AS
Arthur Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this Arthur Sullivan across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Francis & Raymond — first a son (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Sullivan |
| Given Name | Arthur J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Madeline Sullivan | Daughter | — | 22 | ~1908 |
| Arthur Sullivan | Son | — | 20 | ~1910 |
| Raymond Sullivan | Head | — | 46 | ~1884 |
| Emma Mccourtney | Other | — | 40 | ~1890 |
| Anne Sullivan | Spouse | — | 43 | ~1887 |
| Lulu Mccourtney | Other | — | 45 | ~1885 |
Census Appearances
1910
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Indiana |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 10
San Francisco, California · implied b. ~1910 — 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 | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 20
San Francisco, California · implied b. ~1910 — 6 household members
| Surname | Sullivan |
| Given Name | Arthur J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | 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 Arthur Sullivan across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father Francis Sullivan (~0.92 confidence) and father Raymond Sullivan (~0.92 confidence) and mother Anne Sullivan (~0.92 confidence) and mother Pearl Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Raymond Sullivan
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Anne Sullivan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Pearl Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Sullivan
Son · 1930 · age 20 · b. ~1910 · California
★ You are viewing this record
Sibling
Madeline Sullivan
Sibling · 1930 · age 22
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
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
49 people indexed on this census page (ia:1930:californiacensus00reel203:0914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis D Mcauney | 48 | Head | Supervisor | Kentucky |
| 2 | Irene Mcauney | 43 | Wife | — | Germany |
| 3 | Irene Mcauney | 11 | Daughter | — | New Jersey |
| 4 | Elaine Mcauney | 8 | Daughter | — | California |
| 5 | Charles Mcauney | 5 | Son | — | New Jersey |
| 6 | Charles F Walther | 44 | Head | Mfg Agent | California |
| 7 | Elizabeth Walther | 41 | Wife | — | California |
| 8 | Charles Jr Walther | 11 | Son | — | California |
| 9 | Pauline Roth | 24 | Boarder | Nurse | Washington |
| 10 | Harry Levison | 58 | Head | — | Russia |
| 11 | Barney Levison | 25 | Son | Storekeeper | Oregon |
| 12 | Elsie M Levison | 24 | Daughter-in-law | — | Pennsylvania |
| 13 | Ralph Levison | 21 | Son | Clerk | Oregon |
| 14 | Morris Levison | 20 | Son | Salesman | Oregon |
| 15 | Raymond Sullivan | 46 | Head | Accountant | California |
| 16 | Anne E Sullivan | 43 | Wife | — | California |
| 17 | Madeline Sullivan | 22 | Daughter | Stenographer | California |
| 18 | Arthur J Sullivan THIS PERSON | 20 | Son | — | California |
| 19 | Lulu E Mccourtney | 45 | Sister-in-law | Dress-Maker | California |
| 20 | Emma L Mccourtney | 40 | Sister-in-law | — | California |
| 21 | Mary Vidal | 55 | Head | — | France |
| 22 | Theodore M Vidal | 25 | Son | Bookkeeper | California |
| 23 | John Jones | 41 | Head | Salesman | Iowa |
| 24 | Edna Jones | 39 | Wife | — | California |
| 25 | John Jr Jones | 22 | Son | Clerk | California |
| 26 | Robert Jones | 10 | Son | — | California |
| 27 | Richard Jones | 2 | Son | — | California |
| 28 | Thomas Murphy | 72 | Head | Agent | Minnesota |
| 29 | Regina Murphy | 57 | Wife | — | Illinois |
| 30 | Morris Murphy | 32 | Son | — | Illinois |
| 31 | Margaret E Murphy | 10 | Daughter | — | California |
| 32 | Michael E Mandell | 43 | Head | Policeman | New York State |
| 33 | Agnes M Mandell | 42 | Wife | — | New York State |
| 34 | Katherine Mandell | 11 | Daughter | — | California |
| 35 | John L Lynch | 44 | Head | — | Germany |
| 36 | Marie E Lynch | 40 | Wife | — | California |
| 37 | John J Lynch | 20 | Son | Clerk | California |
| 38 | Gordon A Lynch | 18 | Son | Clerk | California |
| 39 | Arthur J Lynch | 15 | Son | — | California |
| 40 | James C Lynch | 13 | Son | — | California |
| 41 | William J Lynch | 12 | Son | — | California |
| 42 | Hans Hansen | 51 | Head | — | Denmark |
| 43 | Anna Hansen | 55 | Wife | — | Denmark |
| 44 | Hans E Hansen | 30 | Son | Clerk | Denmark |
| 45 | Charles E Hansen | 23 | Son | Bookkeeper | Denmark |
| 46 | Louis G Charles | 53 | Head | Salesman | New York |
| 47 | Lulu H Charles | 46 | Wife | — | California |
| 48 | Lucile Charles | 18 | Daughter | — | California |
| 49 | Alphonse Hyman | 60 | Brother | — | New York |
Pedigree Summary
Arthur + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)