WA
William Abbott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Abbott across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Abbott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| William Abbott | Son | — | 10 | ~1930 |
| Charles Abbott | Son | — | 14 | ~1926 |
| Dorothy Abbott | Daughter | — | 16 | ~1924 |
| Marcella Abbott | Daughter | — | 5 | ~1935 |
| Mildred Abbott | Daughter | — | 21 | ~1919 |
| Richard Abbott | Son | — | 9 | ~1931 |
| Joseph Abbott | Son | — | 3 | ~1937 |
| Eleanor Abbott | Daughter | — | 18 | ~1922 |
| Mary Abbott | Head | — | 43 | ~1897 |
| Lillian Abbott | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Abbott |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | New Jersey |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 10
Suffolk-County, Massachusetts · implied b. ~1930 — 10 household members
| Surname | Abbott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Abbott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Abbott
Son · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Joseph Abbott
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Abbott
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Abbott
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Abbott
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Abbott
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Abbott
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Abbott
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Abbott
Sibling · 1940 · age 12
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01674-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis Burke | 13 | Son | — | Massachusetts |
| 2 | William G. Burke | 11 | Son | — | Massachusetts |
| 3 | Robert Burke | 10 | Son | — | Massachusetts |
| 4 | Paul Burke | 8 | Son | — | Massachusetts |
| 5 | Virginia Burke | 5 | Daughter | — | Massachusetts |
| 6 | Arthur Burke | 4 | Son | — | Massachusetts |
| 7 | John B. Dacey | 51 | Head | Doctor | Massachusetts |
| 8 | Rose M. Dacey | 50 | Wife | Laborer | Massachusetts |
| 9 | John Dacey | 23 | Son | Laborer | Massachusetts |
| 10 | William Dacey | 21 | Son | Attendant | Massachusetts |
| 11 | William Casey | 29 | Step-son | Engraver | Massachusetts |
| 12 | James Sullivan | 25 | Step-son | Laborer | Massachusetts |
| 13 | William Ruffin | 76 | Head | — | New York |
| 14 | Annie Ruffin | 74 | Wife | — | New York |
| 15 | Mary G. Ruffin | 37 | Daughter | Switchboard Op. | Massachusetts |
| 16 | Margaret Ruffin | 34 | Daughter | Asst. Dietician | Massachusetts |
| 17 | Rose G. Ruffin | 32 | Daughter | Switchboard Op. | Massachusetts |
| 18 | William Cowan | 60 | Head | — | Massachusetts |
| 19 | Samuel Cowan | 58 | Brother | Salesman | Massachusetts |
| 20 | Mary Ellen Abbott | 43 | Head | — | Massachusetts |
| 21 | Mildred Abbott | 21 | Daughter | — | Massachusetts |
| 22 | Eleanor Abbott | 18 | Daughter | — | Massachusetts |
| 23 | Dorothy E. Abbott | 16 | Daughter | — | Massachusetts |
| 24 | Charles L. Abbott | 14 | Son | — | Massachusetts |
| 25 | Lillian Abbott | 12 | Daughter | — | Massachusetts |
| 26 | William Abbott THIS PERSON | 10 | Son | — | Massachusetts |
| 27 | Richard Abbott | 9 | Son | — | Massachusetts |
| 28 | Marcella Abbott | 5 | Daughter | — | Massachusetts |
| 29 | Joseph Abbott | 3 | Son | — | Massachusetts |
| 30 | Sing Wong | 50 | Head | Prop. | China |
| 31 | Kyung Loy Wong | 19 | Cousin | Ironer | China |
| 32 | Sing Chuck Wong | 39 | Cousin | Ironer | China |
| 33 | Carl Chini | 48 | Head | Laborer | Italy |
| 34 | Jennie Chini | 45 | Wife | — | Italy |
| 35 | Frank Chini | 22 | Son | Laborer | Italy |
| 36 | Mary Chini | 20 | Daughter | Floor Lady | Italy |
| 37 | Nancy Chini | 18 | Daughter | — | Massachusetts |
| 38 | Joseph Chini | 15 | Son | — | Massachusetts |
| 39 | Annie Chini | 13 | Daughter | — | Massachusetts |
| 40 | Joseph Monahan | 50 | Head | Chauffeur | Massachusetts |
Related Census Records
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)