CS
Cornelius Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this Cornelius Sullivan across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1846), then head of a 5-person household.
Age 74
b. ~1846
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1862 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1879 |
| Birthplace (normalized) | ireland |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1846 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Cornelius Sullivan | Head | — | 74 | ~1846 |
| Cornelius Sullivan | Son | — | 39 | ~1881 |
| Hanna Sullivan | Spouse | — | 71 | ~1849 |
| George Sullivan | Son | — | 35 | ~1885 |
| Anna Sullivan | Daughter | — | 43 | ~1877 |
Census Appearances
1900
San Francisco, …
Head, age 52
San Francisco, California · implied b. ~1848 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Sept |
| Birth Year | 1848 |
| Year of Immigration | 1860 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Shoemaker |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
San Francisco, …
Head, age 63
San Francisco, California · implied b. ~1847 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 40 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Drayman |
| Industry | Express |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
San Francisco, …
Head, age 74
San Francisco, California · implied b. ~1846 — 5 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1862 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1879 |
| Birthplace (normalized) | ireland |
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 Cornelius Sullivan across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
Show:
This person
Anchor record
Cornelius Sullivan
Head · 1920 · age 74 · b. ~1846 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu132unit:0933)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herman Koshola | 46 | Lodger | Seaman | Finland |
| 2 | Manuel Clausen | 31 | Lodger | Seaman | Finland |
| 3 | Harry Mitchell | 53 | Head | Salesman | California |
| 4 | Agnes Mitchell | 52 | Wife | Janitress | California |
| 5 | Joseph Mitchell | 22 | Son | None | California |
| 6 | Maude Mitchell | 18 | Daughter | Tel Operator | California |
| 7 | Ruth Mitchell | 16 | Daughter | Student | California |
| 8 | Richard Mitchell | 14 | Son | Student | California |
| 9 | Gertrude Mitchell | 11 | Daughter | Student | California |
| 10 | Terrence Mitchell | 6 | Son | Student | California |
| 11 | Christof Schroeder | 42 | Head | Worker | California |
| 12 | Elizabeth M. Schroeder | 42 | Wife | None | Canada |
| 13 | Catherine Stone | 69 | Head | None | Canada |
| 14 | Mary Stone | 43 | Daughter | Filler | California |
| 15 | Catherine Stone | 38 | Daughter | Worker | California |
| 16 | John J. Stone | 40 | Son | Letter Carrier | California |
| 17 | James Dowd | 79 | Head | Laborer | Ireland |
| 18 | Catherine Dowd | 67 | Wife | None | Ireland |
| 19 | Bessie Dowd | 14 | Daughter | Student | California |
| 20 | Cornelius Sullivan THIS PERSON | 74 | Head | None | Ireland |
| 21 | Hanna Sullivan | 71 | Wife | None | Ireland |
| 22 | Anna S. Sullivan | 43 | Daughter | None | California |
| 23 | Cornelius Sullivan | 39 | Son | Electrician | California |
| 24 | George Sullivan | 35 | Son | Letter Carrier | California |
| 25 | Meta Bull | 33 | Head | Clerk | California |
| 26 | George F. Wilson | 42 | Head | Printer | California |
| 27 | Maud Wilson | 40 | Wife | None | California |
| 28 | Joseph Wilson | 15 | Son | Student | California |
| 29 | Harold Wilson | 15 | Son | Student | California |
| 30 | Odessa Wilson | 12 | Daughter | Student | California |
| 31 | George Wilson | 10 | Son | Student | California |
| 32 | Woodrow Wilson | 8 | Son | Student | California |
| 33 | Hazel Wilson | 6 | Son | Student | California |
| 34 | Edward Wilson | 4 | Son | None | California |
| 35 | John Wilson | 2 | Son | None | California |
| 36 | Julia Cummings | 41 | Head | None | Ireland |
| 37 | Bernard Cummings | 18 | Son | Clerk | California |
| 38 | Margaret Cummings | 11 | Daughter | Student | California |
| 39 | Rudolph Haak | 52 | Head | Painter | Russia |
| 40 | Anna Haak | 47 | Wife | None | Russia |
| 41 | William Meyer | 33 | Head | None | Germany |
| 42 | Blazo Pavlovich | 26 | Head | Waiter | Jugo-Slavia |
| 43 | Winnie Pavlovich | 21 | Wife | None | Jugo-Slavia |
| 44 | Mary Pavlovich | 1 | Daughter | None | California |
| 45 | Michael Miretich | 35 | Lodger | Dishwasher | Jugo-Slavia |
| 46 | Marco Miretich | 32 | Lodger | Cook | Jugo-Slavia |
| 47 | George Miretich | 25 | Lodger | Waiter | Jugo-Slavia |
| 48 | Paul C. Stanslausen | 55 | Head | Preacher | Germany |
| 49 | Martha Stanslausen | 46 | Wife | None | Illinois |
| 50 | Julia Stanslausen | 26 | Daughter | Music Teacher | Illinois |
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)