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Katherine Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Katherine Sullivan across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 14-person household.
Age 18
b. ~1902
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Sullivan |
| Given Name | Katherine C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| 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 | ~1902 |
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.
14 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Son | — | 12 | ~1908 |
| Elizabeth Sullivan | Spouse | — | 44 | ~1876 |
| Dorothy Sullivan | Daughter | — | 6 | ~1914 |
| Katherine Sullivan | Daughter | — | 18 | ~1902 |
| John Sullivan | Head | — | 46 | ~1874 |
| Marie Sullivan | Daughter | — | 16 | ~1904 |
| Margaret Sullivan | Daughter | — | 14 | ~1906 |
| Robert Sullivan | Son | — | 8 | ~1912 |
| Katherine Wunder | Other | — | 65 | ~1855 |
| Edward Sullivan | Son | — | 4 | ~1916 |
| Elizabeth George | Other | — | 58 | ~1862 |
| Betty Sullivan | Daughter | — | 1 | ~1919 |
| Eleanor Sullivan | Daughter | — | 10 | ~1910 |
| Helen Sullivan | Daughter | — | 20 | ~1900 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 8
Allegheny, Pennsylvania · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathrien |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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 18
Allegheny, Pennsylvania · implied b. ~1902 — 14 household members
| Surname | Sullivan |
| Given Name | Katherine C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 Katherine Sullivan across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Sullivan
Daughter · 1920 · age 18 · b. ~1902 · Pennsylvania
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Sullivan
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sullivan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Sullivan
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Sullivan
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Sullivan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1920 · 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
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:1920:14thcensusofpopu1522unit:1107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence C Groves | 28 | Head | Waiter | North Carolina |
| 2 | Edith M Groves | 20 | Wife | None | Pennsylvania |
| 3 | Charles E Groves | 2 | Son | None | Pennsylvania |
| 4 | Fred L Guenther | 34 | Head | Laborer | Pennsylvania |
| 5 | Ida E Guenther | 32 | Wife | None | Pennsylvania |
| 6 | Dorothy Guenther | 3 | Daughter | None | Pennsylvania |
| 7 | Raymond M Guenther | 0 | Son | None | Pennsylvania |
| 8 | George C Schindalwette | 67 | Head | Painter | Germany |
| 9 | Wilhelmina Schindalwette | 42 | Wife | None | Maryland |
| 10 | Theodore H Schindalwette | 32 | Son | Painter | Pennsylvania |
| 11 | Christine M Schindalwette | 25 | Daughter | Bookkeeper | Pennsylvania |
| 12 | Victor P Schindalwette | 21 | Son | Painter | Pennsylvania |
| 13 | Charles Raab | 39 | Head | Machinist | Pennsylvania |
| 14 | Anna K Raab | 36 | Wife | None | Pennsylvania |
| 15 | Michel Stark | 44 | Head | Sta. Eng. | Pennsylvania |
| 16 | Agusta L Stark | 46 | Wife | None | Germany |
| 17 | Anna Mary Stark | 20 | Daughter | Bookkeeper | Pennsylvania |
| 18 | Michel C Stark | 15 | Son | Laundryman | Pennsylvania |
| 19 | Vera A Stark | 6 | Daughter | None | Pennsylvania |
| 20 | John Carlson | 38 | Head | Draftsman | Sweden |
| 21 | Mary E Carlson | 37 | Wife | None | Sweden |
| 22 | Marie May Carlson | 6 | Daughter | None | Pennsylvania |
| 23 | Ruth C Carlson | 4 | Daughter | None | Pennsylvania |
| 24 | Karl O Winnell | 48 | Boarder | Draftsman | Sweden |
| 25 | John B Sullivan | 46 | Head | Merchant | Pennsylvania |
| 26 | Elizabeth Sullivan | 44 | Wife | None | Pennsylvania |
| 27 | Helen E Sullivan | 20 | Daughter | Member Of A Religious Order | Pennsylvania |
| 28 | Katherine C Sullivan THIS PERSON | 18 | Daughter | None | Pennsylvania |
| 29 | Marie B Sullivan | 16 | Daughter | None | Pennsylvania |
| 30 | Margaret C Sullivan | 14 | Daughter | None | Pennsylvania |
| 31 | John W Sullivan | 12 | Son | None | Pennsylvania |
| 32 | Eleanor B Sullivan | 10 | Daughter | None | Pennsylvania |
| 33 | Robert J Sullivan | 8 | Son | None | Pennsylvania |
| 34 | Dorothy A Sullivan | 6 | Daughter | None | Pennsylvania |
| 35 | Edward Sullivan | 4 | Son | None | Pennsylvania |
| 36 | Betty Jane Sullivan | 1 | Daughter | None | Pennsylvania |
| 37 | Katherine Wunder | 65 | Mother-in-law | None | Pennsylvania |
| 38 | Elizabeth George | 58 | Aunt | None | Pennsylvania |
| 39 | John G Jordan | 35 | Head | Policeman | Virginia |
| 40 | Mary B Jordan | 35 | Wife | None | Virginia |
| 41 | Henry B Jordan | 10 | Son | None | West Virginia |
| 42 | Lawrence J Hegley | 39 | Head | Laborer | Pennsylvania |
| 43 | Katherine Hegley | 38 | Wife | None | Pennsylvania |
| 44 | Theodore L Hegley | 7 | Son | None | Pennsylvania |
| 45 | Agnes M Hegley | 3 | Daughter | None | Pennsylvania |
| 46 | Phyllis C Hegley | 1 | Daughter | None | Pennsylvania |
| 47 | Fred K Hegley | 30 | Brother | Laborer | Pennsylvania |
| 48 | Gustav Hegley | 71 | Father | None | Germany |
| 49 | Peter Jos Schootz | 34 | Head | Laborer | Pennsylvania |
| 50 | Anna B Schootz | 29 | Wife | None | Pennsylvania |
Related Census Records
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)