MS
Mary Stuart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Stuart across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Stuart |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1929 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Marian Stuart | Spouse | — | 40 | ~1900 |
| Charles Stuart | Head | — | 48 | ~1892 |
| William Stuart | Son | — | 6 | ~1934 |
| Mary Stuart | Daughter | — | 11 | ~1929 |
| Charles Stuart | Son | — | 11 | ~1929 |
| Ann Stuart | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Los Angeles, …
Daughter, age 1
Los Angeles, California · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stuart |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 11
Los-Angeles-County, California · implied b. ~1929 — 6 household members
| Surname | Stuart |
| Given Name | Mary Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| 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 Mary Stuart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stuart
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Ann Stuart
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Stuart
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Stuart
Sibling · 1940 · age 11
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00402-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Watson | 42 | Head | Professor | Michigan |
| 2 | Dorothy O. Watson | 44 | Wife | — | Illinois |
| 3 | Shirley Watson | 16 | Daughter | — | Wisconsin |
| 4 | John Watson | 8 | Son | — | California |
| 5 | Louis E. Swenson | 65 | Head | Part Owner | Wisconsin |
| 6 | Bertha A. Swenson | 56 | Wife | — | Wisconsin |
| 7 | Isabell Tuckeisen | 58 | Head | — | Wisconsin |
| 8 | Merle Rudolph | 38 | Roomer | Bookkeeper | California |
| 9 | Esther Edmonds | 43 | Head | Stenographer | Iowa |
| 10 | Clare E. Ewers | 54 | Brother | Salesman | Iowa |
| 11 | Emma R. Ewers | 54 | Sister | — | Iowa |
| 12 | Attilio A. Bisini | 48 | Head | Mathematics Professor | Italy |
| 13 | Isabel Bisini | 41 | Wife | — | Kansas |
| 14 | Paul Bisini | 17 | Son | — | California |
| 15 | Debbora Bisini | 7 | Daughter | — | California |
| 16 | Ruth W. Brown | 58 | Head | Professor Languages | Wisconsin |
| 17 | Rolla Forward | 78 | Sister | — | Ohio |
| 18 | Roy H. Compton | 55 | Head | Publisher | Indiana |
| 19 | Lodene W. Compton | 49 | Wife | — | Indiana |
| 20 | Mary Mccollum | 29 | Daughter | Secretary | Indiana |
| 21 | Charles H. Stuart | 48 | Head | Buyer | New York |
| 22 | Marian Stuart | 40 | Wife | — | New York |
| 23 | Charles Stuart | 11 | Son | — | California |
| 24 | Mary Frances Stuart THIS PERSON | 11 | Daughter | — | California |
| 25 | Ann P. Stuart | 9 | Daughter | — | California |
| 26 | William C. Stuart | 6 | Son | — | California |
| 27 | Mary R. Harrington | 74 | Head | — | Ohio |
| 28 | Ethel R. Harrington | 49 | Daughter | Physician & Surgeon | Illinois |
| 29 | Chandler S. Edwards | 76 | Head | Agent | New Hampshire |
| 30 | Bess L. Edwards | 61 | Wife | — | California |
| 31 | Faith F. Myers | 45 | Head | Librarian | Ohio |
| 32 | Emma J. Holmes | 75 | Mother | — | Ohio |
| 33 | Zola D. Sommers | 65 | Head | — | Idaho |
| 34 | Charles H. Crosby | 34 | Roomer | Chauffeur | Kentucky |
| 35 | Ella J. Actenburger | 66 | Roomer | — | Alabama |
| 36 | Peter H. Rhode | 40 | Roomer | Meat Cutter | Louisiana |
| 37 | Bernard E. Capps | 60 | Head | Broker | Alabama |
| 38 | Hazel F. Capps | 54 | Wife | — | Kansas |
| 39 | Barney W. Meas | 5 | Son-in-law | — | California |
| 40 | Marie H. Herbert | 57 | Sister-in-law | Clerk | Kansas |
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)