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Mary Blackburn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Love-County, Oklahoma
Our Model Tree links this Mary Blackburn across the 1930 and 1940 US Censuses in Love-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Love-County, Oklahoma |
| Surname | Blackburn |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Hickory Township |
| 1935 Residence (County) | Love |
| Additional Details | |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Hickory Township |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Mc Gill | Spouse | — | 43 | ~1897 |
| John Blackburn | Other | — | 18 | ~1922 |
| Mathew Mc Gill | Head | — | 54 | ~1886 |
| Mary Blackburn | Daughter | — | 12 | ~1928 |
| Clarence Mc Gill | Son | — | 12 | ~1928 |
| Betty Mc Gill | Daughter | — | 3 | ~1937 |
| Georgia Blackburn | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Love, Oklahoma
Daughter, age 2
Love, Oklahoma · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Texas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Love-County, Oklahoma
Daughter, age 12
Love-County, Oklahoma · implied b. ~1928 — 7 household members
| Surname | Blackburn |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Hickory Township |
| 1935 Residence (County) | Love |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Blackburn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Daughter · 1940 · age 12 · b. ~1928 · Oklahoma
★ You are viewing this record
Sibling
Clarence Mc Gill
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgia Blackburn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mc Gill
Sibling · 1940 · age 3
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 — Love-County, Oklahoma
Open full size
1940 US Federal Census — Love-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03308-00111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jesse K. Shilling | 43 | Head | Merchant | Oklahoma |
| 2 | Elsie J. Shilling | 45 | Wife | — | Arkansas |
| 3 | Robert J. Ab. Shilling | 24 | Son | Laborer | Oklahoma |
| 4 | Belva A. Ab. Shilling | 19 | Son | Laborer | Oklahoma |
| 5 | Mary G. Shilling | 13 | Daughter | — | Oklahoma |
| 6 | Glen R. Smithers | 37 | Head | Laborer | Texas |
| 7 | Callie M. Smithers | 34 | Wife | — | Oklahoma |
| 8 | Mildred F. Smithers | 10 | Daughter | — | Oklahoma |
| 9 | Glen Jr. Smithers | 8 | Son | — | Oklahoma |
| 10 | Francis F. Smithers | 5 | Daughter | — | Oklahoma |
| 11 | Shirley A. Smithers | 3 | Daughter | — | Oklahoma |
| 12 | Herschell W. Curlee | 24 | Head | Janitor | Oklahoma |
| 13 | Orlena N. Curlee | 22 | Wife | — | Oklahoma |
| 14 | Donald F. Curlee | 1 | Son | — | Oklahoma |
| 15 | Barbara H. Curlee | 0 | Daughter | — | Oklahoma |
| 16 | Royall Walker | 14 | Step son | — | Oklahoma |
| 17 | Bob Thomas | 55 | Head | Farmer | Oklahoma |
| 18 | Susan Thomas | 55 | Wife | — | Oklahoma |
| 19 | Lula Johnson | 35 | Cousin | — | Oklahoma |
| 20 | James C. Thomas | 12 | Son | — | Oklahoma |
| 21 | Tom Thomas | 11 | Son | — | Oklahoma |
| 22 | Mathew Mc Gill | 54 | Head | Farmer | Mississippi |
| 23 | Martha Mc Gill | 43 | Wife | — | Texas |
| 24 | Clarence A. Mc Gill | 12 | Son | — | Texas |
| 25 | Betty J. Mc Gill | 3 | Daughter | — | Oklahoma |
| 26 | John W. Blackburn | 18 | Son in law | Laborer | Texas |
| 27 | Mary A. Blackburn THIS PERSON | 12 | Daughter | — | Oklahoma |
| 28 | Georgia E. Blackburn | 5 | Daughter | — | Oklahoma |
| 29 | Adline Allen | 42 | Head | — | Oklahoma |
| 30 | Tandy W. Allen | 17 | Son | Laborer | Oklahoma |
| 31 | Winnie Allen | 16 | Daughter | — | Oklahoma |
| 32 | Minnie Allen | 14 | Daughter | — | Oklahoma |
| 33 | Calvin C. Allen | 12 | Son | — | Oklahoma |
| 34 | Franklin P.R. Allen | 11 | Son | — | Oklahoma |
| 35 | Willie Mc Fadden | 38 | Head | Farmer | Oklahoma |
| 36 | Frankie S. Mc Fadden | 37 | Wife | — | Oklahoma |
| 37 | Cyrus O. Mc Fadden | 13 | Son | — | Oklahoma |
| 38 | Joe M. Mc Fadden | 12 | Son | — | Oklahoma |
| 39 | Patty J. Mc Fadden | 8 | Daughter | — | Oklahoma |
| 40 | Robert Lab Schlatz | 37 | Head | Teacher | Oklahoma |
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)