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Joseph Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, Pennsylvania
Our Model Tree links this Joseph Sullivan across the 1920, 1930 and 1940 US Censuses in Erie-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, Pennsylvania |
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 454 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Erie City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Head | — | 54 | ~1886 |
| Joseph Sullivan | Son | — | 21 | ~1919 |
| Paul Sullivan | Son | — | 16 | ~1924 |
| James Sullivan | Son | — | 20 | ~1920 |
| Marie Sullivan | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Erie, Pennsylvania
Son, age 1
Erie, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Erie, Pennsylvania
Son, age 11
Erie, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | student |
| Industry | school |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, Pennsylvania
Son, age 21
Erie-County, Pennsylvania · implied b. ~1919 — 5 household members
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie city |
| 1935 Residence (County) | Erie |
| Occupation | Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 454 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph 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 mother Mary Sullivan (~0.92 confidence) and father Joseph Sullivan (~0.92 confidence) and mother Marie Sullivan (~0.92 confidence) and mother Bessie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Joseph Sullivan
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Marie Sullivan
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Bessie Sullivan
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Sullivan
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
James Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Sullivan
Sibling · 1940 · age 16
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 — Erie-County, Pennsylvania
Open full size
1940 US Federal Census — Erie-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03648-00073)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorthea Stewart | 33 | Wife | — | Pennsylvania |
| 2 | James Stewart | 2 | Son | — | Pennsylvania |
| 3 | Irwin Krueger | 40 | Head | Physician | Pennsylvania |
| 4 | Elizabeth Krueger | 70 | Mother | — | Pennsylvania |
| 6 | Elizabeth Gwynnell | 46 | Head | — | Pennsylvania |
| 7 | Adda Acker | 50 | Lodger | Steno | Pennsylvania |
| 8 | Anna Coates | 70 | Head | — | Pennsylvania |
| 9 | Martin Crouch | 38 | Head | Clerk | Pennsylvania |
| 10 | Louise Crouch | 32 | Wife | — | Ohio |
| 11 | John Crouch | 3 | Son | — | Pennsylvania |
| 12 | Alexander Stevens | 62 | Head | Salesman | Ohio |
| 13 | Emma Stevens | 60 | Wife | — | West Virginia |
| 14 | Ashley Stevens | 37 | Son | Machinist | Ohio |
| 15 | John F. Sullivan | 54 | Head | Foreman | Pennsylvania |
| 16 | Marie Sullivan | 46 | Wife | — | Pennsylvania |
| 17 | Joseph Sullivan THIS PERSON | 21 | Son | Machinist | Pennsylvania |
| 18 | James Sullivan | 20 | Son | Elevator Starter | Pennsylvania |
| 19 | Paul Sullivan | 16 | Son | — | Pennsylvania |
| 20 | Sidney Michael | 34 | Head | Veterinary | Pennsylvania |
| 21 | Rebecca Michael | 30 | Wife | — | Maryland |
| 22 | Elaine Michael | 4 | Daughter | — | Pennsylvania |
| 23 | Mary Leslie | 23 | Servant | Servant | Pennsylvania |
| 24 | Harry Gelman | 11 | Refugee | — | Germany |
| 25 | Charles Stein | 60 | Head | Tailor | Pennsylvania |
| 26 | Ida Stein | 58 | Wife | — | Pennsylvania |
| 27 | William Stein | 28 | Son | Accountant | Pennsylvania |
| 28 | Robert Stein | 21 | Son | Instructor | Pennsylvania |
| 29 | Anna Hirt | 65 | Sister-in-law | — | Pennsylvania |
| 30 | Arthur Schall | 57 | Head | Accountant | Pennsylvania |
| 31 | Maude Schall | 54 | Wife | — | Pennsylvania |
| 32 | Donald Schall | 30 | Son | Designer | Pennsylvania |
| 33 | Jennie Buelens | 62 | Head | French Inst. | France |
| 34 | Harold Hedges | 48 | Head | Customs Broker | New York |
| 35 | Alliene Hedges | 47 | Wife | — | New York |
| 36 | Leslie J. Hedges | 81 | Father | — | New York |
| 37 | Carrie Weber | 55 | Head | — | New York |
| 38 | Alexander Cameron | 55 | Head | Physician | Eng. Canada |
| 39 | Helen Cameron | 38 | Wife | Secretary | Pennsylvania |
| 40 | Ethel Gordon | 48 | Head | Teacher | Michigan |
Pedigree Summary
Joseph + 2 siblings
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)