AS
Arthur Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Arthur Sullivan across the 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 10-person household.
Age 15
b. ~1905
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Sullivan |
| Given Name | Arthur T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| George Sullivan | Son | — | 5 | ~1915 |
| Thomas Sullivan | Son | — | 7 | ~1913 |
| Cornelius Sullivan | Son | — | 11 | ~1909 |
| Jeremiah Sullivan | Head | — | 46 | ~1874 |
| Arthur Sullivan | Son | — | 15 | ~1905 |
| Jeremiah Sullivan | Son | — | 18 | ~1902 |
| Robert Sullivan | Son | — | 12 | ~1908 |
| Marion Sullivan | Spouse | — | 45 | ~1875 |
| Marion Sullivan | Daughter | — | 9 | ~1911 |
| Frederick Sullivan | Son | — | 14 | ~1906 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1905 — 10 household members
| Surname | Sullivan |
| Given Name | Arthur T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Arthur Sullivan across 2 US Census years (1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Arthur Sullivan
Son · 1920 · age 15 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Marion Sullivan
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeremiah Sullivan
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Sullivan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Sullivan
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Sullivan
Sibling · 1920 · age 5
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 — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu740unit:0165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elsie | 8 | Daughter | — | Massachusetts |
| 52 | Ruth | 6 | Daughter | — | Massachusetts |
| 53 | Alice | 6 | Daughter | — | Massachusetts |
| 54 | Richard | 4 | Son | — | Massachusetts |
| 55 | Otto | 2 | Son | — | Massachusetts |
| 56 | Herman | 1 | Son | — | Massachusetts |
| 57 | Theodore H. Langer | 48 | Head | Carpenter | Germany |
| 58 | Gertrude F. Langer | 44 | Wife | — | Germany |
| 59 | Gustav H. Hocks | 21 | Son-in-law | Organ Builder | Germany |
| 60 | Freda Hocks | 23 | Daughter | — | Massachusetts |
| 61 | Frank Viadana | 45 | Head | Tailor | Italy |
| 62 | Mary Viadana | 45 | Wife | — | Italy |
| 63 | Anthony Viadana | 15 | Son | Messenger | Massachusetts |
| 64 | Richard Viadana | 13 | Son | — | Massachusetts |
| 65 | James D'Amico | 37 | Head | Tailor | Italy |
| 66 | Theodora D'Amico | 27 | Wife | — | Massachusetts |
| 67 | William B. D'Amico | 12 | Son | — | Massachusetts |
| 68 | Marie A. D'Amico | 1 | Daughter | — | Massachusetts |
| 69 | Anna M. Dunn | 72 | Head | — | Ireland |
| 70 | Charles S. Dunn | 49 | Son | Clerk | Massachusetts |
| 71 | John F. Price | 38 | Head | Chauffeur | England |
| 72 | Ellen A. Price | 38 | Wife | — | Ireland |
| 73 | Helen E. Price | 8 | Daughter | — | Massachusetts |
| 74 | Mary Price | 4 | Daughter | — | Massachusetts |
| 75 | Jeremiah Sullivan | 46 | Head | Inspector & Weigher | Ireland |
| 76 | Marion Sullivan | 45 | Wife | — | England |
| 77 | Jeremiah M. Sullivan | 18 | Son | Clerk | Massachusetts |
| 78 | Arthur T. Sullivan THIS PERSON | 15 | Son | — | Massachusetts |
| 79 | Frederick C. Sullivan | 14 | Son | — | Massachusetts |
| 80 | Robert Sullivan | 12 | Son | — | Massachusetts |
| 81 | Cornelius A. Sullivan | 11 | Son | — | Massachusetts |
| 82 | Marion G. Sullivan | 9 | Daughter | — | Massachusetts |
| 83 | Thomas Sullivan | 7 | Son | — | Massachusetts |
| 84 | George H. Sullivan | 5 | Son | — | Massachusetts |
| 85 | Bernard Flaherty | 52 | Head | Fireman | Ireland |
| 86 | John J. Flaherty | 57 | Brother | — | Massachusetts |
| 87 | Augustus Flaherty | 55 | Brother | — | Ireland |
| 88 | William J. Flaherty | 51 | Brother | Laborer | Massachusetts |
| 89 | William H. Flaherty | 11 | Nephew | — | Massachusetts |
| 90 | Edward W. Flaherty | 9 | Nephew | — | Massachusetts |
| 91 | Cecelia Flaherty | 22 | Niece | — | Massachusetts |
| 92 | William J. O'Brien | 50 | Head | Watchman | Ireland |
| 93 | Hannah M. O'Brien | 47 | Wife | — | England |
| 94 | Timothy J. O'Brien | 17 | Son | R.R. Clerk | Massachusetts |
| 95 | Joseph O'Brien | 17 | Son | Laborer | Massachusetts |
| 96 | Mary E. O'Brien | 16 | Daughter | — | Massachusetts |
| 97 | William J. Jr. O'Brien | 15 | Son | — | Massachusetts |
| 98 | Francis P. O'Brien | 13 | Son | — | Massachusetts |
| 99 | Margaret M. O'Brien | 11 | Daughter | — | Massachusetts |
| 100 | Teresa Hurley | 54 | Sister-in-law | — | Massachusetts |
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)