MD
Mary Durham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Durham across the 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Durham |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Beautician |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 85 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Beautician |
| Township / Ward | Portland City |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Durham | Head | — | 53 | ~1887 |
| Kenneth Durham | Son | — | 18 | ~1922 |
| Vera Durham | Daughter | — | 13 | ~1927 |
| Mary Durham | Daughter | — | 22 | ~1918 |
| Herbert Durham | Son | — | 20 | ~1920 |
| Christine Durham | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Multnomah, Oregon
Daughter, age 12
Multnomah, Oregon · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Durham |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Multnomah-County, Oregon
Daughter, age 22
Multnomah-County, Oregon · implied b. ~1918 — 6 household members
| Surname | Durham |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Beautician |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 85 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Durham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Durham
Daughter · 1940 · age 22 · b. ~1918 · Oregon
★ You are viewing this record
Sibling
Kenneth Durham
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Durham
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Durham
Sibling · 1940 · age 20
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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03388-00844)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carolyn Wimer | 63 | Wife | — | California |
| 42 | Ruth Hurley | 45 | Head | Salesman | Illinois |
| 43 | Alma Hurley | 45 | Wife | — | Oregon |
| 44 | Elaine Hurley | 18 | Daughter | — | Oregon |
| 45 | Beverley Hurley | 12 | Daughter | — | Washington |
| 46 | Charles H. Durham | 53 | Head | Foreman | Oregon |
| 47 | Christine Durham | 53 | Wife | — | Missouri |
| 48 | Mary C. Durham THIS PERSON | 22 | Daughter | Beautician | Missouri |
| 49 | Herbert H. Durham | 20 | Son | Carpenter | Missouri |
| 50 | Kenneth S. Durham | 18 | Son | — | Oregon |
| 51 | Vera E. Durham | 13 | Daughter | — | Oregon |
| 52 | William A. Mardin | 54 | Head | Sign Painter | Minnesota |
| 53 | Effie Mardin | 52 | Wife | — | Kansas |
| 54 | Margaret Wait | 83 | Mother-in-law | — | Iowa |
| 55 | Alfred Mardin | 83 | Father | — | Wisconsin |
| 56 | John Schrag | 46 | Head | Building Contractor | Oregon |
| 57 | Amy Schrag | 36 | Wife | — | Russia |
| 58 | Alwyn Schrag | 12 | Son | — | Oregon |
| 59 | Betty Schrag | 10 | Daughter | — | Oregon |
| 60 | Beverly Schrag | 3 | Daughter | — | Oregon |
| 61 | Carolyn Schrag | 0 | Daughter | — | Oregon |
| 62 | Lawrence Hodd | 35 | Head | Clerk | Washington |
| 63 | Mary Hodd | 28 | Wife | — | Minnesota |
| 64 | Richard Hodd | 3 | Son | — | Oregon |
| 65 | Diane Hodd | 0 | Daughter | — | Oregon |
| 66 | Walter Jensen | 43 | Head | Solicitor | Denmark |
| 67 | Margaret Jensen | 37 | Wife | — | Oregon |
| 68 | Sylvester Kremers | 72 | Head | Salesman | Wisconsin |
| 69 | Gladys Kremers | 42 | Wife | — | Canada |
| 70 | Walter S. Kremers | 21 | Son | Laborer | Oregon |
| 71 | Bennett C. Kremers | 12 | Daughter | — | Oregon |
| 72 | Dorothy A. Nawraty | 23 | Daughter | Office Work | Oregon |
| 73 | Timothy W. Nawraty | 2 | Grandson | — | Oregon |
| 74 | Chas. T. Higgins | 64 | Lodger | — | Missouri |
| 75 | — | None | — | — | — |
| 76 | Thomas Ingram | 63 | Head | Telephone Employee | Oregon |
| 77 | Charles Kaschner | 55 | Head | Millwright | Germany |
| 78 | Henrietta Kaschner | 48 | Wife | — | Germany |
| 79 | Lyle Quick | 37 | Head | Truck Driver | California |
| 80 | Helen Quick | 34 | Wife | — | North Dakota |
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)