CS
Catherine Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Catherine Sullivan across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Timothy & Mary — first a daughter (b.~1894), then head of a 6-person household.
Age 26
b. ~1894
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1894 |
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 1920 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| Catherine Sullivan | Daughter | — | 26 | ~1894 |
| Timothy Sullivan | Head | — | 75 | ~1845 |
| Francis Sullivan | Son | — | 28 | ~1892 |
| John Sullivan | Son | — | 43 | ~1877 |
| George Sullivan | Son | — | 33 | ~1887 |
| Mary Sullivan | Spouse | — | 65 | ~1855 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Catharine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Aug |
| Birth Year | 1894 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saleslady |
| Industry | Department Store |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 26
Allegheny, Pennsylvania · implied b. ~1894 — 6 household members
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Catherine Sullivan across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Timothy Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Jennie Sullivan (~0.92 confidence) and father Michael Sullivan (~0.92 confidence) and mother Julia Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Timothy Sullivan
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1855
Source mother
● Household
· direct · ~0.92
Mother
Jennie Sullivan
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
Michael Sullivan
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Julia Sullivan
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1869
Source father
● Household
· direct · ~0.92
This person
Anchor record
Catherine Sullivan
Daughter · 1920 · age 26 · b. ~1894 · Pennsylvania
★ You are viewing this record
Sibling
George Sullivan
Sibling · 1920 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1920 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1920 · age 28
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
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1518unit:0597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Buckets | 11 | Son | — | Pennsylvania |
| 2 | Alfred Buckets | 7 | Son | — | Pennsylvania |
| 3 | Hazel Buckets | 17 | Step dau | — | Pennsylvania |
| 4 | Ernest Lantz | 15 | Step son | — | Pennsylvania |
| 5 | Vince Lantz | 14 | Step son | — | Pennsylvania |
| 6 | Walter Lantz | 12 | Step son | — | Pennsylvania |
| 7 | Mathilda Lantz | 6 | Step daughter | — | Pennsylvania |
| 8 | Anna M Buchanan | 56 | Head | Laundress | Pennsylvania |
| 9 | Mary E Buchanan | 31 | Daughter | Clerk | Pennsylvania |
| 10 | Walter Niewiarowski | 42 | Head | Moulder | Poland |
| 11 | Rosa Niewiarowski | 43 | Wife | — | Poland |
| 12 | Nellie Niewiarowski | 12 | Daughter | — | Pennsylvania |
| 13 | Casimir Niewiarowski | 11 | Son | — | Pennsylvania |
| 14 | Joe Niewiarowski | 8 | Son | — | Pennsylvania |
| 15 | Joseph Basilewski | 31 | Boarder | Laborer | Poland |
| 16 | William Kulas | 47 | Boarder | Laborer | Poland |
| 17 | Michael Wierzbowski | 45 | Boarder | Laborer | Poland |
| 18 | Timothy Sullivan | 75 | Head | — | England |
| 19 | Mary Sullivan | 65 | Wife | — | Ireland |
| 20 | John Sullivan | 43 | Son | Watchman | Pennsylvania |
| 21 | George Sullivan | 33 | Son | Laborer | Pennsylvania |
| 22 | Francis Sullivan | 28 | Son | Laborer | Pennsylvania |
| 23 | Catherine Sullivan THIS PERSON | 26 | Daughter | — | Pennsylvania |
| 24 | John Buksi | 41 | Head | Laborer | Poland |
| 25 | Rose Buksi | 37 | Wife | — | Poland |
| 26 | Helen Buksi | 15 | Daughter | Stenographer | Pennsylvania |
| 27 | Adam Buksi | 14 | Son | — | Pennsylvania |
| 28 | Stephanie Buksi | 11 | Daughter | — | Pennsylvania |
| 29 | Irene Buksi | 8 | Daughter | — | Pennsylvania |
| 30 | John Jr. Buksi | 3 | Son | — | Pennsylvania |
| 31 | Constance Buksi | 1 | Daughter | — | Pennsylvania |
| 32 | Kazimierz Bakos | 25 | Head | Oiler | Poland |
| 33 | Helen Bakos | 18 | Wife | — | Pennsylvania |
| 34 | Frances Bakos | 0 | Daughter | — | Pennsylvania |
| 35 | Michael Pechner | 47 | Head | Laborer | Poland |
| 36 | Antoinette Pechner | 46 | Wife | — | Poland |
| 37 | Frances Pechner | 15 | Daughter | — | Pennsylvania |
| 38 | Laura Pechner | 12 | Daughter | — | Pennsylvania |
| 39 | Anna Pechner | 10 | Daughter | — | Pennsylvania |
| 40 | Leo Pechner | 7 | Son | — | Pennsylvania |
| 41 | Walter Schultz | 43 | Head | Baker | Poland |
| 42 | Waclawa Schultz | 28 | Wife | — | Poland |
| 43 | Henry Schultz | 8 | Son | — | Pennsylvania |
| 44 | Wanda Schultz | 1 | Daughter | — | Pennsylvania |
| 45 | Katherine Zebrowska | 37 | Head | Cook | Poland |
| 46 | Edward Mientkowski | 27 | Head | Machinist | Pennsylvania |
| 47 | Sophie Mientkowski | 25 | Wife | — | Pennsylvania |
| 48 | Sylvester Socian | 25 | Head | Moulder | Pennsylvania |
| 49 | Rose Socian | 24 | Wife | — | Pennsylvania |
| 50 | Wanda Socian | 2 | Daughter | — | Pennsylvania |
Pedigree Summary
Catherine + 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 1920 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)