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Sarah Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Sarah Black across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Black |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Black | Daughter | — | 13 | ~1927 |
| Morris Black | Son | — | ~1940 | |
| Sarah Snowden | Other | — | 72 | ~1868 |
| Arthur Black | Head | — | 35 | ~1905 |
| Barbara Black | Daughter | — | 3 | ~1937 |
| Lucile Black | Daughter | — | 8 | ~1932 |
| Helen Black | Daughter | — | 11 | ~1929 |
| Elsie Black | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 3
Jefferson, Kentucky · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 13
Jefferson-County, Kentucky · implied b. ~1927 — 8 household members
| Surname | Black |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | 5 |
| 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 Sarah Black across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Black
Daughter · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Barbara Black
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Black
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Black
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Black
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01368-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Sanders | 34 | Head | Car Repairer | Kentucky |
| 2 | Mattie Sanders | 34 | Wife | Milk Weigher | Kentucky |
| 3 | Annie French | 65 | Mother-in-law | — | Kentucky |
| 4 | Frank May | 33 | Head | Service Man | Kentucky |
| 5 | Pauline May | 28 | Wife | — | Kentucky |
| 6 | Lewis May | 8 | Son | — | Kentucky |
| 7 | William E. May | 2 | Son | — | Kentucky |
| 8 | Charles W. Johnston | 61 | Head | Switch Tender | Kentucky |
| 9 | Missie Johnston | 37 | Wife | — | Tennessee |
| 10 | Clara Mae Johnston | 14 | Daughter | — | Kentucky |
| 11 | Elizabeth A. Johnston | 9 | Daughter | — | Kentucky |
| 12 | Frank Levard | 50 | Head | Steel Mechanic | Virginia |
| 13 | Mamie Levard | 37 | Wife | — | Kentucky |
| 14 | Ora Levard | 14 | Son | — | Kentucky |
| 15 | Martha L. Levard | 2 | Daughter | — | Kentucky |
| 16 | Lester R. Clark | 36 | Head | Car Repairer | Kentucky |
| 17 | Emily Clark | 32 | Wife | — | Indiana |
| 18 | Richard Clark | 16 | Son | New Worker | Indiana |
| 19 | Lester Jr. Clark | 14 | Son | — | Indiana |
| 20 | Thomas Clark | 10 | Son | — | Indiana |
| 21 | Mary Frances Clark | 2 | Daughter | — | Kentucky |
| 22 | Betty Jane Clark | 0 | Daughter | — | Kentucky |
| 23 | Leslie Waddell | 38 | Head | Carpenter | Kentucky |
| 24 | Frances Waddell | 24 | Wife | — | Kentucky |
| 25 | Lucile Waddell | 7 | Daughter | — | Kentucky |
| 26 | Eugene Waddell | 5 | Son | — | Kentucky |
| 27 | Shirley Ann Waddell | 0 | Daughter | — | Kentucky |
| 28 | Otis Risinger | 10 | Nephew | — | Kentucky |
| 29 | Arthur Black | 35 | Head | Machinist | Kentucky |
| 30 | Elsie Black | 33 | Wife | — | Kentucky |
| 31 | Sarah Black THIS PERSON | 13 | Daughter | — | Kentucky |
| 32 | Helen Black | 11 | Daughter | — | Kentucky |
| 33 | Lucile Black | 8 | Daughter | — | Kentucky |
| 34 | Barbara Black | 3 | Daughter | — | Kentucky |
| 35 | Morris Black | 0 | Son | — | Kentucky |
| 36 | Sarah Snowden | 72 | Mother-in-law | — | Kentucky |
| 37 | Noah Gentry | 42 | Head | Varnisher | Kentucky |
| 38 | Neva Gentry | 45 | Wife | — | Kentucky |
| 39 | Clovis Gentry | 22 | Daughter | Housework | Kentucky |
| 40 | Roy Gentry | 20 | Ab. Son | Laborer | 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)