MS
Mary Simms — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Kentucky
Our Model Tree links this Mary Simms across the 1930 and 1940 US Censuses in Mason-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Kentucky |
| Surname | Simms |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 8 |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 8 |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Leonard Simms | Son | — | 4 | ~1936 |
| Lilly Simms | Daughter | — | 18 | ~1922 |
| Anna Simms | Daughter | — | 11 | ~1929 |
| William Simms | Son | — | 2 | ~1938 |
| Jovelyn Simms | Daughter | — | 7 | ~1933 |
| Loretta Simms | Daughter | — | 12 | ~1928 |
| Marilyn Simms | Daughter | — | 8 | ~1932 |
| Leonard Simms | Head | — | 38 | ~1902 |
| Wilbur Simms | Son | — | 1 | ~1939 |
| Lula Simms | Spouse | — | 36 | ~1904 |
| Mary Simms | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Mason, Kentucky
Daughter, age 4
Mason, Kentucky · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Mason-County, Kentucky
Daughter, age 14
Mason-County, Kentucky · implied b. ~1926 — 11 household members
| Surname | Simms |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 8 |
| 1935 Residence (County) | Mason |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simms
Daughter · 1940 · age 14 · b. ~1926 · Kentucky
★ You are viewing this record
Sibling
Marilyn Simms
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Simms
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Simms
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Simms
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jovelyn Simms
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Simms
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Simms
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Simms
Sibling · 1940 · age 11
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 — Mason-County, Kentucky
Open full size
1940 US Federal Census — Mason-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01340-00441)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl Timme | 13 | Son | — | Kentucky |
| 42 | Emma Timme | 11 | Daughter | — | Kentucky |
| 43 | Myrtle Timme | 10 | Daughter | — | Kentucky |
| 44 | Vivian Timme | 8 | Daughter | — | Kentucky |
| 45 | Orville Timme | 5 | Son | — | Kentucky |
| 46 | Mildred Timme | 3 | Daughter | — | Kentucky |
| 47 | Arthur R Timme | 1 | Son | — | Kentucky |
| 48 | Leonard M. Simms | 38 | Head | Labor | Kentucky |
| 49 | Lula H Simms | 36 | Wife | — | Kentucky |
| 50 | Lilly K Simms | 18 | Daughter | — | Kentucky |
| 51 | Mary E Simms THIS PERSON | 14 | Daughter | — | Kentucky |
| 52 | Loretta Simms | 12 | Daughter | — | Kentucky |
| 53 | Anna F Simms | 11 | Daughter | — | Kentucky |
| 54 | Marilyn Simms | 8 | Daughter | — | Kentucky |
| 55 | Jovelyn H Simms | 7 | Daughter | — | Kentucky |
| 56 | Leonard E. Simms | 4 | Son | — | Kentucky |
| 57 | William J Simms | 2 | Son | — | Kentucky |
| 58 | Wilbur E. Simms | 1 | Son | — | Kentucky |
| 59 | George D Gully | 49 | Head | Farmer | Kentucky |
| 60 | Helen Gully | 47 | Wife | — | Kentucky |
| 61 | Dennis D Gully | 39 | Head | Farmer | Kentucky |
| 62 | Allie Gully | 36 | Wife | — | Kentucky |
| 63 | Loraine Gully | 25 | Niece | — | Kentucky |
| 64 | Nate D Drake | 65 | Head | Farmer | Kentucky |
| 65 | Cora B Drake | 62 | Wife | — | Kentucky |
| 66 | Robert D Bennett | 85 | Head | — | Kentucky |
| 67 | Teresa Bennett | 57 | Wife | — | Kentucky |
| 68 | Millie M Bennett | 16 | Son | — | Kentucky |
| 69 | Estell D Stanfield | 25 | Head | Farmer | Kentucky |
| 70 | Rena R Stanfield | 22 | Wife | — | Kentucky |
| 71 | Donald Stanfield | 1 | Son | — | Kentucky |
| 72 | Mary Lawrence | 77 | Head | — | Indiana |
| 73 | Harlan D Lawrence | 39 | Head | Janitor | Kentucky |
| 74 | Bertha Lawrence | 40 | Wife | — | Kentucky |
| 75 | Alma D Gardner | 53 | Sister-in-law | — | Kentucky |
| 76 | Charles Luman | 72 | Lodger | — | Kentucky |
| 77 | Carl Henderson | 35 | Head | Labor | Ohio |
| 78 | Irene D Henderson | 17 | Wife | — | Ohio |
| 79 | Nina R Henderson | 0 | Daughter | — | Kentucky |
| 80 | Alva Ryan | 58 | Head | Farmer | Kentucky |
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)