WM
William Morton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Mateo-County, California
Our Model Tree links this William Morton across the 1930 and 1940 US Censuses in San-Mateo-County, California (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Mateo-County, California |
| Surname | Morton |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Burlingame |
| 1935 Residence (County) | San Mateo |
| Additional Details | |
| Occupation | Accountant |
| Industry | Estate |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Accountant |
| Township / Ward | Burlingame |
| Est. Birth Year | ~1895 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Morton | Son | — | 19 | ~1921 |
| Donald Morton | Son | — | 17 | ~1923 |
| William Morton | Head | — | 45 | ~1895 |
| Mary Morton | Daughter | — | 14 | ~1926 |
| Gertrude Morton | Spouse | — | 47 | ~1893 |
| James Morton | Son | — | 21 | ~1919 |
Census Appearances
1930
San Mateo, …
Head, age 35
San Mateo, California · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morton |
| Given Name | William F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Illinois |
| Occupation | Accountant |
| Industry | Investments |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 12,000 |
| Home Value / Rent | R |
| Veteran | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
San-Mateo-County, California
Head, age 45
San-Mateo-County, California · implied b. ~1895 — 6 household members
| Surname | Morton |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Burlingame |
| 1935 Residence (County) | San Mateo |
| Occupation | Accountant |
| Industry | Estate |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 William Morton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Morton
Head · 1940 · age 45 · b. ~1895 · 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-Mateo-County, California
Open full size
1940 US Federal Census — San-Mateo-County, California
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00332-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gutrun Erickson | 40 | Wife | — | Norway |
| 2 | Kay Marie Erickson | 13 | Daughter | — | California |
| 3 | Doris Mae Erickson | 10 | Daughter | — | California |
| 4 | Greta Amelia Erickson | 6 | Daughter | — | California |
| 5 | Sonja Gudrun Erickson | 1 | Daughter | — | California |
| 6 | James M. Owens | 66 | Head | Civil Engineer | Illinois |
| 7 | Jessica M. Owens | 61 | Wife | — | Pennsylvania |
| 8 | Trywin Warner | 32 | Head | Examiner | New Jersey |
| 9 | Juanita Warner | 31 | Wife | — | California |
| 10 | John Warner | 3 | Son | — | California |
| 11 | Susan Warner | 2 | Daughter | — | California |
| 13 | Cedric Speed | 41 | Head | 52 | Same Place |
| 14 | Hazel Speed | 41 | Wife | 5 | Same Place |
| 15 | Thomas C. Speed | 9 | Son | — | Same Place |
| 16 | Louise D. Speed | 6 | Daughter | — | Same Place |
| 17 | Elizabeth Anne Taylor | 17 | Servant | 1 | Same Place |
| 18 | Seth E. Thompson | 59 | Head | Conductor | Missouri |
| 19 | Anna Thompson | 55 | Wife | — | Kansas |
| 20 | William G. Salmon | 57 | Head | Salesman | New York |
| 21 | Florence Salmon | 47 | Wife | — | Ohio |
| 22 | Emma Smalley | 77 | Mother-in-law | — | Ohio |
| 23 | James Nishimoto | 23 | Servant | Servant | California |
| 24 | Joseph A. Branson | 29 | Head | Attorney | California |
| 25 | Bernice Branson | 29 | Wife | — | California |
| 26 | Thomas A. Branson | 5 | Son | — | California |
| 29 | C. William Whitman | 71 | Head | Retired | Maryland |
| 30 | Ida V. Whitman | 69 | Wife | — | Maryland |
| 31 | Henry White | 84 | Head | — | England |
| 32 | Lena K. White | 71 | Wife | — | California |
| 33 | Alma B. White | 39 | Daughter | Bookkeeping | California |
| 34 | Francis White | 35 | Daughter | Secretary | California |
| 35 | William F. Morton THIS PERSON | 45 | Head | Accountant | Illinois |
| 36 | Gertrude L. Morton | 47 | Wife | — | Illinois |
| 37 | James T. Morton | 21 | Son | Student | California |
| 38 | William E. Morton | 19 | Son | Usher | California |
| 39 | Donald G. Morton | 17 | Son | Student | California |
| 40 | Mary Louise Morton | 14 | 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)