WP
William Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cecil-County, Maryland
Our Model Tree links this William Preston across the 1930 and 1940 US Censuses in Cecil-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cecil-County, Maryland |
| Surname | Preston |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Elkton |
| 1935 Residence (County) | Cecil |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Elkton |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Janet Preston | Daughter | — | 2 | ~1938 |
| James Preston | Son | — | 8 | ~1932 |
| Raymond Preston | Son | — | 16 | ~1924 |
| Mary Preston | Spouse | — | 39 | ~1901 |
| Mary Preston | Daughter | — | 4 | ~1936 |
| William Preston | Son | — | 12 | ~1928 |
| William Preston | Head | — | 41 | ~1899 |
| Julia Preston | Daughter | — | 14 | ~1926 |
| Dorothy Preston | Daughter | — | 17 | ~1923 |
| Albert Preston | Son | — | 10 | ~1930 |
Census Appearances
1930
Cecil, Maryland
Son, age 2
Cecil, Maryland · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Cecil-County, Maryland
Son, age 12
Cecil-County, Maryland · implied b. ~1928 — 10 household members
| Surname | Preston |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Elkton |
| 1935 Residence (County) | Cecil |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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
Son · 1940 · age 12 · b. ~1928 · Maryland
★ You are viewing this record
Sibling
Dorothy Preston
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Preston
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Preston
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Preston
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Preston
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Preston
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Preston
Sibling · 1940 · age 4
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 — Cecil-County, Maryland
Open full size
1940 US Federal Census — Cecil-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01545-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Virginia Williams | 15 | Daughter | — | Maryland |
| 42 | Betty Williams | 12 | Daughter | — | Maryland |
| 43 | Dorris Williams | 6 | Daughter | — | Maryland |
| 44 | William Preston | 41 | Head | Chauffeur | Maryland |
| 45 | Mary Preston | 39 | Wife | — | Maryland |
| 46 | Dorothy Preston | 17 | Daughter | Hose Worker | Maryland |
| 47 | Raymond Preston | 16 | Son | — | Maryland |
| 48 | Julia Preston | 14 | Daughter | — | Maryland |
| 49 | William Jr Preston THIS PERSON | 12 | Son | — | Maryland |
| 50 | Albert Preston | 10 | Son | — | Maryland |
| 51 | James Preston | 8 | Son | — | Maryland |
| 52 | Mary Lou Preston | 4 | Daughter | — | Maryland |
| 53 | Janet Preston | 2 | Daughter | — | Maryland |
| 54 | Phoebe Mcvaugh | 68 | Head | — | Maryland |
| 55 | Unice Broomley | 66 | Lodger | — | Pennsylvania |
| 56 | John I Jones | 46 | Head | Carpenter | Maryland |
| 57 | Maida Jones | 49 | Wife | — | Maryland |
| 58 | Harold Jones | 20 | Son | Presser | Maryland |
| 59 | Howard A Jones | 22 | Son | — | Maryland |
| 60 | Marie Milbourn | 23 | Daughter | — | Maryland |
| 61 | Charles Milbourn | 26 | Son in law | Baker | Delaware |
| 62 | Phyllis Milbourn | 0 | Grand daughter | — | Delaware |
| 63 | Arabella Holmes | 66 | Head | — | Maryland |
| 64 | Thomas Holmes | 62 | Husband | — | Maryland |
| 65 | Frank Moody | 42 | Head | Plumber | Maryland |
| 66 | Ada Moody | 41 | Wife | — | Maryland |
| 67 | Charles Moody | 19 | Son | Plumber | Maryland |
| 68 | Frank Jr Moody | 13 | Son | — | Maryland |
| 69 | John W Moody | 1 | Son | — | Maryland |
| 70 | Ella Zueck | 70 | Aunt | Cook | Pennsylvania |
| 71 | Anna Zueck | 75 | Aunt | — | Pennsylvania |
| 72 | Thomas Mcintire | 44 | Head | Superintendent | Delaware |
| 73 | Emma R Mcintire | 39 | Wife | — | W. Virginia |
| 74 | Thomas Jr Mcintire | 15 | Son | — | Maryland |
| 75 | Charles Mcdonald | 50 | Head | Salesman | Pennsylvania |
| 76 | May Mcdonald | 54 | Wife | — | Pennsylvania |
| 77 | William Mcdonald | 20 | Son | Wing Assembly | Delaware |
| 78 | Louella Mcdonald | 18 | Daughter | — | Maryland |
| 79 | Charles Jr Mcdonald | 15 | Son | — | Maryland |
| 80 | Kenneth Mcdonald | 11 | Son | — | 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)