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Robert Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Breckinridge-County, Kentucky
Our Model Tree links this Robert Lucas across the 1930 and 1940 US Censuses in Breckinridge-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Breckinridge-County, Kentucky |
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. No. 5 |
| 1935 Residence (County) | Breckinridge |
| Additional Details | |
| Occupation | Labor |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Labor |
| Township / Ward | Mag Dist No 5 |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Minnie Lucas | Spouse | — | 45 | ~1895 |
| Ruby Lucas | Daughter | — | 15 | ~1925 |
| Carlene Lucas | Daughter | — | 10 | ~1930 |
| Wilbur Lucas | Head | — | 52 | ~1888 |
| Estil Lucas | Daughter | — | 21 | ~1919 |
| David Lucas | Son | — | 12 | ~1928 |
| Robert Lucas | Son | — | 18 | ~1922 |
Census Appearances
1930
Breckinridge, Kentucky
Son, age 8
Breckinridge, Kentucky · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Breckinridge-County, Kentucky
Son, age 18
Breckinridge-County, Kentucky · implied b. ~1922 — 7 household members
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. No. 5 |
| 1935 Residence (County) | Breckinridge |
| Occupation | Labor |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lucas
Son · 1940 · age 18 · b. ~1922 · Kentucky
★ You are viewing this record
Sibling
Ruby Lucas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carlene Lucas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lucas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estil Lucas
Sibling · 1940 · age 21
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 — Breckinridge-County, Kentucky
Open full size
1940 US Federal Census — Breckinridge-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01286-00409)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lurland Fentress | 15 | Son | — | Kentucky |
| 42 | George Butler | 25 | Head | Farmer | Kentucky |
| 43 | Lena Butler | 20 | Wife | — | Kentucky |
| 44 | Ramona F. Butler | 3 | Daughter | — | Kentucky |
| 45 | Winnie C. Butler | 2 | Daughter | — | Kentucky |
| 46 | Bellie Lou Butler | 1 | Daughter | — | Kentucky |
| 47 | Forrest Butler | 59 | Head | Farmer | Kentucky |
| 48 | Lida Butler | 64 | Wife | — | Kentucky |
| 49 | Lane Bennett | 50 | Head | Farmer | Kentucky |
| 50 | Sara Bennett | 40 | Wife | — | Kentucky |
| 51 | Hubert Smith | 30 | Head | Farmer | Kentucky |
| 52 | Edith Smith | 27 | Wife | — | Kentucky |
| 53 | Shirley Smith | 7 | Daughter | — | Kentucky |
| 54 | Kelley Lucas | 23 | Head | Farmer | Kentucky |
| 55 | Lena Pearl Lucas | 19 | Wife | — | Kentucky |
| 56 | Clinton S. Lucas | 3 | Son | — | Kentucky |
| 57 | Charles M. Lucas | 1 | Son | — | Kentucky |
| 58 | Ludie|Ludie G. Howard | 56 | Head | Farmer | Kentucky |
| 59 | Albert Howard | 28 | Son | Labor | Kentucky |
| 60 | Edna M. Howard | 26 | Daughter | — | Kentucky |
| 61 | Percy Lee Howard | 9 | Grandson | — | Kentucky |
| 62 | Carl Edward Howard | 8 | Grandson | — | Kentucky |
| 63 | Avery Floyd Howard | 8 | Grandson | — | Kentucky |
| 64 | Daniel J. Liggins | 79 | Head | Farmer | Kentucky |
| 65 | Mary Liggins | 49 | Wife | — | Kentucky |
| 66 | Raymond Scott | 29 | Head | Farmer | Kentucky |
| 67 | Witula Scott | 23 | Wife | — | Kentucky |
| 68 | Iris J. Scott | 8 | Daughter | — | Kentucky |
| 69 | George W. Scott | 6 | Son | — | Kentucky |
| 70 | Janice Scott | 1 | Daughter | — | Kentucky |
| 71 | Arthur Faults | 36 | Head | Farmer | Kentucky |
| 72 | Grace Faults | 39 | Wife | — | Kentucky |
| 73 | Audrey Sebastian | 19 | Lodger | Labor | Kentucky |
| 74 | Wilbur Lucas | 52 | Head | Farmer | Kentucky |
| 75 | Minnie Lucas | 45 | Wife | — | Kentucky |
| 76 | Estil Lucas | 21 | Daughter | — | Kentucky |
| 77 | Robert Lucas THIS PERSON | 18 | Son | Labor | Kentucky |
| 78 | Ruby Lucas | 15 | Daughter | — | Kentucky |
| 79 | David Lucas | 12 | Son | — | Kentucky |
| 80 | Carlene Lucas | 10 | Daughter | — | 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)