HS
Helen Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Helen Sullivan across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Maurice — first a daughter (b.~1903), then head of a 8-person household.
Age 27
b. ~1903
Female
Daughter
Born: Pennsylvania
Divorced
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Divorced |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Duquesne City |
| Est. Birth Year | ~1903 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Bernice Bahm | Daughter | — | 20 | ~1910 |
| Beatrice Bahm | Daughter | — | 13 | ~1917 |
| Helen Sullivan | Daughter | — | 27 | ~1903 |
| Martin Bahm | Head | — | 51 | ~1879 |
| Enid Sullivan | Other | — | 6 | ~1924 |
| Howard Sullivan | Other | — | 8 | ~1922 |
| Clifford Bahm | Son | — | 23 | ~1907 |
| Lizzie Bahm | Spouse | — | 50 | ~1880 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Helen G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 27
Allegheny, Pennsylvania · implied b. ~1903 — 8 household members
| Surname | Sullivan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Divorced |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| 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 Helen Sullivan across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Thomas Sullivan (~0.92 confidence) and father Maurice Sullivan (~0.92 confidence) and mother Ida Sullivan (~0.92 confidence) and mother Ida Sullivan (~0.92 confidence) and father Martin Bahm (~0.92 confidence) and mother Lizzie Bahm (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Maurice Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Ida Sullivan
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ida Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Martin Bahm
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lizzie Bahm
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Sullivan
Daughter · 1930 · age 27 · b. ~1903 · Pennsylvania
★ You are viewing this record
Sibling
Bernice Bahm
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Bahm
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Bahm
Sibling · 1930 · age 13
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1963:0222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Denny | 17 | Son | — | Pennsylvania |
| 2 | Robert W. Cheeseman | 36 | Head | Bottom Maker | England |
| 3 | Lila Cheeseman | 36 | Wife | — | England |
| 4 | R. Robert W. Cheeseman | 9 | Son | — | England |
| 5 | Bessie Cheeseman | 8 | Daughter | — | England |
| 6 | Martin Bahm | 51 | Head | Carpenter | Pennsylvania |
| 7 | Lizzie Bahm | 50 | Wife | — | Pennsylvania |
| 8 | Clifford Bahm | 23 | Son | Carpenter | Pennsylvania |
| 9 | Bernice Bahm | 20 | Daughter | — | Pennsylvania |
| 10 | Beatrice Bahm | 13 | Daughter | — | Pennsylvania |
| 11 | Helen Sullivan THIS PERSON | 27 | Daughter | — | Pennsylvania |
| 12 | Howard Sullivan | 8 | Grandson | — | Pennsylvania |
| 13 | Enid Sullivan | 6 | Granddaughter | — | Pennsylvania |
| 14 | Bertha Bahm | 49 | Head | — | Pennsylvania |
| 15 | Carrie Bahm | 38 | Sister | — | Pennsylvania |
| 16 | Ernest Roeber | 33 | Head | Laborer | Pennsylvania |
| 17 | Helen Roeber | 25 | Wife | — | Pennsylvania |
| 18 | Robert Cheeseman | 71 | Head | — | England |
| 19 | Charlotte Cheeseman | 68 | Wife | — | England |
| 20 | Avril Cheeseman | 22 | Son | Weighmaster | England |
| 21 | Charles Dietrich | 70 | Head | — | Germany |
| 22 | Rhyna Dietrich | 58 | Wife | — | Germany |
| 23 | William Bartels | 53 | Brother-in-law | Laborer | Germany |
| 24 | William Shick | 59 | Head | Foreman | Pennsylvania |
| 25 | Mary Shick | 16 | Daughter | — | Pennsylvania |
| 26 | Marion Muss | 32 | Daughter | Housekeeper | Pennsylvania |
| 27 | Linwood Muss | 12 | Son | — | Pennsylvania |
| 28 | Marguerite Muss | 10 | Daughter | — | Pennsylvania |
| 29 | Edward Aedin | 44 | Head | Proprietor | Pennsylvania |
| 30 | Sue Aedin | 38 | Wife | — | Pennsylvania |
| 31 | Jr. Edward Aedin | 14 | Son | — | Pennsylvania |
| 32 | Arnold Aedin | 13 | Son | — | Pennsylvania |
| 33 | Harold Aedin | 6 | Son | — | Pennsylvania |
| 34 | Alice Aedin | 4 | Son | — | Pennsylvania |
| 35 | Irene Aedin | 1 | Son | — | Pennsylvania |
| 36 | Andrew Sen | 57 | Head | Boiler-Tender | Hungary |
| 37 | Matilda Sen | 56 | Wife | — | Hungary |
| 38 | Margaret Sen | 20 | Daughter | Laborer | Pennsylvania |
| 39 | William Sen | 6 | Grandson | — | Pennsylvania |
| 40 | Matilda Manna | 22 | Wife-H un | — | Pennsylvania |
| 41 | Cecil Manna | 22 | Head | Maker | Pennsylvania |
| 42 | Jacob Barsky | 39 | Head | Proprietor | Russia |
| 43 | Rose Barsky | 34 | Wife | — | Germany |
| 44 | Julius Barsky | 15 | Son | — | Pennsylvania |
| 45 | Sharna Barsky | 13 | Daughter | — | Pennsylvania |
| 46 | Ethel Barsky | 11 | Daughter | — | Pennsylvania |
| 47 | Lillian Barsky | 9 | Daughter | — | Pennsylvania |
| 48 | Albert Barsky | 7 | Son | — | Pennsylvania |
| 49 | Thomas E. Conroy | 31 | Head | Recorder | Irish Free State |
| 50 | Kathryn Conroy | 28 | Wife | — | Scotland |
Pedigree Summary
Helen + 3 siblings
Gen 1 · 6 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)