WF
William Fitzpatrick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this William Fitzpatrick across the 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 9-person household.
Age 14
b. ~1916
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Fitzpatrick |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Salem City |
| Est. Birth Year | ~1916 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Fitzpatrick | Daughter | — | 4 | ~1926 |
| Donald Fitzpatrick | Son | — | 8 | ~1922 |
| Eleanor Fitzpatrick | Daughter | — | 11 | ~1919 |
| Mabel Fitzpatrick | Daughter | — | 16 | ~1914 |
| Mabel Fitzpatrick | Spouse | — | 37 | ~1893 |
| Joan Fitzpatrick | Daughter | — | ~1930 | |
| William Fitzpatrick | Son | — | 14 | ~1916 |
| John Fitzpatrick | Son | — | 2 | ~1928 |
| William Fitzpatrick | Head | — | 38 | ~1892 |
Census Appearances
1920
Essex, Massachusetts
Son, age 4
Essex, Massachusetts · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1916 — 9 household members
| Surname | Fitzpatrick |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Fitzpatrick across 2 US Census years (1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Fitzpatrick
Son · 1930 · age 14 · b. ~1916 · Massachusetts
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Sibling
Donald Fitzpatrick
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Fitzpatrick
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fitzpatrick
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Fitzpatrick
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Fitzpatrick
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Fitzpatrick
Sibling · 1930 · age
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
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel902:0797)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bronislaw Krasniewski | 41 | Head | Staker | Poland |
| 2 | Mary Krasniewski | 33 | Wife | None | Poland |
| 3 | Helen Krasniewski | 11 | Daughter | None | Massachusetts |
| 4 | Katherine Krasniewski | 10 | Daughter | None | Massachusetts |
| 5 | Stella Krasniewski | 8 | Daughter | None | Massachusetts |
| 6 | Joseph Krasniewski | 8 | Son | None | Massachusetts |
| 7 | Stanley Krasniewski | 6 | Son | None | Massachusetts |
| 8 | Clara Krasniewski | 4 | Daughter | None | Massachusetts |
| 9 | Alice Krasniewski | 2 | Daughter | None | Massachusetts |
| 10 | Irene Krasniewski | 1 | Daughter | None | Massachusetts |
| 11 | Boleslaw Maga | 31 | Head | Wet Room | Massachusetts |
| 12 | Emily Maga | 26 | Wife | Seasoner | Massachusetts |
| 13 | Irene Maga | 5 | Daughter | None | Massachusetts |
| 14 | Leonard Maga | 3 | Son | None | Massachusetts |
| 15 | Theodore Morris | 48 | Head | Junk Dealer | Russia |
| 16 | Sadie Morris | 45 | Wife | None | Russia |
| 17 | Pearl Morris | 25 | Daughter | Bookkeeper | Massachusetts |
| 18 | Bernard Morris | 18 | Son | None | Massachusetts |
| 19 | Albert Morris | 12 | Son | None | Massachusetts |
| 20 | Max Krasnik | 42 | Head | Sprayer | Poland |
| 21 | Sarah Krasnik | 37 | Wife | None | Poland |
| 22 | Leon Krasnik | 6 | Son | None | Poland |
| 23 | Alexander Jankowski | 28 | Head | Cutter | Poland |
| 24 | Nellie Jankowski | 30 | Wife | None | Poland |
| 25 | John Jankowski | 8 | Son | None | Massachusetts |
| 26 | Irene Jankowski | 6 | Daughter | None | Massachusetts |
| 27 | Helen Jankowski | 3 | Daughter | None | Massachusetts |
| 28 | William H. Fitzpatrick | 38 | Head | Driver | Massachusetts |
| 29 | Mabel C. Fitzpatrick | 37 | Wife | None | Massachusetts |
| 30 | Mabel C. Fitzpatrick | 16 | Daughter | None | Massachusetts |
| 31 | William H. Fitzpatrick THIS PERSON | 14 | Son | None | Massachusetts |
| 32 | Eleanor G. Fitzpatrick | 11 | Daughter | None | Massachusetts |
| 33 | Donald Fitzpatrick | 8 | Son | None | Massachusetts |
| 34 | Mary Fitzpatrick | 4 | Daughter | None | Massachusetts |
| 35 | John Fitzpatrick | 2 | Son | None | Massachusetts |
| 36 | Joan Fitzpatrick | 0 | Daughter | None | Massachusetts |
| 37 | Stanislaw Potocki | 35 | Head | Bleacher | Poland |
| 38 | Victoria Potocki | 37 | Wife | None | Poland |
| 39 | Julia Potocki | 13 | Daughter | None | Massachusetts |
| 40 | Henry Potocki | 6 | Son | None | Massachusetts |
| 41 | Joseph Petrie | 57 | Head | Watchman | Canada-French |
| 42 | Margaret Petrie | 58 | Wife | None | New York State |
| 43 | Katherine Hinkon | 57 | Boarder | House-Keeper | Ireland |
| 44 | Raymond Polakowski | 48 | Head | Staker | Germany |
| 45 | Theresa Polakowski | 37 | Wife | None | Ireland |
| 46 | Raymond Jr. Polakowski | 18 | Son | Shipper | Massachusetts |
| 47 | Joseph Polakowski | 16 | Son | Shipper | Massachusetts |
| 48 | Marie Polakowski | 14 | Daughter | None | Massachusetts |
| 49 | Gertrude Polakowski | 13 | Daughter | None | Massachusetts |
| 50 | Martha Polakowski | 12 | Daughter | None | Massachusetts |
Search for William Fitzpatrick
All William Fitzpatrick Census Records Discover Fitzpatrick Family TreeAbout This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)