ES
Eugene Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Eugene Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Vaughn & Eugene — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Sullivan |
| Given Name | Eugene |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Janitor |
| Industry | Apt. house |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 184 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Janitor |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Shirley Sullivan | Son | — | 2 | ~1938 |
| Theodore Sullivan | Son | — | 5 | ~1935 |
| Eugene Sullivan | Head | — | 31 | ~1909 |
| Esther Sullivan | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Jefferson, Kentucky
Son, age
Jefferson, Kentucky · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Eugene A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 9
Jefferson, Kentucky · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 |
1930
Jefferson, Kentucky
Son, age 20
Jefferson, Kentucky · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Eugene A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Mechanic helper |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 31
Jefferson-County, Kentucky · implied b. ~1909 — 4 household members
| Surname | Sullivan |
| Given Name | Eugene |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Occupation | Janitor |
| Industry | Apt. house |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 184 |
| Highest Grade | No 7 |
| 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 Eugene Sullivan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Vaughn Sullivan (~0.92 confidence) and father Eugene Sullivan (~0.92 confidence) and father Eugene Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Vaughn Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Eugene Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Eugene Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Sullivan
Head · 1940 · age 31 · b. ~1909 · 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 — 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-t0627-01369-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Hadley | 24 | Daughter-in-law | — | Tennessee |
| 2 | Marion Brown | 62 | Head | — | Kentucky |
| 3 | Jannie Brown | 60 | Wife | — | Tennessee |
| 4 | Luella Burbedge | 37 | Head | Waitress | Kentucky |
| 5 | Blue Burbedge | 10 | Nephew | — | Kentucky |
| 6 | Kyle Radican | 37 | Head | Porter | Kentucky |
| 7 | Sanders Blondina | 30 | Head | — | Kentucky |
| 8 | Ella Williams | 36 | Head | — | Kentucky |
| 9 | Sterling Banks | 39 | Head | Laborer | Pennsylvania |
| 10 | Ella Brock | 30 | Lodger | — | Kentucky |
| 11 | Chester Wright | 38 | Head | Porter | Kentucky |
| 12 | Trulla Brown | 26 | Lodger | — | Alabama |
| 13 | Jesse Cherry | 24 | Head | Laborer | Tennessee |
| 14 | Addie Mae Cherry | 29 | Wife | — | Georgia |
| 15 | Chas. Redd | 28 | Head | Truck Driver | Tennessee |
| 16 | Aria B. Redd | 26 | Wife | Maid | Tennessee |
| 17 | Charles Taylor | 38 | Head | Janitor | Kentucky |
| 18 | Elizabeth Taylor | 38 | Wife | — | Kentucky |
| 19 | John Martin | 65 | Head | — | Tennessee |
| 20 | James Watkins | 54 | Head | — | Kentucky |
| 21 | Sarah Harding | 34 | Head | — | Missouri |
| 22 | Mary Crosby | 62 | Lodger | Laundress | Kentucky |
| 23 | Velma Crittenton | 12 | Lodger | — | Kentucky |
| 24 | Annie Williams | 56 | Lodger | Porter | Kentucky |
| 25 | Henry Jones | 69 | Head | — | Kentucky |
| 26 | Lillie Jones | 49 | Wife | — | Kentucky |
| 27 | Eugene Sullivan THIS PERSON | 31 | Head | Janitor | Kentucky |
| 28 | Esther Sullivan | 28 | Wife | — | Kentucky |
| 29 | Theodore Sullivan | 5 | Son | — | Kentucky |
| 30 | Shirley Lee Sullivan | 2 | Son | — | Kentucky |
| 31 | Jack Hamblen | 52 | Head | Laborer | Kentucky |
| 32 | Nannie White | 42 | Lodger | — | Kentucky |
| 33 | George L. Smith | 62 | Head | Laborer | Kentucky |
| 34 | Julius O'Neil | 33 | Head | Laborer | Kentucky |
| 35 | Alene O'Neil | 28 | Sister | Nurse | Kentucky |
| 36 | Ella Thorntons | 47 | Head | Laundress | Kentucky |
| 37 | Annie Ashley | 39 | Niece | Laundress | Kentucky |
| 38 | Harry Gordick | 50 | Head | Laborer | Tennessee |
| 39 | Burt Pierce | 52 | Head | — | Georgia |
| 40 | John Hillis | 28 | Head | Truck Driver | Kentucky |
Related Census Records
Pedigree Summary
Eugene
Gen 1 · 5 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)