MM
Mary Morse — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Mary Morse across the 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Morse |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Berkeley City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie Morse | Spouse | — | 42 | ~1898 |
| Walter Morse | Head | — | 45 | ~1895 |
| Norma Morse | Daughter | — | 24 | ~1916 |
| Mary Morse | Daughter | — | 11 | ~1929 |
| Walter Morse | Son | — | 22 | ~1918 |
Census Appearances
1930
Alameda, California
Daughter, age 2
Alameda, California · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morse |
| Given Name | Marjorie E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Daughter, age 11
Alameda-County, California · implied b. ~1929 — 5 household members
| Surname | Morse |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | 5 |
| 1935 Residence | California |
| 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 Morse across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morse
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Norma Morse
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Morse
Sibling · 1940 · age 22
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
39 people indexed on this census page (nara:1940:m-t0627-00190-00339)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mario F. Contreras | 28 | Wife | — | California |
| 2 | Garland H. Dunnington | 37 | Head | Credit Manager | Maryland |
| 3 | Ruth E. Dunnington | 39 | Wife | — | Maryland |
| 4 | Ruth E. Dunnington | 16 | Daughter | — | Massachusetts |
| 5 | J. Raymond Ramos | 34 | Head | Outside Representative | New York |
| 6 | Medea H. Ramos | 29 | Wife | — | Nevada |
| 7 | George S. Trimble | 38 | Head | Accountant | Pennsylvania |
| 8 | Eleanor D. Trimble | 44 | Wife | Teacher | Pennsylvania |
| 9 | Helen H. Shaw | 54 | Head | — | Pennsylvania |
| 10 | William N. Probert | 49 | Head | Medical Doctor | Virginia |
| 11 | Emma C. Probert | 45 | Wife | — | Oregon |
| 12 | Charles J. Yost | 50 | Head | Electrical Engineer | North Dakota |
| 13 | Irene N. Yost | 48 | Wife | — | California |
| 14 | Mary J. Yost | 17 | Daughter | — | California |
| 15 | Frank R. Hodgson | 43 | Head | Vice President | Texas |
| 16 | Zelma W. Hodgson | 42 | Wife | Music Teacher | Missouri |
| 17 | Frank R. Hodgson | 19 | Son | — | California |
| 18 | Marjorie L. Hodgson | 17 | Daughter | — | California |
| 19 | Carolyn L. Hodgson | 13 | Daughter | — | California |
| 20 | Doreene J. Turner | 25 | Maid | Maid | California |
| 21 | Ralph L. Choisser | 38 | Head | Proprietor | California |
| 22 | Ruth E. Choisser | 37 | Wife | Teacher | California |
| 23 | Harris W. Llewellyn | 39 | Head | Osteopath | Ohio |
| 24 | Miriam A. Llewellyn | 34 | Wife | — | Ohio |
| 25 | Barbara J. Llewellyn | 12 | Daughter | — | California |
| 26 | James W. Llewellyn | 10 | Son | — | California |
| 27 | John W. Mitchell | 30 | Head | Analyst | California |
| 28 | Bernice W. Mitchell | 30 | Wife | — | California |
| 29 | John W. Mitchell | 5 | Son | — | California |
| 30 | Donald W. Mitchell | 1 | Son | — | California |
| 31 | Walter N. Morse | 45 | Head | Sales Superintendent | Connecticut |
| 32 | Marie J. Morse | 42 | Wife | — | Michigan |
| 33 | Norma J. Morse | 24 | Daughter | New Worker | California |
| 34 | Walter N. Morse | 22 | Son | — | California |
| 35 | Mary A. Morse THIS PERSON | 11 | Daughter | — | California |
| 36 | Brooks K. Journey | 43 | Head | Head Of Lubricant Dept. | Missouri |
| 37 | Florence W. Journey | 42 | Wife | — | Idaho |
| 38 | Andy R. Journey | 11 | Son | — | California |
| 39 | Janet M. Journey | 5 | Daughter | — | California |
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)