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Mary Bird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Seminole-County, Oklahoma
Our Model Tree links this Mary Bird across the 1930 and 1940 US Censuses in Seminole-County, Oklahoma (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Female
Spouse
Born: Arkansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Seminole-County, Oklahoma |
| Surname | Bird |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Econtuchka |
| 1935 Residence (County) | Seminole |
| Additional Details | |
| Industry | H |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Econtuchka |
| Est. Birth Year | ~1889 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jack Bird | Head | — | 49 | ~1891 |
| Calvin Bird | Son | — | 18 | ~1922 |
| Charlie Bird | Son | — | 26 | ~1914 |
| Mary Bird | Spouse | — | 51 | ~1889 |
| Arline Bird | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Seminole, Oklahoma
Spouse, age 41
Seminole, Oklahoma · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | American Indian |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 22 |
| Father's Birthplace | Mixed Blood |
| Mother's Birthplace | Cherokee |
| Can Read/Write | No |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Seminole-County, Oklahoma
Spouse, age 51
Seminole-County, Oklahoma · implied b. ~1889 — 5 household members
| Surname | Bird |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Econtuchka |
| 1935 Residence (County) | Seminole |
| Industry | H |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 51 · b. ~1889 · Oklahoma
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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 — Seminole-County, Oklahoma
Open full size
1940 US Federal Census — Seminole-County, Oklahoma
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03331-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifford Youngblood | 32 | Head | Farmer | Oklahoma |
| 42 | Ceola Youngblood | 27 | Wife | — | Oklahoma |
| 43 | Norman Youngblood | 10 | Son | — | Alaska |
| 44 | Jack Bird | 49 | Head | Farmer | Oklahoma |
| 45 | Mary Bird THIS PERSON | 51 | Wife | — | Arkansas |
| 46 | Charlie Bird | 26 | Son | Farmer | Oklahoma |
| 47 | Calvin Bird | 18 | Son | Farmer | Oklahoma |
| 48 | Arline Bird | 12 | Daughter | — | Oklahoma |
| 49 | C Lindsay | 67 | Head | Farmer | Texas |
| 50 | Ola Lindsay | 40 | Wife | — | Texas |
| 51 | Etta Lindsay | 22 | Daughter | — | Oklahoma |
| 52 | Pearl Lindsay | 20 | Daughter | — | Oklahoma |
| 53 | Dora Lindsay | 18 | Daughter | — | Oklahoma |
| 54 | Lillian Lindsay | 16 | Daughter | — | Oklahoma |
| 55 | Lottie Lindsay | 14 | Daughter | — | Oklahoma |
| 56 | Dealie Lindsay | 12 | Daughter | — | Oklahoma |
| 57 | Buddie Lindsay | 10 | Son | — | Oklahoma |
| 58 | Rosa May Lindsay | 8 | Daughter | — | Oklahoma |
| 59 | Troy Lindsay | 6 | Son | — | Oklahoma |
| 60 | Carry Lavon Lindsay | 4 | Daughter | — | Oklahoma |
| 61 | Jaly Lindsay | 61 | Brother | Laborer | Texas |
| 62 | O. M. Stroud | 57 | Head | Farmer | Missouri |
| 63 | Annie Stroud | 52 | Wife | — | Arkansas |
| 64 | Elmo Stroud | 18 | Son | — | Oklahoma |
| 65 | Darline Stroud | 13 | Daughter | — | Oklahoma |
| 67 | Earl Newell | 27 | Head | Farmer | Oklahoma |
| 68 | George Newell | 20 | Brother | Farmer | Oklahoma |
| 69 | James C. Newell | 11 | Brother | — | Oklahoma |
| 70 | J. M. Slaughter | 70 | Head | Farmer | Arkansas |
| 71 | Neala Slaughter | 47 | Wife | — | Oklahoma |
| 72 | Emie Slaughter | 23 | Son | Farmer | Oklahoma |
| 73 | Evan Slaughter | 13 | Son | Farmer | Oklahoma |
| 74 | Floyd Slaughter | 11 | Son | — | Oklahoma |
| 75 | Seaborn Dunagan | 26 | Head | Pumper | Oklahoma |
| 76 | Lulla Dunagan | 18 | Wife | — | Oklahoma |
| 77 | C. H. Evans | 47 | Head | Lease Foreman | Kansas |
| 78 | Bertha Evans | 45 | Wife | — | Oklahoma |
| 79 | F. D. Adamson | 56 | Head | Farmer | Illinois |
| 80 | Myra Adamson | 52 | Wife | — | 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)