AS
Arthur Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Arthur Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Minnie — first a head (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Sheet-Maker |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Sheet-Maker |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1893 |
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 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Mary Regan | Other | — | 44 | ~1896 |
| Harry Sullivan | Son | — | 18 | ~1922 |
| Arthur Sullivan | Head | — | 47 | ~1893 |
| Arthur Sullivan | Son | — | 16 | ~1924 |
| Elizabeth Sullivan | Spouse | — | 47 | ~1893 |
Census Appearances
1910
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Head, age 27
San Francisco, California · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Salesman |
| Industry | Oils |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 37
San Francisco, California · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 26 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Sheet Metal |
| Industry | Contract |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 47
San-Francisco-County, California · implied b. ~1893 — 5 household members
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Sheet-Maker |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Sullivan
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Sullivan
Head · 1940 · age 47 · b. ~1893 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00312-00559)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Mcdonagh | 31 | Head | Watchman | Ireland |
| 42 | Patrick Mcdonagh | 36 | Lodger | Rail-Road | Ireland |
| 43 | Leslie Alt | 45 | Head | Canning | California |
| 44 | Clara Alt | 43 | Wife | — | California |
| 45 | Joseph Slevin | 58 | Head | Dr.-Gov. Research- | California |
| 46 | Imelda Slevin | 58 | Wife | — | California |
| 47 | Jose Slevin | 21 | Daughter | — | California |
| 48 | Henry Napkin | 48 | Head | Radio-Supply- | New York |
| 49 | Anne Napkin | 48 | Wife | — | Connecticut |
| 50 | Natalie Napkin | 23 | Daughter | Radio-Supply- | California |
| 51 | Henry Napkin | 17 | Son | — | California |
| 52 | Sarah Cook | 71 | Head | — | New York |
| 53 | Elnor Hussey | 61 | Lodger | — | California |
| 55 | Lewis Carp | 35 | Head | Insurance | California |
| 56 | Francis Carp | 32 | Wife | Teacher | California |
| 57 | Elmer Guy | 44 | Head | Longshoreman | Illinois |
| 58 | Ethyl Guy | 40 | Wife | — | California |
| 59 | Walter Lomax | 50 | Head | Tax Exp. | California |
| 60 | Mary Lomax | 40 | Wife | — | California |
| 61 | Mae Lomax | 70 | Mother | — | Ohio |
| 62 | Arthur Sullivan THIS PERSON | 47 | Head | Sheet-Maker | California |
| 63 | Elizabeth Sullivan | 47 | Wife | — | California |
| 64 | Harry Sullivan | 18 | Son | — | California |
| 65 | Arthur Sullivan | 16 | Son | — | California |
| 66 | Mary Regan | 44 | Sister in law | Sales | California |
| 67 | Frank French | 71 | Head | Executive | Tennessee |
| 68 | Ruby French | 53 | Wife | — | Utah |
| 69 | Florence Horning | 35 | Sister in law | Nurse | Utah |
| 70 | Perley Boone | 51 | Head | Sales | Canada Eng. |
| 71 | Helen Boone | 48 | Wife | — | California |
| 72 | Warren Boone | 19 | Son | — | Illinois |
| 73 | Arliss Boone | 17 | Daughter | — | Illinois |
| 74 | Ella Boone | 51 | Sister | Secretary | California |
| 75 | Jasper F. Watson | 52 | Head | Owner | Kansas |
| 76 | Agnes Watson | 48 | Wife | — | Montana |
| 77 | John R. Gallen | 32 | Head | Lawyer | Japan |
| 78 | Frances L. Gallen | 25 | Wife | — | California |
| 79 | Michael M. Gallen | 6 | Son | — | California |
| 80 | Peter Gallen | 3 | Son | — | California |
Pedigree Summary
Arthur
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)