FJ
Florence James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Florence James across the 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | James |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | City of Oakland |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | City Of Oakland |
| Est. Birth Year | ~1924 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence James | Daughter | — | 16 | ~1924 |
| Elizabeth James | Spouse | — | 34 | ~1906 |
| Aubrey James | Son | — | 7 | ~1933 |
| Mada James | Daughter | — | 17 | ~1923 |
| Thomas James | Head | — | 43 | ~1897 |
| Katherine James | Daughter | — | 10 | ~1930 |
| Robert James | Son | — | 15 | ~1925 |
Census Appearances
1930
Alameda, California
Other, age 6
Alameda, California · implied b. ~1924 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Florence C. |
| Relationship to Head | G. Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | No |
| Veteran | no |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Daughter, age 16
Alameda-County, California · implied b. ~1924 — 7 household members
| Surname | James |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | City of Oakland |
| 1935 Residence (County) | Alameda |
| Income (1939) | 0 |
| Highest Grade | H 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 Florence James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence James
Daughter · 1940 · age 16 · b. ~1924 · California
★ You are viewing this record
Sibling
Robert James
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aubrey James
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine James
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mada James
Sibling · 1940 · age 17
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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00437-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Potter | 43 | Wife | — | Texas |
| 2 | George Mckinnon | 48 | Head | Statistician | Scotland |
| 3 | Phoebe Mckinnon | 47 | Wife | — | England |
| 4 | Ronald Mckinnon | 13 | Son | — | California |
| 5 | Stuart Mckinnon | 11 | Son | — | California |
| 6 | Andrea Wilson | 63 | Head | — | Denmark |
| 7 | William Wilson | 23 | Son | Service Station Att. | Texas |
| 8 | Jessie Redonique | 75 | Aunt | — | California |
| 9 | Mabel Utter | 60 | Head | — | California |
| 10 | Mark Townsend | 59 | Head | Special Guard | Portland |
| 11 | Olive Townsend | 47 | Wife | — | Iowa |
| 12 | Mary Townsend | 21 | Daughter | — | California |
| 13 | Helen Townsend | 18 | Daughter | — | California |
| 14 | Maurice Townsend | 16 | Daughter | — | California |
| 15 | Patrick Townsend | 8 | Daughter | — | California |
| 16 | Thomas James | 43 | Head | Truck Driver | California |
| 17 | Elizabeth James | 34 | Wife | — | California |
| 18 | Mada James | 17 | Daughter | — | California |
| 19 | Florence James THIS PERSON | 16 | Daughter | — | California |
| 20 | Robert James | 15 | Son | — | California |
| 21 | Katherine James | 10 | Daughter | — | California |
| 22 | Aubrey James | 7 | Son | — | California |
| 23 | Frank Jardine | 46 | Head | Fireman | Portugal |
| 24 | Louise Jardine | 35 | Wife | — | California |
| 25 | William Jardine | 16 | Son | — | California |
| 26 | Charles Jardine | 12 | Son | — | California |
| 27 | John Cochran | 42 | Head | Foreman Painter | Minnesota |
| 28 | Mary Cochran | 33 | Wife | — | Illinois |
| 29 | Dorothy Cochran | 10 | Daughter | — | California |
| 30 | William Cochran | 15 | Son | — | California |
| 31 | Earl Foster | 41 | Head | Biller | Kansas |
| 32 | Winifred Foster | 39 | Wife | — | Idaho |
| 33 | Clyde Foster | 19 | Son | — | Washington |
| 34 | Joan Foster | 14 | Daughter | — | Oregon |
| 35 | Betty Foster | 12 | Daughter | — | California |
| 36 | Bill Smith | 46 | Head | Miller | Tennessee |
| 37 | Jessie Smith | 45 | Wife | — | California |
| 38 | James Smith | 7 | Son | — | California |
| 39 | Alice Morris | 50 | Head | Bookkeeper | Canada |
| 40 | Patricia Morris | 21 | Daughter | — | Wisconsin |
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)