WP
William Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Prince-George'S-County, Maryland
Our Model Tree links this William Preston across the 1930 and 1940 US Censuses in Prince-George'S-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 8-person household.
Age 52
b. ~1888
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Prince-George'S-County, Maryland |
| Surname | Preston |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | 14th Election District |
| 1935 Residence (County) | Prince Georges |
| Additional Details | |
| Occupation | Clerk |
| Industry | Labor Dept. |
| Class of Worker | GW |
| Hours Worked | 41 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Clerk |
| Township / Ward | 14Th Election District |
| Est. Birth Year | ~1888 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Preston | Son | — | 11 | ~1929 |
| Henrietta Preston | Daughter | — | 15 | ~1925 |
| Mildred Preston | Spouse | — | 46 | ~1894 |
| Ellen Preston | Daughter | — | 16 | ~1924 |
| Frank Preston | Son | — | 5 | ~1935 |
| Alice Preston | Daughter | — | 13 | ~1927 |
| William Preston | Head | — | 52 | ~1888 |
| Linda Preston | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Prince Georges, …
Head, age 42
Prince Georges, Maryland · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 30 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Nebraska |
| Occupation | Clerk |
| Industry | U.S. Govt. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Prince-George'S-County, Maryland
Head, age 52
Prince-George'S-County, Maryland · implied b. ~1888 — 8 household members
| Surname | Preston |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | 14th Election District |
| 1935 Residence (County) | Prince Georges |
| Occupation | Clerk |
| Industry | Labor Dept. |
| Class of Worker | GW |
| Hours Worked | 41 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Preston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Preston
Head · 1940 · age 52 · b. ~1888 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Prince-George'S-County, Maryland
Open full size
1940 US Federal Census — Prince-George'S-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01557-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Pursham | 1 | Son | — | Maryland |
| 42 | Eugene Jackson | 15 | Nep. | — | New Jersey |
| 43 | Edna Poet | 48 | Lodger | — | Maryland |
| 44 | Sabina Mack | 60 | Head | — | Germany |
| 45 | Robert Lennon | 75 | Board | — | D. C. |
| 46 | James H. Vance | 70 | Head | 13 | Ohio |
| 47 | Pearl E. Vance | 71 | Wife | — | Ohio |
| 48 | Stanley S. Gilbert | 52 | Head | Proof Reader | Pennsylvania |
| 49 | Margaret R. Gilbert | 48 | Wife | — | Spain |
| 50 | Stanley S. Jr. Gilbert | 21 | Son | Bookkeeper | D. C. |
| 51 | Perry R. Gilbert | 14 | Son | — | Maryland |
| 52 | Sallie D. Gantt | 51 | Head | — | Maryland |
| 53 | Albert Gantt | 22 | Son | Laborer | Maryland |
| 54 | John Gantt | 19 | Son | Clerk | Maryland |
| 55 | Sally Lou Gantt | 15 | Daughter | — | Maryland |
| 56 | Samuel Williams | 49 | Head | Foreman | D. C. |
| 57 | Virginia Williams | 44 | Wife | — | Maryland |
| 58 | Mary Williams | 13 | Daughter | — | Maryland |
| 59 | Juliet D. Williams | 9 | Daughter | — | Maryland |
| 60 | James D. Morris | 37 | Head | Attendant | North Carolina |
| 61 | Grace E. Morris | 37 | Wife | Clerk | Virginia |
| 62 | Donald Morris | 7 | Son | — | D. C. |
| 63 | Louella Wise | 79 | Mother | — | Virginia |
| 64 | Maurice Swartz | 26 | Head | Ironworker | Virginia |
| 65 | Harriet Swartz | 20 | Wife | — | Kentucky |
| 66 | Maurice Swartz | 0 | Son | — | Maryland |
| 67 | Carlyle Swartz | 20 | Brother | Painter Helper | Virginia |
| 68 | Francis Swartz | 14 | Brother | — | Virginia |
| 69 | Fredrick Roylance | 54 | Head | — | Utah |
| 70 | Merit Roylance | 24 | Son | Engineer | Utah |
| 71 | Donald Roylance | 19 | Son | Editor | North Dakota |
| 72 | William Preston THIS PERSON | 52 | Head | Clerk | Oregon |
| 73 | Mildred Preston | 46 | Wife | — | Massachusetts |
| 74 | Ellen Preston | 16 | Daughter | — | D. C. |
| 75 | Henrietta Preston | 15 | Daughter | — | D. C. |
| 76 | Alice Preston | 13 | Daughter | — | D. C. |
| 77 | William Preston | 11 | Son | — | D. C. |
| 78 | Linda Preston | 8 | Daughter | — | D. C. |
| 79 | Frank Preston | 5 | Son | — | D. C. |
| 80 | Harry Hubbard | 46 | Head | Carpenter | Maryland |
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)