KD
Katherine Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Katherine Davis across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 10-person household.
Age 36
b. ~1904
Female
Spouse
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Davis |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1904 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Robert Davis | Son | — | 12 | ~1928 |
| Katherine Davis | Daughter | — | 7 | ~1933 |
| James Davis | Son | — | ~1940 | |
| Katherine Davis | Spouse | — | 36 | ~1904 |
| Lowell Davis | Son | — | 16 | ~1924 |
| Satilla Davis | Daughter | — | 8 | ~1932 |
| Lowell Davis | Head | — | 38 | ~1902 |
| John Davis | Son | — | 14 | ~1926 |
| Fred Davis | Son | — | 3 | ~1937 |
| Turner Davis | Son | — | 6 | ~1934 |
Census Appearances
1930
Duval, Florida
Spouse, age 26
Duval, Florida · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Duval-County, Florida
Spouse, age 36
Duval-County, Florida · implied b. ~1904 — 10 household members
| Surname | Davis |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Katherine Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Davis
Spouse · 1940 · age 36 · b. ~1904 · Florida
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00626-00646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Knight | 48 | Head | Maid | Florida |
| 2 | George Knight | 17 | Grandson | — | Florida |
| 3 | Jessie Smith | 19 | Lodger | Delivery Boy | Florida |
| 4 | Paris Walthour | 34 | Head | Laborer | Georgia |
| 5 | Ruth Walthour | 36 | Wife | Laundress | Georgia |
| 6 | Ernest Walthour | 16 | Son | — | Florida |
| 7 | Polly Jean Walthour | 2 | Daughter | — | Florida |
| 9 | Seth M Costas | 29 | Head | Millwright | Texas |
| 10 | Mae Costas | 28 | Wife | — | Florida |
| 11 | Seth W Costas | 10 | Son | — | Florida |
| 12 | Charles David Costas | 6 | Son | — | Florida |
| 13 | Lois Clara Costas | 3 | Daughter | — | Florida |
| 14 | Raymond Clyde Costas | 2 | Son | — | Florida |
| 15 | Lowell A Sr Davis | 38 | Head | Body Man | Florida |
| 16 | Katherine Davis THIS PERSON | 36 | Wife | — | Georgia |
| 17 | Lowell A Jr Davis | 16 | Son | New Worker | Georgia |
| 18 | John Hill Davis | 14 | Son | — | Georgia |
| 19 | Robert E Davis | 12 | Son | — | Florida |
| 20 | Satilla Davis | 8 | Daughter | — | Florida |
| 21 | Katherine M Davis | 7 | Daughter | — | Florida |
| 22 | Turner S Davis | 6 | Son | — | Florida |
| 23 | Fred W Davis | 3 | Son | — | Florida |
| 24 | James P Davis | 0 | Son | — | Florida |
| 25 | William Stafford | 27 | Head | Seaman | Florida |
| 26 | Worthy Stafford | 24 | Wife | — | Florida |
| 27 | George Stafford | 6 | Son | — | Florida |
| 28 | James Stafford | 5 | Son | — | Florida |
| 29 | Ronald Stafford | 1 | Son | — | Florida |
| 30 | Glover A Fisher | 26 | Head | Night Watchman | Florida |
| 31 | Mary E Fisher | 30 | Wife | — | North Carolina |
| 32 | Shirley Marie Fisher | 3 | Daughter | — | Florida |
| 33 | Luvittie Hamilton | 62 | Mother-in-law | — | North Carolina |
| 34 | Emma Rhodes | 82 | Head | — | New Hampshire |
| 35 | Edward Thomas | 28 | Head | Truck Driver | Florida |
| 36 | Thelma Thomas | 26 | Wife | — | Florida |
| 37 | Betty Jane Thomas | 8 | Daughter | — | Florida |
| 38 | Miriam Thomas | 6 | Daughter | — | Florida |
| 39 | Harry Thomas | 1 | Son | — | Florida |
| 40 | Rosa Collins | 65 | Head | — | Georgia |
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)