JS
Joseph Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Erie, New York
Our Model Tree links this Joseph Sullivan across the 1910 and 1920 US Censuses in Erie, New York (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 11-person household.
Age 11
b. ~1909
Male
Son
Born: New York
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Erie, New York |
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Buffalo |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Helen Sullivan | Daughter | — | 7 | ~1913 |
| Mary Sullivan | Daughter | — | 13 | ~1907 |
| Alice Sullivan | Daughter | — | ~1920 | |
| John Sullivan | Head | — | 45 | ~1875 |
| William Sullivan | Son | — | 9 | ~1911 |
| John Sullivan | Son | — | 15 | ~1905 |
| Edward Sullivan | Son | — | 1 | ~1919 |
| Francis Sullivan | Son | — | 5 | ~1915 |
| Joseph Sullivan | Son | — | 11 | ~1909 |
| James Sullivan | Son | — | 3 | ~1917 |
| Mary Sullivan | Spouse | — | 40 | ~1880 |
Census Appearances
1910
Erie, New …
Son, age 2
Erie, New York · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Erie, New …
Son, age 11
Erie, New York · implied b. ~1909 — 11 household members
| Surname | Sullivan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 2 US Census years (1910 and 1920) in Erie, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Sullivan
Son · 1920 · age 11 · b. ~1909 · New York
★ You are viewing this record
Sibling
Helen Sullivan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sullivan
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sullivan
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1920 · 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
1920 US Federal Census — Erie, New York
Open full size
1920 US Federal Census — Erie, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1276unit:0444)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 1 | Adeline | 45 | Wife | New York |
| 2 | Pearl | 22 | Daughter | New York |
| 3 | Raymond | 19 | Son | New York |
| 4 | William | 17 | Son | New York |
| 5 | Mary | 15 | Daughter | New York |
| 6 | Hugh | 13 | Son | New York |
| 7 | John | 11 | Son | New York |
| 8 | Bridget O'Dea | 50 | Head | Ireland |
| 9 | Mary O'Dea | 22 | Daughter | New York |
| 10 | John O'Dea | 19 | Son | New York |
| 11 | Joseph O'Dea | 17 | Son | New York |
| 12 | James O'Dea | 15 | Son | New York |
| 13 | Agnes O'Dea | 13 | Daughter | New York |
| 14 | William O'Dea | 11 | Son | New York |
| 15 | Helen O'Dea | 9 | Daughter | New York |
| 16 | Francis O'Dea | 7 | Son | New York |
| 17 | Julia Collins | 60 | Head | Ireland |
| 18 | Mary Collins | 30 | Daughter | New York |
| 19 | John Collins | 28 | Son | New York |
| 20 | Joseph Collins | 26 | Son | New York |
| 21 | William Collins | 24 | Son | New York |
| 22 | Agnes Collins | 22 | Daughter | New York |
| 23 | Helen Collins | 20 | Daughter | New York |
| 24 | Francis Collins | 18 | Son | New York |
| 25 | James Collins | 16 | Son | New York |
| 26 | Edward Collins | 14 | Son | New York |
| 27 | Alice Collins | 12 | Daughter | New York |
| 28 | Thomas Collins | 10 | Son | New York |
| 29 | Robert Collins | 8 | Son | New York |
| 30 | Margaret Collins | 6 | Daughter | New York |
| 31 | Catherine Collins | 4 | Daughter | New York |
| 32 | George Collins | 2 | Son | New York |
| 33 | Anna Collins | 0 | Daughter | New York |
| 34 | John Sullivan | 45 | Head | Ireland |
| 35 | Mary Sullivan | 40 | Wife | Ireland |
| 36 | John Sullivan | 15 | Son | New York |
| 37 | Mary Sullivan | 13 | Daughter | New York |
| 38 | Joseph Sullivan THIS PERSON | 11 | Son | New York |
| 39 | William Sullivan | 9 | Son | New York |
| 40 | Helen Sullivan | 7 | Daughter | New York |
| 41 | Francis Sullivan | 5 | Son | New York |
| 42 | James Sullivan | 3 | Son | New York |
| 43 | Edward Sullivan | 1 | Son | New York |
| 44 | Alice Sullivan | 0 | Daughter | New York |
| 45 | Thomas Murphy | 50 | Head | Ireland |
| 46 | Bridget Murphy | 45 | Wife | Ireland |
| 47 | Thomas Murphy | 20 | Son | New York |
| 48 | Mary Murphy | 18 | Daughter | New York |
| 49 | Joseph Murphy | 16 | Son | New York |
| 50 | William Murphy | 14 | Son | New York |
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)