MC
Martha Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gilliam-County, Oregon
Our Model Tree links this Martha Campbell across the 1930 and 1940 US Censuses in Gilliam-County, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gilliam-County, Oregon |
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Outside city |
| 1935 Residence (County) | Gilliam |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Outside City |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Kathy Campbell | Daughter | — | 8 | ~1932 |
| Martha Campbell | Daughter | — | 13 | ~1927 |
| Kathryn Campbell | Spouse | — | 48 | ~1892 |
| Nat Campbell | Head | — | 48 | ~1892 |
| Herman Hating | Other | — | 64 | ~1876 |
| James Campbell | Son | — | 19 | ~1921 |
| Tom Campbell | Son | — | 14 | ~1926 |
| Malchi Campbell | Son | — | 10 | ~1930 |
| Patricia Campbell | Daughter | — | 20 | ~1920 |
| Peter Campbell | Son | — | 16 | ~1924 |
| Dave Miller | Other | — | 50 | ~1890 |
| John Campbell | Son | — | 18 | ~1922 |
Census Appearances
1930
Gilliam, Oregon
Daughter, age 3
Gilliam, Oregon · implied b. ~1927 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Martha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Gilliam-County, Oregon
Daughter, age 13
Gilliam-County, Oregon · implied b. ~1927 — 12 household members
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Outside city |
| 1935 Residence (County) | Gilliam |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Martha Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Campbell
Daughter · 1940 · age 13 · b. ~1927 · Oregon
★ You are viewing this record
Sibling
Peter Campbell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tom Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Campbell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathy Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Campbell
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Malchi Campbell
Sibling · 1940 · age 10
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 — Gilliam-County, Oregon
Open full size
1940 US Federal Census — Gilliam-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03360-00913)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John L Edwards | 54 | Head | Stock Herder | Virginia |
| 42 | Riley M Stickner | 55 | Herder | Stock Herder | Virginia |
| 43 | Harvey E Moore | 28 | Head | Stock Raiser | Oregon |
| 44 | Alicia Moore | 25 | Wife | — | Oregon |
| 45 | Dianna Moore | 4 | Daughter | — | Oregon |
| 46 | Lawrence Moore | 2 | Son | — | Oregon |
| 47 | Leon C Mcdaniel | 38 | Head | M.S. Hunter | Oregon |
| 48 | Syra Mcdaniel | 28 | Wife | — | Oregon |
| 49 | Earl E Eskelson | 50 | Head | Farmer | Oregon |
| 50 | Ada Eskelson | 44 | Wife | — | Utah |
| 51 | M. R. Huddleston | 34 | Head | Stockman | Washington |
| 52 | Nellie Huddleston | 32 | Wife | — | Oregon |
| 53 | Billy Jean Huddleston | 12 | Daughter | — | Oregon |
| 54 | Thomas Huddleston | 12 | Son | — | Oregon |
| 55 | Roy Huddleston | 59 | Father | Road Service | Iowa |
| 56 | Frank W Crandell | 50 | Head | Rancher | Wyoming |
| 57 | George Mclaughlin | 62 | Head | Rancher | Missouri |
| 58 | Nora Mclaughlin | 56 | Wife | — | Oregon |
| 59 | Charles E Dufur | 33 | Head | Farm Manager | Oklahoma |
| 60 | Edith Dufur | 41 | Wife | Cook | Washington |
| 61 | Will H Robison | 65 | Head | Diversified Farmer | Oregon |
| 62 | Milo L Haver | 44 | Laborer | Sawmilling | Ohio |
| 63 | T. J. Andrews | 48 | Head | Stockman | Missouri |
| 64 | Lillie Andrews | 50 | Wife | — | Kansas |
| 65 | Violet Andrews | 13 | Daughter | — | Oregon |
| 66 | Jean E De Bozie | 36 | Head | Interior Decorator | Colorado |
| 67 | Ione Davis | 47 | Head | Sheep Herder | — |
| 68 | Vatie Davis | 51 | Wife | Sheepherder | — |
| 69 | Nat Campbell | 48 | Head | Sheep Raiser | Eire |
| 70 | Kathryn Campbell | 48 | Wife | — | Eire |
| 71 | Patricia Campbell | 20 | Daughter | — | Oregon |
| 72 | James Campbell | 19 | Son | — | Oregon |
| 73 | John Campbell | 18 | Son | — | Oregon |
| 74 | Peter Campbell | 16 | Son | — | Oregon |
| 75 | Tom Campbell | 14 | Son | — | Oregon |
| 76 | Martha Campbell THIS PERSON | 13 | Daughter | — | Oregon |
| 77 | Malchi Campbell | 10 | Son | — | Oregon |
| 78 | Kathy Campbell | 8 | Daughter | — | Oregon |
| 79 | Herman Hating | 64 | Laborer | — | Texas |
| 80 | Dave Miller | 50 | Laborer | — | Scotland |
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)