister | — | Utah |
| 22 | Arthur B. Foster | 38 | Head | Farmer | Wisconsin |
| 23 | Marie D. Foster | 28 | Wife | — | Montana |
| 24 | Earl A. Foster | 12 | Son | — | Montana |
| 25 | Lois M. Foster | 10 | Daughter | — | Montana |
| 26 | Betty J. Foster | 8 | Daughter | — | Montana |
| 27 | Wallace F. Foster | 1 | Son | — | Montana |
| 28 | Darlene C. Foster | 0 | Daughter | — | Montana |
| 29 | Wesley J. Johnson | 27 | Head | Laborer | Montana |
| 30 | Glenn J. Wigert | 21 | Lodger | Farm Laborer | Nebraska |
| 31 | William Aynat | 42 | Lodger | Farm Laborer | Montana |
| 32 | Arthur R. Campbell | 39 | Head | Surface Laborer | Montana |
| 33 | Kathryn M. Campbell | 36 | Wife | — | Montana |
| 34 | Frances M. Campbell | 15 | Daughter | 44 | Montana |
| 35 | Arthur R. Campbell | 17 | Son | — | Montana |
| 36 | Shirley M. Campbell | 12 | Daughter | — | Montana |
| 37 | John C. Campbell | 10 | Son | — | Montana |
| 38 | Richard S. Campbell | 6 | Son | — | Montana |
| 39 | Kathryn L. Campbell | 4 | Daughter | — | Montana |
| 40 | Lawrence F. Campbell | 3 | Son | — | Montana |
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)