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Catherine Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Catherine Sullivan across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1888 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Anastasia Jacobsen | Daughter | — | 25 | ~1915 |
| Mary Conley | Daughter | — | 30 | ~1910 |
| Catherine Sullivan | Head | — | 52 | ~1888 |
| George Jacobsen | Other | — | 44 | ~1896 |
| James Conley | Other | — | 7 | ~1933 |
Census Appearances
1920
San Francisco, …
Spouse, age 31
San Francisco, California · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | ireland |
1930
San Francisco, …
Spouse, age 42
San Francisco, California · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
San-Francisco-County, California
Head, age 52
San-Francisco-County, California · implied b. ~1888 — 5 household members
| Surname | Sullivan |
| Given Name | Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| 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 Catherine Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Catherine Sullivan
Head · 1940 · age 52 · b. ~1888 · California
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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
28 people indexed on this census page (nara:1940:m-t0627-00307-00481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Heilegger | 29 | Wife | — | Washington |
| 42 | Betty Heilegger | 10 | Daughter | — | California |
| 43 | Julia Creedon | 63 | Head | — | Ireland |
| 44 | Marian Creedon | 29 | Daughter | Clerk | California |
| 45 | William Creedon | 19 | Son | Operator | California |
| 46 | Mary Regan | 70 | Head | — | Ireland |
| 47 | Thomas Regan | 28 | Son | Operator | Ireland |
| 48 | Denis Regan | 34 | Son | Warehouseman | Ireland |
| 49 | Left | None | IN | — | — |
| 50 | Huzman Culakoff | 55 | Head | Janitor | Russia |
| 51 | Nastasia Culakoff | 55 | Wife | — | Russia |
| 52 | Mary Stanley | 35 | Daughter | Nurse | Russia |
| 53 | Edward Maloney | 31 | Head | Laborer | California |
| 54 | Julia Maloney | 27 | Wife | — | California |
| 55 | Joan Maloney | 0 | Daughter | — | California |
| 56 | Catherine Sullivan THIS PERSON | 52 | Head | — | Ireland |
| 57 | Mary Conley | 30 | Daughter | Waitress | California |
| 58 | James Conley | 7 | Grandson | — | California |
| 59 | George Jacobsen | 44 | Son-in-law | Box Maker | California |
| 60 | Anastasia Jacobsen | 25 | Daughter | — | California |
| 61 | William Mcmenomy | 54 | Head | Foreman | California |
| 62 | Margaret Mcmenomy | 56 | Wife | — | California |
| 63 | Mae Mcmenomy | 30 | Daughter | Operator | California |
| 64 | Jesus Garcia | 46 | Head | Baker | Spain |
| 65 | Levina Garcia | 40 | Wife | — | Mexico |
| 66 | Mariana Gomez | 66 | Mother-in-law | — | Mexico |
| 67 | Amelia Gonzalez | 54 | Lodger | — | Spain |
| 68 | Amalia Gonzalez | 45 | Lodger | Helper | Spain |
Related Census Records
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)