ML
Mary Lyon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bryan-County, Oklahoma
Our Model Tree links this Mary Lyon across the 1920, 1930 and 1940 US Censuses in Bryan-County, Oklahoma (XGBoost, ~Confirmed), with identified parents David & Frank — first a daughter (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bryan-County, Oklahoma |
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Bennington Twp |
| 1935 Residence (County) | Bryan |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Bennington Twp |
| Est. Birth Year | ~1891 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Claude Looney | Other | — | 28 | ~1912 |
| Frank Lyon | Head | — | 58 | ~1882 |
| Jack Lyon | Son | — | 38 | ~1902 |
| Mary Lyon | Daughter | — | 49 | ~1891 |
Census Appearances
1920
Bryan, Oklahoma
Daughter, age 27
Bryan, Oklahoma · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Bryan, Oklahoma
Daughter, age 38
Bryan, Oklahoma · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Bryan-County, Oklahoma
Daughter, age 49
Bryan-County, Oklahoma · implied b. ~1891 — 4 household members
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Bennington Twp |
| 1935 Residence (County) | Bryan |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Lyon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Lyon (~0.92 confidence) and father Frank Lyon (~0.60 confidence) and father David Lyon (~0.55 confidence) and mother Carrie Lyon (~0.55 confidence) and mother Harriett Lyon (~0.55 confidence) and mother Carrie Lyon (~0.92 confidence) and mother Harriett Lyon (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.72
Father
David Lyon
b. ~1851
Source father
● Household
· direct · ~0.92
Father
Frank Lyon
b. ~1882
Source father
● Household
· direct · ~0.6
Father
David Lyon
b. ~1851
Source father>father
● Household
· direct · ~0.55
Mother
Carrie Lyon
b. ~1858
Source father>mother
● Household
· direct · ~0.55
Mother
Harriett Lyon
b. ~1858
Source father>mother
● Household
· direct · ~0.55
Mother
Carrie Lyon
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Harriett Lyon
b. ~1858
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lyon
Daughter · 1940 · age 49 · b. ~1891 · Oklahoma
★ You are viewing this record
Sibling
Jack Lyon
Sibling · 1940 · age 38
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 — Bryan-County, Oklahoma
Open full size
1940 US Federal Census — Bryan-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03278-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Lyon | 58 | Head | Farmer | Texas |
| 2 | Mary Lyon THIS PERSON | 49 | Daughter | — | Texas |
| 3 | Jack Lyon | 38 | Son | Farmer | Texas |
| 4 | Claude Looney | 28 | Lodger | Farm Laborer | Arkansas |
| 5 | Marino B. Vasquez | 49 | Head | Farmer | Mexico |
| 6 | Anna Vasquez | 46 | Wife | — | Texas |
| 7 | Manuel Vasquez | 16 | Son | Farm Laborer | Texas |
| 8 | Tom Ardrey | 36 | Head | Laborer | Oklahoma |
| 9 | Mary Ardrey | 26 | Wife | — | Texas |
| 10 | J. D. Ardrey | 6 | Son | — | Oklahoma |
| 11 | Louie B. Ardrey | 5 | Son | — | Oklahoma |
| 12 | Rosetta Ardrey | 2 | Daughter | — | Oklahoma |
| 13 | Anna Hutchison | 75 | Mother-in-law | — | Tennessee |
| 14 | Clarence Brantley | 34 | Head | — | Texas |
| 15 | Doyles Brantley | 25 | Wife | — | Texas |
| 16 | Bobbie Joe Brantley | 8 | Son | — | Oklahoma |
| 17 | Wesley Brantley | 5 | Son | — | Oklahoma |
| 18 | Lavina Brantley | 2 | Daughter | — | Oklahoma |
| 19 | Warren G. Brantley | 2 | Son | — | Oklahoma |
| 20 | A. C. Jones | 45 | Head | Farmer | Arkansas |
| 21 | Sybil Jones | 36 | Wife | — | Missouri |
| 22 | Max Jones | 15 | Son | — | Missouri |
| 23 | Junior Jones | 13 | Son | — | Texas |
| 24 | Dowell Neil | 34 | Lodger | Farm Laborer | Texas |
| 25 | C. P. Payne | 56 | Head | Farmer | Tennessee |
| 26 | Ona Payne | 56 | Wife | — | Arkansas |
| 27 | Doris D. Payne | 22 | Son | Farm Laborer | Oklahoma |
| 28 | Lyda Gwinnup | 56 | Housekeeper | House Keeper | Missouri |
| 29 | Kerney Payne | 31 | Head | Farm Laborer | Oklahoma |
| 30 | Sammie Lee Payne | 27 | Wife | — | Texas |
| 31 | Charlene Payne | 9 | Daughter | — | Texas |
| 32 | Wilma Payne | 1 | Daughter | — | Oklahoma |
| 33 | Pauline Buford | 23 | Head | Farm Laborer | Oklahoma |
| 34 | Opal Buford | 19 | Wife | — | Oklahoma |
| 35 | R. J. Hill | 23 | Head | Farm Laborer | Oklahoma |
| 36 | Geraldine Hill | 19 | Wife | — | Oklahoma |
| 37 | Jimmie F. Hill | 3 | Son | — | Oklahoma |
| 38 | Richard N. Hill | 2 | Son | — | Oklahoma |
| 39 | Perry Hill | 56 | Father | — | Tennessee |
| 40 | Jeff Smith | 47 | Head | Farmer | Oklahoma |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.84
Gen 2 · 3 grandparents
~0.55
Max depth 4 (1900–1950 window)
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)