JF
John Fitzgerald — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Fitzgerald across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 5-person household.
Age 56
b. ~1864
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Conductor |
| Industry | St. Railway |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | ireland |
| Occupation | Conductor |
| Township / Ward | City Of Lowell |
| Est. Birth Year | ~1864 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Fitzgerald | Daughter | — | 18 | ~1902 |
| John Fitzgerald | Head | — | 56 | ~1864 |
| John Fitzgerald | Son | — | 25 | ~1895 |
| Edward Fitzgerald | Son | — | 15 | ~1905 |
| Mary Fitzgerald | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Middlesex, Massachusetts
Other, age 37
Middlesex, Massachusetts · implied b. ~1863 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | April |
| Birth Year | 1863 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman (Sta Engine) |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Head, age 46
Middlesex, Massachusetts · implied b. ~1864
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 20 |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | English |
| Industry | Granite Mason |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Head, age 56
Middlesex, Massachusetts · implied b. ~1864 — 5 household members
| Surname | Fitzgerald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | St. Railway |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | ireland |
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 Fitzgerald across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
John Fitzgerald
Head · 1920 · age 56 · b. ~1864 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu711unit:0916)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John O'Brien | 10 | Son | — | Massachusetts |
| 52 | John Smith | 77 | Head | Piper | Maine |
| 53 | Margaret Smith | 69 | Wife | — | Maine |
| 54 | John Smith | 45 | Son | — | Maine |
| 55 | Humphrey O'Sullivan | 46 | Head | Manufacturer | Ireland |
| 56 | Nellie O'Neill | 42 | Cousin | — | Ireland |
| 57 | Hannah O'Neill | 25 | Cousin | — | Ireland |
| 58 | Katie Donovan | 45 | Housekeeper | Housekeeper | Ireland |
| 59 | William H. Beaudry | 36 | Head | Machinist | Massachusetts |
| 60 | Annie J. Beaudry | 34 | Wife | — | Massachusetts |
| 61 | Annie V. Beaudry | 11 | Daughter | — | Massachusetts |
| 62 | Mary Beaudry | 9 | Daughter | — | Massachusetts |
| 63 | Sadie Beaudry | 5 | Daughter | — | Massachusetts |
| 64 | Christina Beaudry | 1 | Daughter | — | Massachusetts |
| 65 | Annie Beaudry | 59 | Mother | — | Massachusetts |
| 66 | Samuel P. Light | 46 | Head | — | Massachusetts |
| 67 | Ella L. Light | 64 | Sister | Bookkeeper | Massachusetts |
| 68 | M. Alice Tucker | 63 | Head | — | Massachusetts |
| 69 | Annie J. Tucker | 60 | Sister | Teacher | Massachusetts |
| 70 | John J. Kelley | 38 | Head | Fireman | Ireland |
| 71 | Margaret A. Kelley | 42 | Wife | — | Ireland |
| 72 | John Jordan | 21 | Lodger | Repairman | Ireland |
| 73 | Patrick Doherty | 46 | Head | — | Ireland |
| 74 | Ellen Doherty | 40 | Wife | — | New York |
| 75 | Mary Doherty | 26 | Daughter | Stitcher | Massachusetts |
| 76 | Margaret Doherty | 24 | Daughter | Winder | Massachusetts |
| 77 | John Doherty | 7 | Son (adopted) | — | Massachusetts |
| 78 | Ralph Doherty | 6 | Son (adopted) | — | Massachusetts |
| 79 | Ellen Downing | 40 | Head | Proprietor | Ireland |
| 80 | Anna G. Downing | 10 | Daughter | — | Massachusetts |
| 81 | Thomas J. Mccormick | 52 | Brother | Conductor | Ireland |
| 82 | John O'Day | 52 | Lodger | Freight Handler | Ireland |
| 83 | Mary O'Day | 49 | Lodger | — | Massachusetts |
| 84 | Mitchell B. Kaplan | 37 | Head | Proprietor | Russia |
| 85 | Bertha Kaplan | 34 | Wife | — | Russia |
| 86 | David Kaplan | 11 | Son | — | Massachusetts |
| 87 | Sophie Kaplan | 4 | Daughter | — | Massachusetts |
| 88 | Isaac Love | 46 | Head | — | Russia |
| 89 | Thomas Petricia | 40 | Head | Proprietor | Austria |
| 90 | Anna Petricia | 35 | Wife | — | New York |
| 91 | Juliette Petricia | 5 | Daughter | — | Massachusetts |
| 92 | Augusta Petricia | 1 | Son | — | Massachusetts |
| 93 | John Fitzgerald THIS PERSON | 56 | Head | Conductor | Ireland |
| 94 | Mary Fitzgerald | 54 | Wife | — | Ireland |
| 95 | John Fitzgerald | 25 | Son | Conductor | Massachusetts |
| 96 | Alice Fitzgerald | 18 | Daughter | — | Massachusetts |
| 97 | Edward Fitzgerald | 15 | Son | — | Massachusetts |
| 98 | Patrick Sheehan | 35 | Head | Laborer | Ireland |
| 99 | Mary Sheehan | 35 | Wife | — | Ireland |
| 100 | John Sheehan | 7 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)