MD
Mary Dillon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Oklahoma
Our Model Tree links this Mary Dillon across the 1930 and 1940 US Censuses in Lincoln-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Oklahoma |
| Surname | Dillon |
| Given Name | Mary Frances |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Stroud City |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Stroud City |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Olga Dillon | Daughter | — | 15 | ~1925 |
| Mary Dillon | Daughter | — | 13 | ~1927 |
| Leota Dillon | Daughter | — | 8 | ~1932 |
| Nancy Dillon | Daughter | — | ~1940 | |
| Ethel Halstead | Daughter | — | 3 | ~1937 |
| Richard Dillon | Head | — | 42 | ~1898 |
| Monty Dillon | Son | — | 20 | ~1920 |
| Edward Dillon | Son | — | 1 | ~1939 |
| William Halstead | Son | — | 6 | ~1934 |
| Ethel Dillon | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Lincoln, Oklahoma
Daughter, age 3
Lincoln, Oklahoma · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | Mary P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Lincoln-County, Oklahoma
Daughter, age 13
Lincoln-County, Oklahoma · implied b. ~1927 — 10 household members
| Surname | Dillon |
| Given Name | Mary Frances |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Stroud City |
| 1935 Residence (County) | Lincoln |
| Highest Grade | No 6 |
| 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 Dillon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dillon
Daughter · 1940 · age 13 · b. ~1927 · Oklahoma
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Sibling
William Halstead
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Halstead
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Monty Dillon
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Dillon
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olga Dillon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dillon
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leota Dillon
Sibling · 1940 · age 8
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 — Lincoln-County, Oklahoma
Open full size
1940 US Federal Census — Lincoln-County, Oklahoma
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03306-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Jean Allen | 7 | daughter | — | Oklahoma |
| 2 | Bennie Jack Allen | 4 | son | — | Oklahoma |
| 3 | Roy L. Manning | 47 | Head | Operator | Kansas |
| 4 | Florence Manning | 44 | wife | — | Oklahoma |
| 5 | Carl W. Manning | 18 | son | Cleaning & Pressing | Oklahoma |
| 6 | Lorne Manning | 11 | daughter | — | Oklahoma |
| 7 | Earnest Hicks | 37 | Head | Laborer | Oklahoma |
| 8 | Bessie Hicks | 32 | wife | — | Oklahoma |
| 9 | Billy Hicks | 9 | son | — | Oklahoma |
| 10 | J. D. Martin | 82 | Head | — | North Carolina |
| 11 | Mary Leeanna Martin | 74 | wife | — | Arkansas |
| 12 | Richard Dillon | 42 | Head | Laborer | Missouri |
| 13 | Ethel Alberta Dillon | 40 | wife | — | Colorado |
| 14 | Monty James Dillon | 20 | son | Laborer | Oklahoma |
| 15 | Olga Fay Dillon | 15 | daughter | — | Oklahoma |
| 16 | Mary Frances Dillon THIS PERSON | 13 | daughter | — | Oklahoma |
| 17 | Leota May Dillon | 8 | daughter | — | Oklahoma |
| 18 | Edward Lewis Dillon | 1 | son | — | Oklahoma |
| 19 | Nancy Catherine Dillon | 0 | daughter | — | Oklahoma |
| 20 | William Le Roy Halstead | 6 | son | — | Oklahoma |
| 21 | Ethel Roberta Halstead | 3 | daughter | — | Oklahoma |
| 22 | Allie Rieks | 65 | Head | — | Ohio |
| 23 | William Davis | 75 | lodger | — | Oklahoma |
| 24 | Chester Melton | 29 | Head | Laborer | Missouri |
| 25 | Laura Melton | 14 | wife | — | Oklahoma |
| 26 | John J. Maige | 64 | Head | Laborer | Tennessee |
| 27 | Lora Maude Maige | 58 | wife | — | Oklahoma |
| 28 | Ira Maige | 18 | son | — | Oklahoma |
| 29 | Betty Maige | 26 | daughter | Maid | Oklahoma |
| 30 | Charles Ray Ray | 4 | grandson | — | Oklahoma |
| 31 | Laura Ward | 32 | Head | — | Missouri |
| 32 | Elmer Ward | 12 | son | — | Oklahoma |
| 33 | J. A. Kirby | 27 | Head | Laborer | Oklahoma |
| 34 | Berta Kirby | 21 | wife | — | Oklahoma |
| 35 | Jo Anna Kirby | 1 | daughter | — | Oklahoma |
| 36 | W. E. Groves | 41 | Head | Carpenter | Oklahoma |
| 37 | Lottie Groves | 31 | wife | — | Oklahoma |
| 38 | James Lewis Groves | 2 | son | — | Oklahoma |
| 39 | Le Roy Levicy | 12 | nephew in-law | — | 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)