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John Casey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Casey across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 10-person household.
Age 21
b. ~1899
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Casey |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| 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 | Somerville City |
| Est. Birth Year | ~1899 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Casey | Daughter | — | 13 | ~1907 |
| Elizabeth Casey | Daughter | — | 11 | ~1909 |
| Catherine Casey | Daughter | — | 19 | ~1901 |
| Mary Casey | Daughter | — | 18 | ~1902 |
| Thomas Casey | Head | — | 45 | ~1875 |
| John Casey | Son | — | 21 | ~1899 |
| Francis Casey | Son | — | 5 | ~1915 |
| William Casey | Son | — | 8 | ~1912 |
| Thomas Casey | Son | — | 22 | ~1898 |
| Catherine Casey | Spouse | — | 51 | ~1869 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Can. English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1899 — 10 household members
| Surname | Casey |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| 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 Casey across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Casey
Son · 1920 · age 21 · b. ~1899 · Massachusetts
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Sibling
Catherine Casey
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Casey
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Casey
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Casey
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Casey
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Casey
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Casey
Sibling · 1920 · age 22
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:1920:14thcensusofpopu717unit:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry Bryant | 42 | Head | Letter Carrier | Canada |
| 52 | Elizabeth Bryant | 41 | Wife | — | Ireland |
| 53 | Lillian M Bryant | 18 | Daughter | Stenographer | Massachusetts |
| 54 | Edna M Bryant | 17 | Daughter | — | Massachusetts |
| 55 | Mary Smith | 60 | Head | — | Massachusetts |
| 56 | James J Smith | 33 | Son | — | Massachusetts |
| 57 | George H Smith | 21 | Son | — | Massachusetts |
| 58 | William White | 55 | Brother | Shipper | Massachusetts |
| 59 | Ellen Ready | 52 | Head | — | Ireland |
| 60 | James Ready | 24 | Son | Operator | Massachusetts |
| 61 | Helen Ready | 20 | Daughter | Operator | Massachusetts |
| 62 | Catherine Ready | 17 | Daughter | Operator | Massachusetts |
| 63 | William Ready | 15 | Son | — | Massachusetts |
| 64 | Margaret Ready | 10 | Daughter | — | Massachusetts |
| 65 | William Shea | 46 | Head | Shipper | Massachusetts |
| 66 | Elizabeth Shea | 38 | Wife | — | Massachusetts |
| 67 | William Shea | 14 | Son | Elevator Helper | Massachusetts |
| 68 | Marion Shea | 12 | Daughter | — | Massachusetts |
| 69 | Kathleen Shea | 8 | Daughter | — | Massachusetts |
| 70 | Doris Shea | 5 | Daughter | — | Massachusetts |
| 71 | Eugene Riorden | 34 | Head | Driver | Ireland |
| 72 | Mary Riorden | 34 | Wife | — | Ireland |
| 73 | John J Riorden | 10 | Son | — | Massachusetts |
| 74 | Mary Riorden | 3 | Daughter | — | Massachusetts |
| 75 | Agnes Riorden | 1 | Daughter | — | Massachusetts |
| 76 | Jeremiah Donoghue | 25 | Boarder | Night Porter | Ireland |
| 77 | James Mccabe | 70 | Head | Janitor | Massachusetts |
| 78 | Sarah M Mccabe | 35 | Son | Packer | Massachusetts |
| 79 | Nellie Mccabe | 30 | Daughter | — | Massachusetts |
| 80 | Bernard Mccabe | 26 | Son | Layman | Massachusetts |
| 81 | James Mccabe | 5 | Grandson | — | Massachusetts |
| 82 | Daniel Kelly | 63 | Head | Laborer | Ireland |
| 83 | Annie Kelly | 52 | Wife | — | Ireland |
| 84 | Dennis Kelly | 28 | Son | Janitor | Massachusetts |
| 85 | Mary Kelly | 21 | Daughter | Operator | Massachusetts |
| 86 | Thomas Casey | 45 | Head | Janitor | Massachusetts |
| 87 | Catherine Casey | 51 | Wife | — | Massachusetts |
| 88 | Thomas P Casey | 22 | Son | Shipper | Massachusetts |
| 89 | John J Casey THIS PERSON | 21 | Son | — | Massachusetts |
| 90 | Catherine Casey | 19 | Daughter | Cementer | Massachusetts |
| 91 | Mary Casey | 18 | Daughter | — | Massachusetts |
| 92 | Gertrude Casey | 13 | Daughter | — | Massachusetts |
| 93 | Elizabeth Casey | 11 | Daughter | — | Massachusetts |
| 94 | William Casey | 8 | Son | — | Massachusetts |
| 95 | Francis Casey | 5 | Son | — | Massachusetts |
| 96 | Michael Cullen | 55 | Head | Hostler | Ireland |
| 97 | Margaret Cullen | 59 | Wife | — | Massachusetts |
| 98 | Isabel J Cullen | 23 | Daughter | Bookkeeper | Massachusetts |
| 99 | Alice Cullen | 21 | Daughter | Stenographer | Massachusetts |
| 100 | Ellen J Cullen | 19 | Daughter | — | 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)