AL
Alice Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Alice Long across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Long |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 551 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Stenographer |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Joan Long | Daughter | — | 15 | ~1925 |
| Delia Long | Spouse | — | 64 | ~1876 |
| Anita Long | Daughter | — | 24 | ~1916 |
| Alice Long | Daughter | — | 20 | ~1920 |
| John Long | Son | — | 28 | ~1912 |
| John Long | Head | — | 60 | ~1880 |
| Mary Long | Daughter | — | 30 | ~1910 |
Census Appearances
1930
San Francisco, …
Daughter, age 10
San Francisco, California · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York State |
| Mother's Birthplace | New York State |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 20
San-Francisco-County, California · implied b. ~1920 — 7 household members
| Surname | Long |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Stenographer |
| Industry | Telephone Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 551 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| 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 Alice Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Long
Daughter · 1940 · age 20 · b. ~1920 · California
★ You are viewing this record
Sibling
Joan Long
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Long
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Long
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Long
Sibling · 1940 · age 24
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
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00310-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlotte Jones | 77 | Head | Old Age Pension | England |
| 42 | Catherine Sullivan | 64 | Head | — | California |
| 43 | Margaret Sullivan | 31 | Daughter | Bill Clerk | California |
| 44 | Shirley Carrick | 11 | Daughter | — | California |
| 45 | Jean Carrick | 10 | Daughter | — | California |
| 46 | Betty Carrick | 8 | Grand Daughter | — | California |
| 47 | Joan Carrick | 7 | Grand Daughter | — | California |
| 48 | Noreen Carrick | 3 | Grand Daughter | — | California |
| 49 | Linda Carrick | 1 | Grand Daughter | — | California |
| 50 | Mary A. West | 54 | Sister | — | California |
| 51 | Michael Kelly | 65 | Head | Laborer | Eire |
| 52 | Nora Kelly | 65 | Wife | — | Eire |
| 53 | James Hussey | 39 | Head | Laborer | California |
| 54 | Howard Hinnson | 26 | Head | Painter | Pennsylvania |
| 55 | Inez M. Hinnson | 23 | Wife | — | Kansas |
| 56 | Arlene Heath | 4 | Step Daughter | — | California |
| 57 | Gussie Shea | 61 | Head | — | California |
| 58 | Veronica Shea | 28 | Daughter | Stenographer | California |
| 59 | Loreen Shea | 27 | Daughter | Stenographer | California |
| 60 | Patrick Clifford | 53 | Head | Foreman | Eire |
| 61 | Mary Clifford | 52 | Wife | — | Eire |
| 62 | Ellen Clifford | 20 | Daughter | Bill Clerk | California |
| 63 | Margaret Clifford | 15 | Daughter | — | California |
| 64 | George Locks | 53 | Head | Trimmer | California |
| 65 | Matilda Locks | 49 | Wife | — | Missouri |
| 66 | Robert Locks | 20 | Son | Messenger | California |
| 67 | Oscar Macdonald | 61 | Head | Blacksmith | California |
| 68 | Bessie Macdonald | 57 | Wife | — | California |
| 69 | Louise Macdonald | 38 | Daughter | Book Keeper | California |
| 70 | Edward Parker | 46 | Head | Operator | Canada |
| 71 | Leona Parker | 37 | Wife | — | Missouri |
| 72 | John Long | 60 | Head | Laborer | Eire |
| 73 | Delia Long | 64 | Wife | — | Eire |
| 74 | Mary E. Long | 30 | Daughter | Sales Lady | California |
| 75 | John E. Long | 28 | Son | Messenger | California |
| 76 | Anita Long | 24 | Daughter | Stenographer | California |
| 77 | Alice Long THIS PERSON | 20 | Daughter | Stenographer | California |
| 78 | Joan Long | 15 | Daughter | Secretary | California |
| 79 | Rudolf Bischofberger | 77 | Head | Retired | Switzerland |
| 80 | Johanna Bischofberger | 82 | Wife | — | Germany |
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)