NC
Nellie Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Garfield-County, Montana
Our Model Tree links this Nellie Clark across the 1930 and 1940 US Censuses in Garfield-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Garfield-County, Montana |
| Surname | Clark |
| Given Name | Nellie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 32 Blackfoot |
| 1935 Residence (County) | Garfield |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | School District 32 Blackfoot |
| Est. Birth Year | ~1926 |
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 Nellie | Age | Birth yr |
|---|---|---|---|---|
| Marie Clark | Daughter | — | 13 | ~1927 |
| Nellie Clark | Daughter | — | 14 | ~1926 |
| Ada Clark | Daughter | — | ~1940 | |
| Bryan Clark | Head | — | 46 | ~1894 |
| Earl Clark | Son | — | 2 | ~1938 |
| Alvin Clark | Son | — | 10 | ~1930 |
| Ralph Clark | Son | — | 5 | ~1935 |
| Emmett Clark | Son | — | 11 | ~1929 |
| Ethel Clark | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Garfield, Montana
Daughter, age 4
Garfield, Montana · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Nelly M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Garfield-County, Montana
Daughter, age 14
Garfield-County, Montana · implied b. ~1926 — 9 household members
| Surname | Clark |
| Given Name | Nellie M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 32 Blackfoot |
| 1935 Residence (County) | Garfield |
| Highest Grade | 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 Nellie Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nellie Clark
Daughter · 1940 · age 14 · b. ~1926 · Montana
★ You are viewing this record
Sibling
Alvin Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmett Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Clark
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Clark
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Clark
Sibling · 1940 · age 5
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 — Garfield-County, Montana
Open full size
1940 US Federal Census — Garfield-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02220-00703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William R. Craig | 69 | Head | Farmer | Canada |
| 2 | Jesse M. Keeney | 27 | Housekeeper | Housekeeper | Montana |
| 3 | George W. Taylor | 63 | Head | Farmer | Texas |
| 4 | Caroline E. Taylor | 62 | Wife | — | Ohio |
| 5 | Harvey W. Taylor | 66 | Brother | Farmer | Texas |
| 6 | Bryan Clark | 46 | Head | Farmer | Missouri |
| 7 | Ethel M. Clark | 36 | Wife | — | Montana |
| 8 | Nellie M. Clark THIS PERSON | 14 | Daughter | — | Montana |
| 9 | Marie Clark | 13 | Daughter | — | Montana |
| 10 | Emmett Clark | 11 | Son | — | Montana |
| 11 | Alvin Clark | 10 | Son | — | Montana |
| 12 | Ralph Clark | 5 | Son | — | Montana |
| 13 | Earl Clark | 2 | Son | — | Montana |
| 14 | Ada Clark | 0 | Daughter | — | Montana |
| 15 | Martin A. Barney | 37 | Head | Farmer | Montana |
| 16 | Raymond Ward | 21 | Lodger | Farm Laborer | Montana |
| 17 | Chris Karsten | 52 | Head | Farmer | Maine |
| 18 | Katherine Karsten | 15 | Daughter | — | Montana |
| 19 | Paul A. Karsten | 14 | Son | — | Montana |
| 20 | John Karsten | 12 | Son | — | Montana |
| 21 | Fred Cronin | 58 | Head | Farmer | Michigan |
| 22 | Emma S. Cronin | 55 | Wife | — | Michigan |
| 23 | Daniel Cronin | 30 | Son | Farm Laborer | Montana |
| 24 | Frederick Cronin | 17 | Son | Farm Laborer | Montana |
| 25 | Clara Cronin | 15 | Daughter | — | Montana |
| 26 | Edgar S. Cronin | 28 | Head | Farmer | Michigan |
| 27 | Margaret Cronin | 20 | Wife | — | Wisconsin |
| 28 | John E. Cronin | 1 | Son | — | Montana |
| 29 | Roy E. Miller | 39 | Head | Farmer | Illinois |
| 30 | Edna R. Miller | 37 | Wife | — | Kansas |
| 31 | Roy E. Jr. Miller | 14 | Son | Farm Laborer | Wyoming |
| 32 | David R. Miller | 12 | Son | — | Wyoming |
| 33 | Edith L. Miller | 11 | Daughter | — | Wyoming |
| 34 | George E. Miller | 10 | Son | — | Wyoming |
| 35 | Mary F. Miller | 8 | Daughter | — | Wyoming |
| 36 | Clarence Weaver | 67 | Head | Farmer | West Virginia |
| 37 | Maggie E. Weaver | 48 | Wife | — | West Virginia |
| 38 | Clarence Weaver | 20 | Son | Farm Laborer | Montana |
| 39 | Virgil G. Weaver | 8 | Son | — | Montana |
| 40 | Victor D. Weaver | 30 | Head | Farmer | 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)