NS
Nellie Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Francisco, California
Our Model Tree links this Nellie Sullivan across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Catherine & Mary — first a daughter (b.~1882), then head of a 4-person household.
Age 38
b. ~1882
Female
Daughter
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | clerk |
| Industry | laundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Mary Sullivan | Head | — | 67 | ~1853 |
| Nellie Sullivan | Daughter | — | 38 | ~1882 |
| Raymond Horrions | Other | — | 8 | ~1912 |
| Alice Horrions | Daughter | — | 29 | ~1891 |
Census Appearances
1900
San Francisco, …
Daughter, age 19
San Francisco, California · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Mar |
| Birth Year | 1881 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Daughter, age 27
San Francisco, California · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| Years Married | 2 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Daughter, age 38
San Francisco, California · implied b. ~1882 — 4 household members
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | clerk |
| Industry | laundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Nellie Sullivan across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: mother Catherine Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Sullivan
b. ~1843
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1845
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1853
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nellie Sullivan
Daughter · 1920 · age 38 · b. ~1882 · California
★ You are viewing this record
Sibling
Alice Horrions
Sibling · 1920 · age 29
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 — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu134unit:1123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roy L Williams | 31 | Son-in-law | Salesman | California |
| 52 | Nellie B Williams | 25 | daughter | None | California |
| 53 | Valentine Rademacher | 27 | Son-in-law | Piano Maker | California |
| 54 | Gladys Rademacher | 23 | daughter | None | California |
| 55 | William Mc Kenzie | 24 | nephew | Draftsman | California |
| 56 | Frank Tochek | 36 | lodger | Wood-Worker | California |
| 57 | Laura Rocha | 52 | lodger | Dress-Maker | California |
| 58 | Solomon F Cogswell | 53 | head | Foreman | Ohio |
| 59 | Hattie Cogswell | 14 | daughter | None | Ohio |
| 60 | Curtis Rich | 37 | head | Packer | Kansas |
| 61 | Lillian P Rich | 28 | wife | None | Massachusetts |
| 62 | Leona Rich | 10 | daughter | None | Kansas |
| 63 | Curtis Rich | 8 | son | None | California |
| 64 | Marie Rich | 7 | daughter | None | California |
| 65 | Charles Rich | 6 | son | — | California |
| 66 | Franklin Rich | 5 | son | — | California |
| 67 | Chas. H. Church | 56 | head | Plasterer | Missouri |
| 68 | Mary E. Church | 56 | wife | None | Missouri |
| 69 | Katherine Wooldridge | 27 | daughter | Clerk | Missouri |
| 70 | Nancy G Wooldridge | 10 | grand d | None | California |
| 71 | Robert G Wooldridge | 6 | grand son | — | California |
| 72 | Chas. W. Wooldridge | 3 | grand son | — | California |
| 73 | Jack Wooldridge | 1 | grand son | — | California |
| 74 | Wm H Church | 21 | son | Carpenter | Missouri |
| 75 | Annie Hess | 63 | head | None | Bohemia |
| 76 | Eleanor Hess | 26 | daughter | Book-Keeper | California |
| 77 | William Behun | 42 | head | Proprietor | California |
| 78 | Annie E. Behun | 40 | wife | None | Massachusetts |
| 79 | William T. Hooper | 50 | head | Officer | Kentucky |
| 80 | Bessie Hooper | 38 | wife | None | England |
| 81 | Elizabeth Angove | 70 | mother-in-law | None | England |
| 82 | Mary Sullivan | 67 | head | None | Pennsylvania |
| 83 | Alice Horrions | 29 | daughter | None | California |
| 84 | Nellie Sullivan THIS PERSON | 38 | daughter | Clerk | California |
| 85 | Raymond Horrions | 8 | grandson | None | California |
| 86 | Thomas Fox | 63 | head | None | England |
| 87 | Mary Fox | 27 | daughter | None | England |
| 88 | Ernest Fox | 28 | son | Secretary | England |
| 89 | Chester Fox | 25 | son | Mechanic | England |
| 90 | Max Boverman | 35 | head | Store Keeper | Russia |
| 91 | Clara Boverman | 27 | wife | None | Russia |
| 92 | Sam Boverman | 10 | son | None | California |
| 93 | Beatrice Boverman | 7 | daughter | Yes | California |
| 94 | Julia Boverman | 2 | daughter | None | California |
| 95 | John J. Cronin | 44 | head | Assistant Clerk | California |
| 96 | Mary E. Cronin | 39 | wife | None | California |
| 97 | Harry Cronin | 10 | son | None | California |
| 98 | Phyllis Cronin | 6 | daughter | — | California |
| 99 | Marion Cronin | 4 | daughter | — | California |
| 100 | Jack Cronin | 3 | son | — | California |
Pedigree Summary
Nellie + 1 sibling
Gen 1 · 3 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)