MR
Mary Read — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Read across the 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Read |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Portland City |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Mary Read | Daughter | — | 10 | ~1930 |
| Sam Read | Head | — | 42 | ~1898 |
| Tracy Read | Son | — | 19 | ~1921 |
| Mildred Read | Daughter | — | 12 | ~1928 |
| Alice Read | Daughter | — | 17 | ~1923 |
| Lita Read | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Multnomah, Oregon
Daughter, age
Multnomah, Oregon · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Read |
| Given Name | Marjorie S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Daughter, age 10
Multnomah-County, Oregon · implied b. ~1930 — 6 household members
| Surname | Read |
| Given Name | Mary Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 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 Read across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Read
Daughter · 1940 · age 10 · b. ~1930 · Oregon
★ You are viewing this record
Sibling
Alice Read
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Read
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tracy Read
Sibling · 1940 · age 19
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-t0627-03390-00674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Baxter | 19 | Daughter | — | Scotland |
| 42 | James G. Baxter | 17 | Son | — | Scotland |
| 43 | Sam Tracy Read | 42 | Head | Printer | Minnesota |
| 44 | Lita Emily Read | 41 | Wife | — | Minnesota |
| 45 | Tracy John Read | 19 | Son | — | Minnesota |
| 46 | Alice L. Read | 17 | Daughter | — | Minnesota |
| 47 | Mildred A. Read | 12 | Daughter | — | Oregon |
| 48 | Mary Ruth Read THIS PERSON | 10 | Daughter | — | Oregon |
| 49 | Sam R. Wilcox | 57 | Head | Baker | Kansas |
| 50 | Lula V. Wilcox | 44 | Wife | Baker | N. Dakota |
| 51 | Extra Line By Error Wilcox | None | — | — | — |
| 52 | John Arnold | 44 | Head | Shipping Clerk | Kansas |
| 53 | Rebecca Arnold | 43 | Wife | — | Kansas |
| 54 | Richard Crosby | 26 | Head | Longshoreman | Oregon |
| 55 | Eleanor Crosby | 27 | Wife | Clerk | Oregon |
| 56 | Deanna Crosby | 1 | Daughter | — | Oregon |
| 57 | Edwin Dahl | 51 | Head | Masseur | Wisconsin |
| 58 | Daisy Dahl | 56 | Wife | School Teacher | Indiana |
| 59 | Harold Elliott | 43 | Head | Salesman | England |
| 60 | Ruth Elliott | 36 | Wife | — | Oregon |
| 61 | Carolyn Elliott | 5 | Daughter | — | Oregon |
| 62 | Magnus Morud | 47 | Head | Telephone | Norway |
| 63 | Virginia Morud | 33 | Wife | — | Philadelphia |
| 64 | Barbara Maud Morud | 6 | Daughter | — | Washington |
| 65 | John Schulz | 37 | Head | Salesman | Alaska |
| 66 | Pauline Schulz | 34 | Wife | — | Virginia |
| 67 | Donna May Schulz | 6 | Daughter | — | Washington |
| 68 | Regina Baigley | 30 | Sister-in-law | Saleslady | Virginia |
| 69 | Ben Friedman | 33 | Head | Clerk | New York |
| 70 | Lena Friedman | 31 | Wife | — | Massachusetts |
| 71 | Bernard Friedman | 7 | Son | — | California |
| 72 | Gordon Messner | 29 | Head | Salesman | Oregon |
| 73 | Gwendolyn Messner | 22 | Wife | Stenographer | Oregon |
| 74 | George H. Mishler | 33 | Head | Linotype | Nebraska |
| 75 | Florence E. Mishler | 30 | Wife | — | Oregon |
| 76 | Janet A. Mishler | 4 | Daughter | — | Oregon |
| 77 | Carol S. Mishler | 2 | Daughter | — | Oregon |
| 78 | Walter R. Rice | 50 | Head | Longshoreman | Wisconsin |
| 79 | Betty A. Rice | 46 | Wife | — | New York |
| 80 | Mcconnell | 43 | Head | Shipping | Minnesota |
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)