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William Fitzgerald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Fitzgerald across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Fitzgerald | Daughter | — | 13 | ~1927 |
| Veronica Fitzgerald | Daughter | — | 17 | ~1923 |
| Patricia Fitzgerald | Daughter | — | 8 | ~1932 |
| Eileen Fitzgerald | Daughter | — | 24 | ~1916 |
| Agnes Fitzgerald | Daughter | — | 18 | ~1922 |
| Margaret Fitzgerald | Daughter | — | 22 | ~1918 |
| Lawrence Fitzgerald | Head | — | 49 | ~1891 |
| Lawrence Fitzgerald | Son | — | 20 | ~1920 |
| William Fitzgerald | Son | — | 12 | ~1928 |
| James Fitzgerald | Son | — | 10 | ~1930 |
| Margaret Fitzgerald | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Essex, Massachusetts
Son, age 2
Essex, Massachusetts · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 12
Essex-County, Massachusetts · implied b. ~1928 — 11 household members
| Surname | Fitzgerald |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Fitzgerald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Fitzgerald
Son · 1940 · age 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Lawrence Fitzgerald
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Fitzgerald
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Fitzgerald
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Fitzgerald
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Fitzgerald
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Fitzgerald
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Fitzgerald
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Fitzgerald
Sibling · 1940 · age 8
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01583-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Haigaz Boyajian | 16 | Head | — | Massachusetts |
| 2 | Stephen Donabedian | 52 | Head | Mill Operator | Turkey |
| 3 | Agnes Donabedian | 47 | Wife | — | Turkey |
| 4 | Alice Donabedian | 15 | Daughter | — | Massachusetts |
| 5 | Rudolph Gradzewicz | 52 | Head | Weaver | Poland |
| 6 | Josephine Gradzewicz | 46 | Wife | Weaver | Lithuania |
| 7 | Bernice Gradzewicz | 26 | Daughter | Mill Operator | Massachusetts |
| 8 | Charles Palmigiano | 29 | Head | Mill Operator | Massachusetts |
| 9 | Jennie Palmigiano | 27 | Wife | Mill Operator | Rhode Island |
| 10 | Charles Jr. Palmigiano | 3 | Son | — | Massachusetts |
| 11 | Carmella Palmigiano | 68 | Mother | — | Italy |
| 12 | James Palmigiano | 28 | Brother | Barber | Massachusetts |
| 13 | Mary Riley | 79 | Head | — | Massachusetts |
| 14 | John Riley | 72 | Brother | — | Massachusetts |
| 15 | William Riley | 65 | Brother | — | Massachusetts |
| 16 | Lawrence Fitzgerald | 49 | Head | Laborer | Massachusetts |
| 17 | Margaret Fitzgerald | 46 | Wife | — | Massachusetts |
| 18 | Eileen Fitzgerald | 24 | Daughter | Mill Operator | Massachusetts |
| 19 | Margaret Fitzgerald | 22 | Daughter | Mill Operator | Massachusetts |
| 20 | Lawrence Jr. Fitzgerald | 20 | Son | Mill Operator | Massachusetts |
| 21 | Agnes Fitzgerald | 18 | Daughter | — | Massachusetts |
| 22 | Veronica Fitzgerald | 17 | Daughter | — | Massachusetts |
| 23 | Eleanor Fitzgerald | 13 | Daughter | — | Massachusetts |
| 24 | William Fitzgerald THIS PERSON | 12 | Son | — | Massachusetts |
| 25 | James Fitzgerald | 10 | Son | — | Massachusetts |
| 26 | Patricia Fitzgerald | 8 | Daughter | — | Massachusetts |
| 27 | John Dylewska | 64 | Head | Mill Operator | Poland |
| 28 | Felixa Dylewska | 60 | Wife | — | Poland |
| 29 | Anthony Dylewska | 34 | Son | Mill Operator | Poland |
| 30 | Bruno Dylewska | 38 | Son | Mill Operator | Poland |
| 31 | Walter Dylewska | 31 | Son | Mill Operator | Massachusetts |
| 32 | John F. Mccarthy | 46 | Head | Laborer | Massachusetts |
| 33 | Louise Mccarthy | 47 | Wife | Mill Operator | Massachusetts |
| 34 | Ruth Mccarthy | 19 | Daughter | — | Massachusetts |
| 35 | William Muse | 64 | Head | Roofer | Nova Scotia |
| 36 | Margaret Muse | 56 | Wife | — | Massachusetts |
| 37 | Veronica Muse | 29 | Daughter | — | Massachusetts |
| 38 | Augustine Muse | 28 | Son | Wool Sorter | Massachusetts |
| 39 | Walter Muse | 22 | Son | Mill Operator | Massachusetts |
| 40 | Robert Muse | 9 | Grandson | — | Massachusetts |
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)