AN
Agnes Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Agnes Nelson across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Nelson |
| Given Name | Agnes |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Income (1939) | 0 |
| 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 | ~1902 |
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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Walter Nelson | Head | — | 38 | ~1902 |
| Arnette Nelson | Daughter | — | 19 | ~1921 |
| Geraldine Nelson | Daughter | — | 11 | ~1929 |
| Agnes Nelson | Spouse | — | 38 | ~1902 |
| Raymond Nelson | Son | — | 18 | ~1922 |
Census Appearances
1920
San Francisco, …
Other, age 19
San Francisco, California · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Agnes |
| Relationship to Head | sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Spouse, age 28
San Francisco, California · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Agnes |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 18 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Spouse, age 38
San-Francisco-County, California · implied b. ~1902 — 5 household members
| Surname | Nelson |
| Given Name | Agnes |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Income (1939) | 0 |
| 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 Agnes Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Nelson
Spouse · 1940 · age 38 · b. ~1902 · 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-t0627-00310-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Henderson | 21 | wife | — | Utah |
| 2 | Maurice Silverman | 50 | Head | Clerk & Store | Missouri |
| 3 | Anna Silverman | 50 | wife | — | Illinois |
| 4 | Maurice Jr. Silverman | 10 | son | — | California |
| 5 | Emma (Mrs.) Finney | 42 | Head | Maid | Nebraska |
| 6 | Frank Foyle | 65 | Head | Plumber | California |
| 7 | Martha Foyle | 57 | wife | — | California |
| 8 | John North | 79 | Head | — | England |
| 9 | Pete Slona | 65 | Head | Laborer | Italy |
| 10 | Teresa Slona | 64 | wife | — | Italy |
| 11 | Mateo Slona | 35 | son | Janitor | Italy |
| 12 | Joe Slona | 30 | son | Trucker | California |
| 13 | Henry Riecks | 55 | Head | Teamster | England |
| 14 | Ester Riecks | 50 | wife | — | California |
| 15 | Ester Riecks | 20 | daughter | New Worker | California |
| 16 | Harold Birkinshaw | 27 | Head | Accountant | Utah |
| 17 | Irene Birkinshaw | 31 | wife | Secretary | Oregon |
| 18 | George Grasel | 29 | Head | Salesman | New York |
| 19 | Helen Grasel | 29 | wife | — | Oregon |
| 20 | George Jr. Grasel | 1 | son | — | California |
| 21 | Edward H. Parker | 57 | Head | Water Heater Service | Ohio |
| 22 | Pauline Parker | 52 | wife | — | Ohio |
| 23 | Walter Nelson | 38 | Head | Police Officer | California |
| 24 | Agnes Nelson THIS PERSON | 38 | wife | — | California |
| 25 | Arnette Nelson | 19 | daughter | — | California |
| 26 | Raymond Nelson | 18 | son | — | California |
| 27 | Geraldine Nelson | 11 | daughter | — | California |
| 28 | Charles L. Bradshaw | 28 | Head | Civil Engineer | Manila P.I. |
| 29 | Dorothy Bradshaw | 26 | wife | — | California |
| 30 | Carol Bradshaw | 2 | daughter | — | California |
| 31 | James V. Julian | 54 | Head | — | Italy |
| 32 | Christine Julian | 56 | wife | — | California |
| 33 | Alfred A. Anderson | 49 | Head | Clerk | Montana |
| 34 | Lilah Anderson | 51 | wife | Clerk Office | Washington |
| 35 | Ellen Haynes | 71 | sister-in-law | — | Illinois |
| 36 | Fred Meier | 48 | Head | Tavern | California |
| 37 | Mabel Meier | 51 | wife | — | California |
| 38 | Paul Bruck | 39 | Head | Shoe Repair | Germany |
| 39 | Ruth Bruck | 39 | wife | File 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)