DS
Daniel Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Daniel Sullivan across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Isabella — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Grace Sullivan | Daughter | — | 18 | ~1912 |
| John Sullivan | Head | — | 51 | ~1879 |
| Daniel Sullivan | Son | — | 23 | ~1907 |
| Francis Sullivan | Son | — | 21 | ~1909 |
| Isabella Sullivan | Spouse | — | 45 | ~1885 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 23
Allegheny, Pennsylvania · implied b. ~1907 — 5 household members
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 33
Allegheny-County, Pennsylvania · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | David S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Shipper |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 226 |
| Highest Grade | H 4 |
| 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 Daniel 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 Isabella Sullivan (~0.92 confidence) and mother Isabella Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Isabella Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Isabella Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Grace Sullivan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1930 · age 21
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
49 people indexed on this census page (ia:1930:fifteenthcensus00reel1987:1042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hugh Murray | 40 | Head | Laborer | Pennsylvania |
| 2 | Antoinette Murray | 42 | Wife | — | Pennsylvania |
| 3 | Anna M. Murray | 14 | Daughter | — | Pennsylvania |
| 4 | Anna Brumenader | 76 | Mother-in-law | — | Pennsylvania |
| 5 | Cecilia A. Koontz | 58 | Head | Saleslady | Pennsylvania |
| 6 | Marie Koontz | 32 | Daughter | Clerk | Pennsylvania |
| 7 | John C. Mcclintock | 46 | Lodger | Engineer | Pennsylvania |
| 8 | John Bayelshay | 29 | Lodger | Foreman | Pennsylvania |
| 9 | John Schmidt | 59 | Head | — | Pennsylvania |
| 10 | Marie A. Schmidt | 33 | Daughter | Saleslady | Pennsylvania |
| 11 | Gertrude M. Schmidt | 29 | Daughter | Clerk | Pennsylvania |
| 12 | Louise E. Schmidt | 23 | Daughter | Clerk | Pennsylvania |
| 13 | Christian Ritz | 69 | Head | Contractor | Pennsylvania |
| 14 | Theresa Ritz | 68 | Wife | — | Germany |
| 15 | Marie Ritz | 33 | Daughter | Operator | Pennsylvania |
| 16 | Frances Ritz | 31 | Daughter | Typist | Pennsylvania |
| 17 | Aloysius Ritz | 28 | Son | Clerk | Pennsylvania |
| 18 | Catherine Ritz | 23 | Daughter | Saleslady | Pennsylvania |
| 19 | Lena Haleck | 57 | Head | — | Pennsylvania |
| 20 | Mary Haleck | 26 | Daughter | — | Pennsylvania |
| 21 | John Haleck | 24 | Son | Clerk | Pennsylvania |
| 22 | Aloysius Haleck | 20 | Son | Packer | Pennsylvania |
| 23 | Peter M. Reinstettler | 47 | Head | Laborer | Pennsylvania |
| 24 | Alma Reinstettler | 42 | Wife | — | Pennsylvania |
| 25 | Margaret Reinstettler | 18 | Daughter | Clerk | Pennsylvania |
| 26 | Elmer Reinstettler | 15 | Son | — | Pennsylvania |
| 27 | John Sullivan | 51 | Head | Clerk | Wales |
| 28 | Isabella Sullivan | 45 | Wife | — | Pennsylvania |
| 29 | Daniel Sullivan THIS PERSON | 23 | Son | Laborer | Pennsylvania |
| 30 | Francis Sullivan | 21 | Son | Waiter | Pennsylvania |
| 31 | Grace Sullivan | 18 | Daughter | — | Pennsylvania |
| 32 | Peter Miller | 52 | Head | Engineer | Pennsylvania |
| 33 | Barbara Miller | 52 | Wife | — | Austria |
| 34 | Catherine Miller | 21 | Daughter | Clerk | Pennsylvania |
| 35 | Howard Miller | 19 | Son | Laborer | Pennsylvania |
| 36 | Charles Miller | 17 | Son | — | Pennsylvania |
| 37 | Rita Miller | 12 | Daughter | — | Pennsylvania |
| 38 | Rose M. Miller | 8 | Daughter | — | Pennsylvania |
| 39 | Walter Przybyłek | 30 | Head | Pol. Maker | Pennsylvania |
| 40 | Marie Przybyłek | 23 | Wife | — | Pennsylvania |
| 41 | Donald Przybyłek | 1 | Son | — | Pennsylvania |
| 42 | Louisa Miller | 65 | Head | — | Ohio |
| 43 | Anna Miller | 41 | Daughter | Seamstress | Pennsylvania |
| 44 | Helen Miller | 30 | Daughter | Clerk | Pennsylvania |
| 45 | Margaret Miller | 24 | Daughter | Clerk | Pennsylvania |
| 46 | Mary Miller | 67 | Head | — | Pennsylvania |
| 47 | William Miller | 36 | Head | Laborer | Pennsylvania |
| 48 | Magdalena Miller | 30 | Wife | — | Pennsylvania |
| 49 | William Jr. Miller | 12 | Son | — | Pennsylvania |
Pedigree Summary
Daniel + 2 siblings
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 1930 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)