AR
Annie Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Annie Ross across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Ross |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1890 |
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 Annie | Age | Birth yr |
|---|---|---|---|---|
| Betty Ross | Daughter | — | 18 | ~1922 |
| Fred Ross | Head | — | 53 | ~1887 |
| Howard Killeen | Other | — | 47 | ~1893 |
| Bernard Ross | Son | — | 19 | ~1921 |
| Annie Ross | Spouse | — | 50 | ~1890 |
Census Appearances
1920
San Francisco, …
Spouse, age 29
San Francisco, California · implied b. ~1891 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Engineer |
| Industry | Barber |
| 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, …
Spouse, age 39
San Francisco, California · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Annie L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 50
San-Francisco-County, California · implied b. ~1890 — 5 household members
| Surname | Ross |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | No 8 |
| 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 Annie Ross across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Ross
Spouse · 1940 · age 50 · b. ~1890 · 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
40 people indexed on this census page (nara:1940:m-t0627-00308-00639)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Byron Le Roy | 31 | Head | Printer | Nebraska |
| 2 | Claire Le Roy | 29 | Wife | — | California |
| 3 | Florence Favis | 26 | Roomer | Operator | California |
| 4 | James Favis | 6 | Roomer | — | California |
| 5 | David Spivia | 35 | Head | Polisher | Italy |
| 6 | Louise Spivia | 27 | Wife | Operator | Texas |
| 7 | Birger Ulstad | 35 | Head | Painter | Norway |
| 8 | Mildred Ulstad | 26 | Wife | — | Finland |
| 9 | Arthur Hamilton | 41 | Head | Clerk | Illinois |
| 10 | Amy Hamilton | 38 | Wife | Clerk | Switzerland |
| 11 | Donald Hamilton | 18 | Son | — | Oregon |
| 12 | Richard Hamilton | 14 | Son | — | Oregon |
| 13 | August Fisher | 60 | Head | Machinist | New York |
| 14 | Blanche Fisher | 57 | Wife | — | Penn. |
| 15 | Otho Gilbert | 34 | Head | Nurse | Oregon |
| 16 | John Smith | 28 | Head | Attendant | California |
| 17 | Lorraine Smith | 21 | Wife | — | California |
| 18 | Violet Morris | 53 | Head | Leather Worker | California |
| 19 | Dean Thompson | 55 | Head | — | Washington |
| 20 | George Thompson | 15 | Son | — | Oregon |
| 21 | Curtis Griffin | 28 | Roomer | Bottler | Washington |
| 22 | William Perry | 64 | Head | Clerk | California |
| 23 | Alice Perry | 68 | Wife | — | California |
| 24 | Fred Ross | 53 | Head | Salesman | California |
| 25 | Annie Ross THIS PERSON | 50 | Wife | — | California |
| 26 | Bernard Ross | 19 | Son | — | California |
| 27 | Betty Ross | 18 | Daughter | — | California |
| 28 | Howard Killeen | 47 | Roomer | Helper | California |
| 29 | George Nicholls | 62 | Head | Owner | Iowa |
| 30 | Lena Nicholls | 64 | Wife | — | Nevada |
| 31 | Amy Gregg | 60 | Head | — | California |
| 32 | Anthony Orevich | 58 | Roomer | Laborer | Poland |
| 33 | Presley Hays | 38 | Head | Conductor | Washington |
| 34 | Esther Hays | 35 | Wife | — | California |
| 35 | Donald Hays | 6 | Son | — | California |
| 36 | William Lynch | 41 | Head | Finisher | California |
| 37 | Gerald Lynch | 42 | Brother | Operator | California |
| 38 | George Studinger | 39 | Head | Owner | California |
| 39 | Gladys Studinger | 42 | Wife | — | Michigan |
| 40 | William Mcmahon | 23 | Step-Son | Clerk | Michigan |
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)