MC
Mary Collier — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Oregon
Our Model Tree links this Mary Collier across the 1930 and 1940 US Censuses in Lake-County, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Oregon |
| Surname | Collier |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Lakeview Town |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Lakeview Town |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fred Collier | Son | — | 17 | ~1923 |
| Roy Collier | Son | — | 29 | ~1911 |
| Mary Collier | Daughter | — | 14 | ~1926 |
| Gilbert Collier | Head | — | 63 | ~1877 |
| Hetta Collier | Spouse | — | 52 | ~1888 |
| Emmitt Collier | Son | — | 31 | ~1909 |
| Cecil Collier | Son | — | 24 | ~1916 |
Census Appearances
1930
Lake, Oregon
Daughter, age 4
Lake, Oregon · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collier |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | California |
| Mother's Birthplace | Oregon |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Lake-County, Oregon
Daughter, age 14
Lake-County, Oregon · implied b. ~1926 — 7 household members
| Surname | Collier |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Lakeview Town |
| 1935 Residence (County) | Lake |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| 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 Mary Collier across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Collier
Daughter · 1940 · age 14 · b. ~1926 · Oregon
★ You are viewing this record
Sibling
Cecil Collier
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Collier
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Collier
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmitt Collier
Sibling · 1940 · age 31
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 — Lake-County, Oregon
Open full size
1940 US Federal Census — Lake-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03367-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Merle Dixie | 1 | Daughter | — | Oregon |
| 2 | James M Rager | 27 | Head | Laborer | Kentucky |
| 3 | Gilbert R. Collier | 63 | Head | Laborer | California |
| 4 | Hetta Collier | 52 | Wife | — | Oregon |
| 5 | Emmitt Collier | 31 | Son | Laborer | Oregon |
| 6 | Roy Collier | 29 | Son | Farm Hand | Oregon |
| 7 | Cecil C. Collier | 24 | Son | Laborer | Oregon |
| 8 | Fred B. Collier | 17 | Son | Laborer | Oregon |
| 9 | Mary J. Collier THIS PERSON | 14 | Daughter | — | Oregon |
| 10 | William M. Neal | 49 | Head | Laborer | Oregon |
| 11 | Violet L. Neal | 22 | Wife | — | Oregon |
| 12 | Willie M. Neal | 4 | Son | — | Oregon |
| 13 | Charley E Arner | 42 | Head | Clerk | Oregon |
| 14 | Theresa M Arner | 41 | Wife | — | California |
| 15 | Orville D. Arner | 16 | Son | — | Oregon |
| 16 | Vivian L Arner | 15 | Daughter | — | Oregon |
| 17 | Emmitt L Peterson | 21 | Step-son | Cut-Off Plant | California |
| 18 | Dale M. Pratt | 24 | Lodger | Clerk | Oregon |
| 19 | Charles E. Strieby | 48 | Head | Welder Blacksmith | Kansas |
| 20 | Eleanor L. Strieby | 37 | Wife | — | Iowa |
| 21 | William J. Strieby | 18 | Son | — | Oregon |
| 22 | Edward M Strieby | 23 | Son | Laborer | Idaho |
| 23 | Herman L Reimers | 64 | Father in law | — | Iowa |
| 24 | Louise Reimers | 67 | Mother in law | — | Germany |
| 25 | Avie E Tudor | 37 | Head | Mechanist | Missouri |
| 26 | Anita E Tudor | 30 | Wife | Lab-X-Ray Tec. | Iowa |
| 27 | Marylyn A Tudor | 3 | Daughter | — | Oregon |
| 28 | Karen Ray Tudor | 0 | Son | — | Oregon |
| 29 | Lester William Smead | 40 | Head | Wood Boss | Colorado |
| 30 | Dorothy G. Smead | 37 | Wife | — | Oregon |
| 31 | Hazel Ann Smead | 17 | Daughter | — | Oregon |
| 32 | Rhea Irene Smead | 14 | Daughter | — | Oregon |
| 33 | Laticia Ann Smead | 0 | Daughter | — | Oregon |
| 34 | Clyde Marion Smead | 36 | Brother | — | Colorado |
| 35 | Earl L. Wakefield | 31 | Son in law | Logging | Oregon |
| 36 | Vera K. Wakefield | 20 | Daughter | — | Oregon |
| 37 | Darlene F Wakefield | 1 | Grand daughter | — | Oregon |
| 38 | Robert Barry | 26 | Lodger | New Worker | California |
| 39 | George B Revel | 37 | Head | Cat. Driver | Idaho |
| 40 | Vina I Revel | 32 | Wife | — | Oregon |
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)