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Mary Bird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Mary Bird across the 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 9-person household.
Age 28
b. ~1912
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Bird |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Portland City |
| Est. Birth Year | ~1912 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Robt Bird | Son | — | 7 | ~1933 |
| Judith Bird | Daughter | — | ~1940 | |
| Virginia Bird | Daughter | — | 2 | ~1938 |
| Robt Bird | Head | — | 30 | ~1910 |
| Walter Bird | Son | — | 5 | ~1935 |
| Margery Bird | Daughter | — | 10 | ~1930 |
| Mary Bird | Spouse | — | 28 | ~1912 |
| Betty Bird | Daughter | — | 8 | ~1932 |
| Jacqueline Bird | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Multnomah, Oregon
Other, age 18
Multnomah, Oregon · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | Mary A. |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 17 |
| Father's Birthplace | Texas |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Multnomah-County, Oregon
Spouse, age 28
Multnomah-County, Oregon · implied b. ~1912 — 9 household members
| Surname | Bird |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Bird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bird
Spouse · 1940 · age 28 · b. ~1912 · Oregon
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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
36 people indexed on this census page (nara:1940:m-t0627-03390-00947)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geo M Stewart | 35 | Lodger | Salesman | Norway |
| 2 | Norman N Fulty | 70 | Head | Barber | Missouri |
| 3 | Sarah C Fulty | 74 | Wife | — | Iowa |
| 4 | Nick J Banks | 48 | Head | Restaurant Oper | Arkansas |
| 5 | Maude C Banks | 38 | Wife | — | Missouri |
| 6 | Ella B Banks | 11 | Daughter | — | Oklahoma |
| 7 | Audrey S Banks | 8 | Daughter | — | Oklahoma |
| 8 | Nick J Jr Banks | 7 | Son | — | Oklahoma |
| 9 | Chas N Lewis | 43 | Head | Farmer | Cuba |
| 10 | Mary Bell Lewis | 50 | Wife | — | Missouri |
| 11 | Robt Hermes | 27 | Head | Manager Oper | Texas |
| 12 | Robt D Bird | 30 | Head | Butcher | Oregon |
| 13 | Mary A Bird THIS PERSON | 28 | Wife | — | Colorado |
| 14 | Margery A Bird | 10 | Daughter | — | Oregon |
| 15 | Betty Jean Bird | 8 | Daughter | — | Oregon |
| 16 | Robt D Jr Bird | 7 | Son | — | Oregon |
| 17 | Walter L Bird | 5 | Son | — | Oregon |
| 18 | Virginia L Bird | 2 | Daughter | — | Oregon |
| 19 | Jacqueline Bird | 2 | Daughter | — | Oregon |
| 20 | Judith A Bird | 0 | Daughter | — | Oregon |
| 21 | Thos Wm Campbell | 74 | Head | — | Virginia |
| 22 | Bertie Campbell | 45 | Wife | — | Missouri |
| 23 | Vernon S Baker | 34 | Lodger | Salesman | Nebraska |
| 24 | Ores H Lightring | 43 | Head | Painter | Missouri |
| 25 | Agnes H Lightring | 30 | Wife | Housemaid | Missouri |
| 26 | Catherine Dewar | 63 | Head | — | California |
| 27 | Lucille Dewar | 43 | Daughter | — | Oregon |
| 28 | Mildred Dewar | 40 | Daughter | — | Oregon |
| 29 | Elizabeth Dewar | 45 | Daughter | Clerk | Oregon |
| 30 | Alex E Dewar | 34 | Son | Mechanic | Oregon |
| 31 | Virginia Mccarl | 21 | Granddaughter | Stenographer | Oregon |
| 32 | Robert Mccarl | 18 | Grandson | — | Oregon |
| 33 | Jos Keefe | 48 | Head | Mechanic | Penn |
| 34 | Mattie Keefe | 48 | Wife | — | Germany |
| 35 | Wm Edw Goodrich | 42 | Lodger | Truck Driver | Missouri |
| 36 | Roy Clark Harper | 46 | Head | Elec Engineer | Nebraska |
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)