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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leslie-County, Kentucky
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Leslie-County, Kentucky (XGBoost, ~Confirmed), with identified parents Solomon & Solomon — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Leslie-County, Kentucky |
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Leslie |
| 1935 Residence (County) | Leslie |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 86 |
| Income (1939) | 108 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Head | — | 31 | ~1909 |
| Lloyd Sullivan | Son | — | 1 | ~1939 |
| Johnny Sullivan | Son | — | 6 | ~1934 |
| Earnest Sullivan | Son | — | 8 | ~1932 |
| Arvil Sullivan | Son | — | 5 | ~1935 |
| Chester Sullivan | Son | — | 4 | ~1936 |
| Delia Sullivan | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Leslie, Kentucky
Son, age 11
Leslie, Kentucky · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Leslie, Kentucky
Son, age 21
Leslie, Kentucky · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sulivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm Laborer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Leslie-County, Kentucky
Head, age 31
Leslie-County, Kentucky · implied b. ~1909 — 7 household members
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Leslie |
| 1935 Residence (County) | Leslie |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 86 |
| Income (1939) | 108 |
| Highest Grade | No 3 |
| 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 John Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Solomon Sulivan (~0.92 confidence) and father Solomon Sullivan (~0.92 confidence) and mother Paralee Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Solomon Sulivan
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Solomon Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Paralee Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John 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 — Leslie-County, Kentucky
Open full size
1940 US Federal Census — Leslie-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01329-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dexter Cochran | 25 | Son | Laborer | Kentucky |
| 42 | Basil D Wilson | 67 | Head | Laborer | Kentucky |
| 43 | Charley Wilson | 23 | Son | Laborer | Kentucky |
| 44 | Verna Wilson | 14 | Daughter | — | Kentucky |
| 45 | Lloyd A Wilson | 30 | Head | Laborer | Kentucky |
| 46 | Eva Wilson | 27 | Wife | — | Kentucky |
| 47 | Georgia Wilson | 9 | Daughter | — | Kentucky |
| 48 | Filman D Wilson | 23 | Head | Laborer | Kentucky |
| 49 | Mollie Wilson | 25 | Wife | — | Kentucky |
| 50 | Basil Wilson | 9 | Son | — | Kentucky |
| 51 | Rubie Wilson | 7 | Daughter | — | Kentucky |
| 52 | Janice Wilson | 6 | Daughter | — | Kentucky |
| 53 | Frank Wilson | 5 | Son | — | Kentucky |
| 54 | Harold Dean Wilson | 4 | Son | — | Kentucky |
| 55 | James Reed Wilson | 2 | Son | — | Kentucky |
| 56 | Arch Day Brock | 40 | Head | Laborer | Kentucky |
| 57 | Della Brock | 30 | Wife | — | Kentucky |
| 58 | Elda Brock | 7 | Daughter | — | Kentucky |
| 59 | Earl Brock | 4 | Son | — | Kentucky |
| 60 | Alifair Brock | 1 | Daughter | — | Kentucky |
| 61 | Tom Nantz | 25 | Head | Laborer | Kentucky |
| 62 | Olivia Nantz | 20 | Wife | — | Kentucky |
| 63 | Lada Nantz | 2 | Daughter | — | Kentucky |
| 64 | Nannie Nantz | 1 | Daughter | — | Kentucky |
| 65 | Arthur Hall | 33 | Head | Laborer | Kentucky |
| 66 | May Hall | 29 | Wife | — | Kentucky |
| 67 | Bill Hall | 10 | Son | Laborer | Kentucky |
| 68 | Margaret Hall | 8 | Daughter | — | Kentucky |
| 69 | Henry Hall | 7 | Son | — | Kentucky |
| 70 | Alford Hall | 5 | Son | — | Kentucky |
| 71 | Junior Hall | 3 | Son | — | Kentucky |
| 72 | Ellen Hall | 1 | Daughter | — | Kentucky |
| 73 | John Sullivan THIS PERSON | 31 | Head | Laborer | Kentucky |
| 74 | Delia Sullivan | 30 | Wife | — | Kentucky |
| 75 | Earnest Sullivan | 8 | Son | — | Kentucky |
| 76 | Johnny J Sullivan | 6 | Son | — | Kentucky |
| 77 | Arvil Sullivan | 5 | Son | — | Kentucky |
| 78 | Chester Ray Sullivan | 4 | Son | — | Kentucky |
| 79 | Lloyd Manuel Sullivan | 1 | Son | — | Kentucky |
| 80 | Dewey Nantz | 32 | Head | Laborer | Kentucky |
Pedigree Summary
John
Gen 1 · 3 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)