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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 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 8-person household.
Age 55
b. ~1885
Female
Spouse
Born: Alabama
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 | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Portland |
| Est. Birth Year | ~1885 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ulysses Bird | Daughter | — | 18 | ~1922 |
| Florence Bird | Daughter | — | 9 | ~1931 |
| Augustus Bird | Son | — | 22 | ~1918 |
| Inez Bird | Daughter | — | 26 | ~1914 |
| Gladys Bird | Daughter | — | 32 | ~1908 |
| Clifford Bird | Son | — | 23 | ~1917 |
| Robert Bird | Head | — | 58 | ~1882 |
| Mary Bird | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Multnomah, Oregon
Spouse, age 30
Multnomah, Oregon · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Multnomah, Oregon
Spouse, age 42
Multnomah, Oregon · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Multnomah-County, Oregon
Spouse, age 55
Multnomah-County, Oregon · implied b. ~1885 — 8 household members
| Surname | Bird |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bird
Spouse · 1940 · age 55 · b. ~1885 · Oregon
★ You are viewing this record
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-t0627-03392-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie Frear | 46 | Wife | — | Russia |
| 2 | Earl Frear | 25 | Son | Groceryman | Oregon |
| 3 | Conrad Frear | 21 | Son | Clerk | Oregon |
| 4 | Jean Frear | 15 | Daughter | — | Oregon |
| 5 | Emma Frear | 83 | Mother | — | Russia |
| 6 | George Potter | 78 | Head | Waiter | Oregon |
| 7 | Clara S. Potter | 61 | Wife | — | California |
| 8 | Edmond Campion | 41 | Head | Engineer | Oregon |
| 9 | Ann G. Campion | 36 | Wife | — | Oregon |
| 10 | William H. Fisk | 69 | Head | Lumber Inspector | Illinois |
| 11 | Lyda S. Fisk | 70 | Wife | — | Oregon |
| 12 | Alfred Fuller | 43 | Head | Auto Mechanic | California |
| 13 | Louise A. Fuller | 33 | Wife | Grader | Oregon |
| 14 | George Repp | 57 | Head | Grocery Man | Russia |
| 15 | Katherine K. Repp | 56 | Wife | — | Russia |
| 16 | Harold Gunsulius | 33 | Head | Shipping Clerk | California |
| 17 | Emma Gunsulius | 34 | Wife | — | Washington |
| 18 | Richard Gunsulius | 0 | Son | — | Oregon |
| 19 | — | None | — | — | — |
| 20 | Anna Bloom | 67 | Head | — | Russia |
| 21 | Christina Bloom | 45 | Daughter | Sewing Machine Operator | Russia |
| 22 | John Roberts | 25 | Son | Truck Driver | Oregon |
| 23 | Ann G. Roberts | 24 | Daughter | — | Oregon |
| 24 | Louise Roberts | 2 | Daughter | — | Oregon |
| 25 | Robert Bird | 58 | Head | Managing Owner Operator | West Indies |
| 26 | Mary A. Bird THIS PERSON | 55 | Wife | — | Alabama |
| 27 | Gladys Bird | 32 | Daughter | Housework | Oregon |
| 28 | Inez Bird | 26 | Daughter | Maid | Oregon |
| 29 | Ulysses Bird | 18 | Daughter | — | Oregon |
| 30 | Clifford Bird | 23 | Son | Porter | Oregon |
| 31 | Augustus Bird | 22 | Son | Porter | Oregon |
| 32 | Florence Bird | 9 | Daughter | — | Oregon |
| 33 | Charles W. G. Svenson | 75 | Head | Painter | Sweden |
| 34 | Lillian Alice Svenson | 61 | Housekeeper | Housekeeper | Oregon |
| 35 | Bertha A. Nelson | 68 | Head | — | Norway |
| 36 | Arthur M. Mueller | 51 | Head | Shoe Repair | Iowa |
| 37 | Dolly A. Mueller | 51 | Wife | — | Oregon |
| 38 | John H. Sumner | 53 | Head | Coach Carpenter | Russia |
| 39 | Pauline S. Sumner | 50 | Wife | — | Nebraska |
| 40 | Robert Sumner | 22 | Son | Parts Dept | 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)