MS
Margaret Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Margaret Smith across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents George & Charles — first a daughter (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Female
Daughter
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Smith |
| Given Name | Margaret C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Daughter | — | 30 | ~1910 |
| George Agee | Head | — | 59 | ~1881 |
| Patricia Smith | Other | — | 2 | ~1938 |
| Robert Smith | Other | — | 35 | ~1905 |
| Barbara Smith | Other | — | 5 | ~1935 |
| Paul Agee | Son | — | 28 | ~1912 |
Census Appearances
1920
San Francisco, …
Daughter, age 9
San Francisco, California · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| 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, …
Daughter, age 20
San Francisco, California · implied b. ~1910 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 30
San-Francisco-County, California · implied b. ~1910 — 6 household members
| Surname | Smith |
| Given Name | Margaret C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Highest Grade | No 4 |
| 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 Margaret Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Agee (~0.92 confidence) and father Charles Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Ethel Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Agee
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ethel Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Smith
Daughter · 1940 · age 30 · b. ~1910 · California
★ You are viewing this record
Sibling
Paul Agee
Sibling · 1940 · age 28
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-t0627-00322-00077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ada W. Mccabe | 64 | Lodger | Housewife | California |
| 2 | Alfred Baumberger | 59 | Head | Auditor | California |
| 3 | Dorothy Baumberger | 49 | Wife | — | California |
| 4 | Lucille Baumberger | 22 | Daughter | Clerk | California |
| 5 | Roscoe Dant | 58 | Head | Salesman | Ohio |
| 6 | Lulu Dant | 54 | Wife | — | West Virginia |
| 7 | Lambert Dant | 26 | Son | Teller | Iowa |
| 8 | Hugh O'Connor | 52 | Head | Conductor | Ireland |
| 9 | Bartholomew Kelleher | 52 | Lodger | Laborer | Ireland |
| 10 | Ethel Gowan | 53 | Head | — | California |
| 11 | Frank V. Gowan | 35 | Son | Conductor | California |
| 12 | Vivian Gowan | 23 | Daughter | — | California |
| 13 | Earl Mitchell | 28 | Head | Salesman | California |
| 14 | Doris Mitchell | 26 | Wife | — | California |
| 15 | Earl Jr. Mitchell | 3 | Son | — | California |
| 16 | Roy Davidson | 57 | Head | Messenger | Kentucky |
| 17 | Bertha Davidson | 45 | Wife | — | Ohio |
| 18 | John Davidson | 17 | Son | — | California |
| 19 | Marie Erwin | 69 | Head | Retired | California |
| 20 | Thomas Fassett | 45 | Head | Electrician | California |
| 21 | Mazie Fassett | 44 | Wife | — | Scotland |
| 22 | Merrilee Fassett | 16 | Daughter | — | California |
| 23 | Thomas L. Jr. Fassett | 9 | Son | — | California |
| 24 | Hans De Mont | 45 | Head | Apartment House | Switzerland |
| 25 | Maria De Mont | 42 | Wife | — | Switzerland |
| 26 | Norman De Mont | 17 | Son | — | California |
| 27 | Willard De Mont | 15 | Son | — | California |
| 28 | Walter Sicke | 45 | Head | Clerk | California |
| 29 | Helen Sicke | 43 | Wife | — | California |
| 30 | Janice Sicke | 23 | Daughter | Stenographer | California |
| 31 | Walter Sicke | 20 | Son | Clerk | California |
| 32 | Lorraine Sicke | 18 | Daughter | Saleswoman | California |
| 33 | George Agee | 59 | Head | School Teacher | California |
| 34 | Paul Agee | 28 | Son | Physician | California |
| 35 | Robert E. Smith | 35 | Son-in-law | Time Keeper | California |
| 36 | Margaret C. Smith THIS PERSON | 30 | Daughter | — | California |
| 37 | Barbara Smith | 5 | Grandchild | — | California |
| 38 | Patricia Smith | 2 | Grandchild | — | California |
| 39 | Charles Brighton | 37 | Head | Salesman | Pennsylvania |
| 40 | Bertha Brighton | 35 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)