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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chatham-County, Georgia
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Chatham-County, Georgia (XGBoost, ~Confirmed), with identified parents John & Jerome — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chatham-County, Georgia |
| Surname | Sullivan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Savannah City |
| 1935 Residence (County) | Chatham |
| Additional Details | |
| Occupation | Receiving Clerk |
| Industry | Steam Ship Co |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 150 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Receiving Clerk |
| Township / Ward | Savannah City |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jerome Sullivan | Head | — | 53 | ~1887 |
| John Sullivan | Son | — | 24 | ~1916 |
| Mary Sullivan | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Chatham, Georgia
Son, age 3
Chatham, Georgia · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Chatham, Georgia
Son, age 13
Chatham, Georgia · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Chatham-County, Georgia
Son, age 24
Chatham-County, Georgia · implied b. ~1916 — 3 household members
| Surname | Sullivan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Savannah City |
| 1935 Residence (County) | Chatham |
| Occupation | Receiving Clerk |
| Industry | Steam Ship Co |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 150 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 John Sullivan (~0.92 confidence) and father Jerome Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Georgia Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Jerome Sullivan
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Georgia Sullivan
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Son · 1940 · age 24 · b. ~1916 · Georgia
★ 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 — Chatham-County, Georgia
Open full size
1940 US Federal Census — Chatham-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00652-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allen J Evans | 43 | Head | Assistant Manager | Georgia |
| 2 | Louise J Evans | 29 | Wife | Beauty Operator | Georgia |
| 3 | Norma Boyles | 13 | Niece | — | Georgia |
| 4 | Ola M Harvey | 24 | Lodger | Cashier | Georgia |
| 5 | John D Stafford | 48 | Head | Record Clerk | Georgia |
| 6 | Laura E Stafford | 53 | Wife | — | Georgia |
| 7 | Esther J Stafford | 27 | Daughter | Saleslady | Georgia |
| 8 | Samuel J Mcewan | 35 | Head | Salesman | Minnesota |
| 9 | Myrtle Mcewan | 31 | Wife | — | Georgia |
| 10 | Samuel J Jr Mcewan | 8 | Son | — | Georgia |
| 11 | Shirley V Mcewan | 5 | Daughter | — | Georgia |
| 12 | Chester A Sumans | 44 | Head | Ticket Agent | Georgia |
| 13 | Leonia M Sumans | 45 | Wife | — | Georgia |
| 14 | William A Sumans | 9 | Son | — | Georgia |
| 15 | — | None | — | — | — |
| 16 | Lewis M Fripp | 52 | Head | Expressman | S Carolina |
| 17 | Ruby Fripp | 39 | Wife | — | Georgia |
| 18 | Lewis M Jr Fripp | 18 | Son | — | Georgia |
| 19 | Ruby Fripp | 17 | Daughter | — | Georgia |
| 20 | Lelana V Duke | 32 | Head | Magazine Agent | Mississippi |
| 21 | Anne L Duke | 36 | Wife | Stenographer | Kentucky |
| 22 | Leonilla L Duke | 5 | Daughter | — | Florida |
| 23 | John V Duke | 1 | Son | — | Georgia |
| 24 | Maurice H Pender | 32 | Head | Auditor | Georgia |
| 25 | Marguerite H Pender | 32 | Wife | — | Georgia |
| 26 | Jack H Pender | 7 | Son | — | Georgia |
| 27 | Travis Harvey | 30 | Head | Lineman | Georgia |
| 28 | Ruby W G Harvey | 26 | Wife | — | Georgia |
| 29 | Eugene L Murphy | 41 | Head | Asst Auditor | S Carolina |
| 30 | Mary Cade Murphy | 35 | Wife | — | S Carolina |
| 31 | Cade Murphy | 16 | Son | — | S Carolina |
| 32 | J Benny Murphy | 12 | Son | — | S Carolina |
| 33 | Carlton S Elton | 27 | Head | Salesman | S Carolina |
| 34 | Georgia P Elton | 25 | Wife | — | Georgia |
| 35 | Carlton S Elton | 1 | Son | — | Georgia |
| 36 | Clarence A Asbill | 59 | Boarder | Proprietor | S Carolina |
| 37 | Mary E Morris | 30 | Sister | Stenographer | S Carolina |
| 38 | Jerome L Sullivan | 53 | Head | Secretary | Georgia |
| 39 | Mary F Sullivan | 48 | Wife | — | Georgia |
| 40 | John J Sullivan THIS PERSON | 24 | Son | Receiving Clerk | Georgia |
Pedigree Summary
John
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)