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James Simms — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Kentucky
Our Model Tree links this James Simms across the 1930 and 1940 US Censuses in Mason-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Kentucky |
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 8 |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | No 4 |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Willie Simms | Head | — | 70 | ~1870 |
| James Simms | Son | — | 14 | ~1926 |
| Albert Simms | Son | — | 18 | ~1922 |
| Hattie Simms | Daughter | — | 13 | ~1927 |
| Sally Simms | Spouse | — | 46 | ~1894 |
| Jake Simms | Son | — | 15 | ~1925 |
Census Appearances
1930
Mason, Kentucky
Son, age 5
Mason, Kentucky · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Mason-County, Kentucky
Son, age 14
Mason-County, Kentucky · implied b. ~1926 — 6 household members
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 8 |
| 1935 Residence (County) | Mason |
| Highest Grade | No 4 |
| 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 James Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Simms
Son · 1940 · age 14 · b. ~1926 · Kentucky
★ You are viewing this record
Sibling
Albert Simms
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jake Simms
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Simms
Sibling · 1940 · age 13
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
39 people indexed on this census page (nara:1940:m-t0627-01340-00452)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles M. Simms | 55 | Head | Farmer | Kentucky |
| 2 | Kattie B. Simms | 62 | Wife | — | Kentucky |
| 3 | Chester Craft | 22 | Lodger | Labor | Kentucky |
| 4 | Theodore B. Simms | 31 | Head | Farmer | Kentucky |
| 5 | Marnie Simms | 29 | Wife | — | Kentucky |
| 6 | Clarence T. Simms | 5 | Son | — | Kentucky |
| 7 | Charlie E. Simms | 7 | Son | — | Kentucky |
| 8 | John R. Simms | 3 | Son | — | Kentucky |
| 9 | Albert R. Simms | 64 | Head | — | Kentucky |
| 10 | Emma Simms | 58 | Wife | — | Kentucky |
| 11 | Tincia Applegate | 55 | Head | — | Kentucky |
| 12 | Nelson Stacy | 20 | Son in law | Labor | Kentucky |
| 13 | Helen D. Stacy | 20 | Daughter | — | Kentucky |
| 14 | James Thomas | 68 | Brother | — | Kentucky |
| 15 | Amanda Wilson | 67 | Head | — | Kentucky |
| 16 | Ernest York | 29 | Son | Labor | Kentucky |
| 17 | Lloyd Jamison | 21 | Son | Labor | Ohio |
| 18 | Glenn Applegate | 38 | Head | Labor | Kentucky |
| 19 | Jennie Applegate | 32 | Wife | — | Kentucky |
| 20 | Rena Applegate | 9 | Daughter | — | Kentucky |
| 21 | Nellie Applegate | 7 | Daughter | — | Kentucky |
| 22 | Naomi Applegate | 4 | Daughter | — | Kentucky |
| 23 | Delores Applegate | 2 | Daughter | — | Kentucky |
| 25 | Robert D. Gidding | 62 | Head | Farmer | Kentucky |
| 26 | Ethel B. Gidding | 63 | Wife | — | Kentucky |
| 27 | Willie Simms | 70 | Head | Farmer | Kentucky |
| 28 | Sally Simms | 46 | Wife | — | Kentucky |
| 29 | Albert Simms | 18 | Son | Farmer | Kentucky |
| 30 | Jake D. Simms | 15 | Son | Farmer | Kentucky |
| 31 | Hattie Simms | 13 | Daughter | — | Kentucky |
| 32 | James Simms THIS PERSON | 14 | Son | — | Kentucky |
| 33 | Edward Payne | 61 | Head | Farmer | Kentucky |
| 34 | Anna Payne | 54 | Wife | — | Kentucky |
| 35 | Robert Baxter | 39 | Head | Farmer | Kentucky |
| 36 | Hallie S. Baxter | 33 | Wife | — | Kentucky |
| 37 | Myrtle Baxter | 18 | Daughter | — | Kentucky |
| 38 | Ollie M. Baxter | 16 | Daughter | — | Kentucky |
| 39 | Harry Baxter | 14 | Son | — | Kentucky |
| 40 | James D. Baxter | 11 | Son | — | 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)