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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Sullivan |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | No |
| Industry | No |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Houston |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Head | — | 60 | ~1880 |
| Elnora Taylor | Other | — | 60 | ~1880 |
| Eliza Wilson | Other | — | 73 | ~1867 |
| John Sullivan | Son | — | 24 | ~1916 |
| Edward Sullivan | Son | — | 20 | ~1920 |
| Eddie Sullivan | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Harris, Texas
Son, age 4
Harris, Texas · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Texas |
| Can Read | No |
| Can Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harris, Texas
Son, age 14
Harris, Texas · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harris-County, Texas
Son, age 24
Harris-County, Texas · implied b. ~1916 — 6 household members
| Surname | Sullivan |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Occupation | No |
| Industry | No |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 John Sullivan (~0.92 confidence) and mother Vesta Sullivan (~0.92 confidence) and mother Adelaide Sullivan (~0.92 confidence) and mother Eddie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Vesta Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Adelaide Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Eddie Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Son · 1940 · age 24 · b. ~1916 · Texas
★ You are viewing this record
Sibling
Edward Sullivan
Sibling · 1940 · age 20
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 — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04197-00807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert F. Lewis | 17 | Son | No | Texas |
| 2 | David Raymond Creasey | 27 | Head | Yes | Texas |
| 3 | William Bacon Caldwell | 30 | Boarder | Accountant | Texas |
| 4 | Thomas G. Venton | 30 | Boarder | Attorney | Texas |
| 5 | Burgess Pool | 32 | Boarder | Bookkeeper | Texas |
| 6 | Hine | None | — | — | — |
| 7 | Robert Irwin Kahn | 29 | Head | Yes | Iowa |
| 8 | Gertrude Block | 60 | Head | Rabbi | Lithuania |
| 9 | David Block | 25 | Son | — | Texas |
| 10 | Almon C. Dobbs | 27 | Head | Salesman | Texas |
| 11 | Margaret P. Dobbs | 27 | Wife | Salesman | Texas |
| 12 | Jo Anne Dobbs | 1 | Daughter | — | Texas |
| 13 | Dorothy C. Rice | 54 | Mother | No | Texas |
| 14 | Arthur V. Rice | 58 | Step father | Yes | Illinois |
| 15 | — | None | — | — | — |
| 16 | James Vienbent | 23 | Head | — | Texas |
| 17 | Essie Lee Vienbent | 23 | Wife | Janitor | Texas |
| 18 | Stella Shepherd | 42 | Head | Cook | Texas |
| 19 | Charles E. Jr. Shepherd | 14 | Son | No | Texas |
| 20 | Julia Verneuil | 74 | Mother | No | Mississippi |
| 21 | Valda A. Wood | 36 | Boarder | No | Texas |
| 22 | Ruby Elizabeth Brown | 29 | Boarder | Teacher | Mississippi |
| 23 | Gayle Aline Taylor | 35 | Boarder | Teacher | Texas |
| 24 | Leslie B. Jr. Willis | 19 | Boarder | Secretary | Texas |
| 25 | John S. Kelly | 37 | Boarder | — | Pennsylvania |
| 26 | Bennett Patterson | 40 | Boarder | Draftsman | Arkansas |
| 27 | Daisy B. Jacques | 32 | Boarder | Lawyer | Mississippi |
| 28 | Grace T. Grissom | 36 | Boarder | No | Texas |
| 29 | Janice Marilyn Rohatsch | 14 | Boarder | Stenographer | Texas |
| 30 | Putnam K. Barstow | 50 | Boarder | — | Rhode Island |
| 31 | Hattie Bradney | 56 | Head | Free Lance Writer | Louisiana |
| 32 | Daisy Taylor | 75 | Lodger | Cook | Texas |
| 33 | John F. Sullivan | 60 | Head | No | Ohio |
| 34 | Eddie A. Sullivan | 55 | Wife | Passenger Agent | Texas |
| 35 | John F. Jr. Sullivan THIS PERSON | 24 | Son | No | Texas |
| 36 | Edward A. Sullivan | 20 | Son | Musician | Texas |
| 37 | Eliza G. Wilson | 73 | Maid | Musician | Louisiana |
| 38 | Elnora Taylor | 60 | Servant | Cook | Texas |
| 39 | Mamie Powell | 34 | Head | Cook | Texas |
| 40 | Dorothy May Johnson | 3 | Daughter | Cook | Texas |
Pedigree Summary
John + 1 sibling
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)