RD
Robert Davidson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crittenden-County, Kentucky
Our Model Tree links this Robert Davidson across the 1920, 1930 and 1940 US Censuses in Crittenden-County, Kentucky (XGBoost, ~Confirmed), with identified parents Lacy & Kate — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crittenden-County, Kentucky |
| Surname | Davidson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist #4 Union |
| 1935 Residence (County) | Crittenden |
| Additional Details | |
| Occupation | Machinist |
| Industry | Fluor Spar |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 900 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Machinist |
| Township / Ward | Mag Dist 4 Union |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edith Davidson | Spouse | — | 19 | ~1921 |
| Robert Davidson | Head | — | 22 | ~1918 |
| Betty Davidson | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Crittenden, Kentucky
Son, age 2
Crittenden, Kentucky · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Crittenden, Kentucky
Son, age 12
Crittenden, Kentucky · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Crittenden-County, Kentucky
Head, age 22
Crittenden-County, Kentucky · implied b. ~1918 — 3 household members
| Surname | Davidson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist #4 Union |
| 1935 Residence (County) | Crittenden |
| Occupation | Machinist |
| Industry | Fluor Spar |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 900 |
| 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 Robert Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lacy Davidson (~0.92 confidence) and mother Kate Davidson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lacy Davidson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Kate Davidson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Davidson
Head · 1940 · age 22 · b. ~1918 · Kentucky
★ 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 — Crittenden-County, Kentucky
Open full size
1940 US Federal Census — Crittenden-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01297-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kate Barnes | 65 | Mother-in-law | Farm Owner | Kentucky |
| 2 | Lucian York | 47 | Head | Fluor Spar | Kentucky |
| 3 | Della Maynard York | 42 | Wife | — | Kentucky |
| 4 | Shelby Shelby | 22 | Son | — | Kentucky |
| 5 | Robert Shelby | 19 | Son | — | Kentucky |
| 6 | Charline Shelby | 11 | Daughter | — | Kentucky |
| 7 | Pauline Shelby | 16 | Daughter | — | Kentucky |
| 8 | Lindberg Shelby | 11 | Son | — | Kentucky |
| 9 | Rosalee Shelby | 9 | Daughter | — | Kentucky |
| 10 | Lee Roy Shelby | 4 | Son | — | Kentucky |
| 11 | Nora W. Carter | 70 | Head | Mid-Wife | Kentucky |
| 12 | J. L. Carter | 59 | Husband | Preacher | Alabama |
| 13 | Elza Watkins | 44 | Son | Farm Laborer | Kentucky |
| 14 | Earl Cofield | 40 | Head | Breaking Rock | Kentucky |
| 15 | Pearl Hill Cofield | 37 | Wife | — | Kentucky |
| 16 | Robert Ray Cofield | 18 | Son | — | Kentucky |
| 17 | Earl Jr. Cofield | 16 | Son | — | Kentucky |
| 18 | Mayme Lee Cofield | 14 | Daughter | — | Kentucky |
| 19 | Ural Spencer Cofield | 12 | Son | — | Kentucky |
| 20 | Erma Louise Cofield | 10 | Daughter | — | Kentucky |
| 21 | Gladys Pauline Cofield | 8 | Daughter | — | Kentucky |
| 22 | Liena R. Cofield | 72 | Head | — | Kentucky |
| 23 | Venna Cofield | 35 | Daughter | Rural Teacher | Kentucky |
| 24 | Rob Cofield | 45 | Head | Farm Laborer | Kentucky |
| 25 | Hassie Markey Cofield | 33 | Wife | — | Kentucky |
| 26 | Doris Jean Cofield | 3 | Daughter | — | Kentucky |
| 27 | Bobby Grant Cofield | 1 | Son | — | Kentucky |
| 28 | W. M. Conyer | 58 | Head | Farm Owner | Kentucky |
| 29 | Irene Larue Conyer | 59 | Wife | — | Kentucky |
| 30 | Robert Conyer | 22 | Son | Sawmill Operator | Kentucky |
| 31 | Martha Nell Conyer | 19 | Daughter | — | Kentucky |
| 32 | Adam Dickerson | 46 | Head | Farm Hand | Kentucky |
| 33 | Laramie Quanterhouse Dickerson | 41 | Wife | — | Kentucky |
| 34 | Homer Bebout | 39 | Head | Hoistman | Kentucky |
| 35 | Treva Mikhel Bebout | 38 | Wife | — | Kentucky |
| 36 | Rayford Bebout | 18 | Son | — | Kentucky |
| 37 | Homer Clifton Bebout | 13 | Son | — | Kentucky |
| 38 | Robert Davidson THIS PERSON | 22 | Head | Machinist | Kentucky |
| 39 | Edith Winters Davidson | 19 | Wife | — | Kentucky |
| 40 | Betty Davidson | 3 | Daughter | — | Kentucky |
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
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)