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 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 11-person household.
Age 16
b. ~1904
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Fitzgerald |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1904 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Fitzgerald | Daughter | — | 18 | ~1902 |
| Mildred Fitzgerald | Daughter | — | 21 | ~1899 |
| Michael Fitzgerald | Head | — | 56 | ~1864 |
| John Fitzgerald | Son | — | 16 | ~1904 |
| Peter Fitzgerald | Son | — | 15 | ~1905 |
| Gerald Fitzgerald | Son | — | 25 | ~1895 |
| Walter Fitzgerald | Son | — | 19 | ~1901 |
| Robert Fitzgerald | Son | — | 23 | ~1897 |
| Edward Fitzgerald | Son | — | 13 | ~1907 |
| Leon Fitzgerald | Son | — | 11 | ~1909 |
| Mary Fitzgerald | Spouse | — | 54 | ~1866 |
Census Appearances
1910
Middlesex, Massachusetts
Other, age 5
Middlesex, Massachusetts · implied b. ~1905 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | John J. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 11 household members
| Surname | Fitzgerald |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Fitzgerald across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Fitzgerald
Son · 1920 · age 16 · b. ~1904 · Massachusetts
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Sibling
Gerald Fitzgerald
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Fitzgerald
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Fitzgerald
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fitzgerald
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fitzgerald
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Fitzgerald
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Fitzgerald
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Fitzgerald
Sibling · 1920 · age 19
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
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:1920:14thcensusofpopu708unit:0514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael A Fitzgerald | 56 | Head | Superintendent | Massachusetts |
| 2 | Mary A Fitzgerald | 54 | Wife | — | Massachusetts |
| 3 | Gerald L Fitzgerald | 25 | Son | — | Massachusetts |
| 4 | Robert B Fitzgerald | 23 | Son | — | Massachusetts |
| 5 | Walter A Fitzgerald | 19 | Son | Secretary | Massachusetts |
| 6 | John J Fitzgerald THIS PERSON | 16 | Son | — | Massachusetts |
| 7 | Peter Fitzgerald | 15 | Son | — | Massachusetts |
| 8 | Edward D Fitzgerald | 13 | Son | — | Massachusetts |
| 9 | Leon Fitzgerald | 11 | Son | — | Massachusetts |
| 10 | Mildred R Fitzgerald | 21 | Daughter | — | Massachusetts |
| 11 | Mary E Fitzgerald | 18 | Daughter | — | Massachusetts |
| 12 | Alexander Inglis | 40 | Head | Professor | Connecticut |
| 13 | Antoinette Inglis | 39 | Wife | — | New York |
| 14 | Owen H Yates | 52 | Head | Minister | Vermont |
| 15 | Henrietta M Yates | 51 | Wife | — | Illinois |
| 16 | Gaylord M Yates | 26 | Son | — | Ohio |
| 17 | Frederick W Hamilton | 59 | Head | Grand Secretary | Maine |
| 18 | Emma J Hamilton | 58 | Wife | — | Massachusetts |
| 19 | Dorothy J Hamilton | 25 | Daughter | — | Massachusetts |
| 20 | George H Parker | 55 | Head | Tutor | France |
| 21 | Emmeline L Parker | 46 | Wife | — | Massachusetts |
| 22 | Beatrice L Parker | 21 | Daughter | — | Massachusetts |
| 23 | Gordon Parker | 19 | Son | — | Massachusetts |
| 24 | Dorothea D Parker | 15 | Daughter | — | Massachusetts |
| 25 | Lester G Hathaway | 40 | Head | Wholesale | Maine |
| 26 | Gertrude A Hathaway | 36 | Wife | — | New Hampshire |
| 27 | Kendall G Hathaway | 13 | Son | — | Massachusetts |
| 28 | Margaret Hurley | 38 | Servant | Cook | Ireland |
| 29 | Frank W Freeman | 46 | Head | Manufacturer | Wisconsin |
| 30 | Edith Freeman | 38 | Wife | — | Massachusetts |
| 31 | Lockwood Freeman | 6 | Son | — | Massachusetts |
| 32 | Franklin Freeman | 2 | Son | — | Massachusetts |
| 33 | Anna Johnson | 32 | Servant | Cook | Sweden |
| 34 | William F Munier | 38 | Head | Professor | Michigan |
| 35 | Mary G Munier | 31 | Wife | — | Oregon |
| 36 | Gretchen Munier | 9 | Daughter | — | Maine |
| 37 | Henry Munier | 8 | Son | — | Maine |
| 38 | Marjorie Munier | 6 | Daughter | — | Massachusetts |
| 39 | Katherine Munier | 5 | Daughter | — | Massachusetts |
| 40 | Hilda Munier | 3 | Daughter | — | Massachusetts |
| 41 | Charles H Kellner | 48 | Head | Professor | Massachusetts |
| 42 | Emma W Kellner | 48 | Wife | — | New Hampshire |
| 43 | Muriel E Kellner | 21 | Daughter | Teacher | Massachusetts |
| 44 | Horace L Kellner | 20 | Son | — | Massachusetts |
| 45 | Roger M Kellner | 18 | Son | Shoe Worker | Massachusetts |
| 46 | Mary W Kellner | 16 | Daughter | — | Massachusetts |
| 47 | Barbara Kellner | 14 | Daughter | — | Vermont |
| 48 | Daniel O English | 40 | Head | Manager | New Hampshire |
| 49 | Mabel W English | 36 | Wife | — | Maine |
| 50 | Daniel O Jr English | 11 | Son | — | Maine |
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)