JF
John Fitzpatrick — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Fitzpatrick across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & Thomas — first a son (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Real Estate |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Real Estate |
| Township / Ward | Belmont Town |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Fitzpatrick | Head | — | 54 | ~1876 |
| John Fitzpatrick | Son | — | 27 | ~1903 |
| Thomas Fitzpatrick | Son | — | 23 | ~1907 |
| Margaret Fitzpatrick | Spouse | — | 52 | ~1878 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 27
Middlesex, Massachusetts · implied b. ~1903 — 4 household members
| Surname | Fitzpatrick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Real Estate |
| Industry | Real Estate |
| Class of Worker | W |
| 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 John Fitzpatrick across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Michael Fitzpatrick (~0.92 confidence) and father Thomas Fitzpatrick (~0.92 confidence) and mother Margaret Fitzpatrick (~0.92 confidence) and father John Fitzpatrick (~0.92 confidence) and mother Margaret Fitzpatrick (~0.92 confidence) and mother Mary Fitzpatrick (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Fitzpatrick
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Thomas Fitzpatrick
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Margaret Fitzpatrick
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Fitzpatrick
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Fitzpatrick
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Fitzpatrick
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fitzpatrick
Son · 1930 · age 27 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
Thomas Fitzpatrick
Sibling · 1930 · age 23
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel914:0719)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles B Higgins | 40 | Head | Manager | Massachusetts |
| 52 | Alice Higgins | 42 | Wife | — | Massachusetts |
| 53 | Charles B Jr Higgins | 14 | Son | — | Massachusetts |
| 54 | Gordon Higgins | 12 | Son | — | Massachusetts |
| 55 | Arthur Tirrell | 40 | Head | Salesman | Massachusetts |
| 56 | Alice H Tirrell | 41 | Wife | — | Massachusetts |
| 57 | Barbara J Tirrell | 5 | Daughter | — | Massachusetts |
| 58 | Robert G Tirrell | 1 | Son | — | Massachusetts |
| 59 | Charles Lucey | 52 | Head | Manager | New York |
| 60 | Harriet Lucey | 52 | Wife | — | New York |
| 61 | Charles Lucey | 26 | Son | — | New York |
| 62 | John Lucey | 24 | Son | — | Massachusetts |
| 63 | John J Shaw | 48 | Head | Salesman | Massachusetts |
| 64 | Anna E Shaw | 48 | Wife | — | Massachusetts |
| 65 | Thomas J Fitzpatrick | 54 | Head | Employee | Massachusetts |
| 66 | Margaret Fitzpatrick | 52 | Wife | — | Massachusetts |
| 67 | John Fitzpatrick THIS PERSON | 27 | Son | Real Estate | Massachusetts |
| 68 | Thomas J Jr Fitzpatrick | 23 | Son | Secretary | Massachusetts |
| 69 | Alfred J Garrett | 47 | Head | Salesman | England |
| 70 | Sarah Garrett | 47 | Wife | — | England |
| 71 | Ruth Garrett | 21 | Daughter | — | England |
| 72 | Amy Garrett | 19 | Daughter | — | England |
| 73 | Dorothy Garrett | 17 | Daughter | — | England |
| 74 | James Garrett | 15 | Son | — | England |
| 75 | Arthur Garrett | 12 | Son | — | England |
| 76 | Louis J Demers | 57 | Head | Broker | Massachusetts |
| 77 | Lida Demers | 54 | Wife | — | Massachusetts |
| 78 | Lida J Demers | 28 | Daughter | — | Massachusetts |
| 79 | Lucy Demers | 23 | Daughter | — | Massachusetts |
| 80 | Alice Demers | 18 | Daughter | — | Massachusetts |
| 81 | George H Brown | 54 | Head | Real Estate | Massachusetts |
| 82 | Alice Brown | 49 | Wife | — | Massachusetts |
| 83 | Joy Brown | 19 | Daughter | — | Massachusetts |
| 84 | Susan Brown | 75 | Mother | — | Massachusetts |
| 85 | John Kyle | 46 | Head | Manager | Massachusetts |
| 86 | Alice Kyle | 42 | Wife | — | Massachusetts |
| 87 | Frances Kyle | 15 | Daughter | — | Massachusetts |
| 88 | John Hagerty | 55 | Head | — | Massachusetts |
| 89 | Elizabeth Hagerty | 50 | Wife | — | Pennsylvania |
| 90 | Foster H Bond | 50 | Head | Estimator | Ohio |
| 91 | Sarah Bond | 51 | Wife | — | Massachusetts |
| 92 | Foster H Jr Bond | 15 | Son | — | Massachusetts |
| 93 | John Bond | 13 | Son | — | Massachusetts |
| 94 | George W Davis | 45 | Head | Agent | Maine |
| 95 | Minnie Davis | 45 | Wife | — | Maine |
| 96 | David Smith | 46 | Head | Salesman | Massachusetts |
| 97 | Florence L Smith | 46 | Wife | — | Massachusetts |
| 98 | Katherine L Smith | 18 | Daughter | — | Massachusetts |
| 99 | Theresa Smith | 15 | Daughter | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About 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)