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William Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this William Logan across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Logan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Robert Logan | Son | — | 19 | ~1921 |
| Lizzie Logan | Head | — | 48 | ~1892 |
| Minnie Logan | Daughter | — | 23 | ~1917 |
| William Logan | Son | — | 13 | ~1927 |
| Cornelius Logan | Son | — | 17 | ~1923 |
| Cornelia Logan | Daughter | — | 17 | ~1923 |
| Lottie Logan | Daughter | — | 21 | ~1919 |
| Shirley Logan | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Jefferson, Kentucky
Son, age 3
Jefferson, Kentucky · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 13
Jefferson-County, Kentucky · implied b. ~1927 — 8 household members
| Surname | Logan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 William Logan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Logan
Son · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Robert Logan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Logan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelia Logan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Logan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Logan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lottie Logan
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 — 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-t0627-01376-00931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Knott | 16 | Son | — | Kentucky |
| 42 | Lawrence Knott | 14 | Son | — | Kentucky |
| 43 | Thelma Knott | 13 | Daughter | — | Kentucky |
| 44 | Solomon Bacon | 22 | Lodger | Retort | Tennessee |
| 45 | Lizzie (X) Logan | 48 | Head | Maid | Kentucky |
| 46 | Minnie Logan | 23 | Daughter | Maid | Kentucky |
| 47 | Lottie Logan | 21 | Daughter | Maid | Kentucky |
| 48 | Robert Logan | 19 | Son | Porter | Kentucky |
| 49 | Cornelius Logan | 17 | Son | Gardner | Kentucky |
| 50 | Cornelia Logan | 17 | Daughter | Maid | Kentucky |
| 51 | William Logan THIS PERSON | 13 | Son | — | Kentucky |
| 52 | Shirley Logan | 5 | Daughter | — | Kentucky |
| 53 | Charles (X) German | 55 | Head | Porter | Tennessee |
| 54 | Julia German | 48 | Wife | — | Kentucky |
| 55 | Minnie German | 15 | Daughter | — | Kentucky |
| 56 | Harold German | 14 | Son | — | Kentucky |
| 57 | Christine German | 12 | Daughter | — | Kentucky |
| 58 | George German | 10 | Son | — | Kentucky |
| 59 | Ray German | 8 | Son | — | Kentucky |
| 60 | Theodore German | 6 | Son | — | Kentucky |
| 61 | Roy Mchain | 49 | Head | Porter | Kentucky |
| 62 | Alice (X) Mchain | 48 | Wife | — | Kentucky |
| 63 | Beatrice Gay | 28 | Daughter | Maid | Kentucky |
| 64 | Lottie Cooks | 75 | Mother-in-law | — | Kentucky |
| 65 | Robert (X) Sittel | 35 | Head | Porter | Kentucky |
| 66 | May Sittel | 39 | Wife | — | Kentucky |
| 67 | Harry (X) Harris | 45 | Head | Laborer | North Carolina |
| 68 | Marie (X) Harris | 36 | Wife | Maid | Kentucky |
| 69 | Harold Harris | 10 | Son | — | Kentucky |
| 70 | Marjorie Harris | 9 | Daughter | — | Kentucky |
| 71 | Valda Harris | 7 | Daughter | — | Kentucky |
| 72 | William Harris | 4 | Son | — | Kentucky |
| 73 | Emma Carter | 56 | Mother-in-law | — | Kentucky |
| 74 | Daniel (X) Moss | 25 | Head | Boiler Washer | Kentucky |
| 75 | Zelma Moss | 26 | Wife | — | Kentucky |
| 76 | William Mcelroy | 52 | Head | Engine Wiper | Kentucky |
| 77 | Vida Mcelroy | 45 | Wife | — | Kentucky |
| 78 | Lucile Mcelroy | 19 | Daughter | Maid | Kentucky |
| 79 | Willa Mcelroy | 17 | Daughter | — | Kentucky |
| 80 | Sarah Mcelroy | 15 | Daughter | — | Kentucky |
Related Census Records
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)