JC
James Crowley — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Crowley across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 7-person household.
Age 11
b. ~1909
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Crowley |
| Given Name | James Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| 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 | ~1909 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Crowley | Son | — | 14 | ~1906 |
| James Crowley | Son | — | 11 | ~1909 |
| Gertrude Crowley | Daughter | — | 15 | ~1905 |
| Herbert Crowley | Son | — | 12 | ~1908 |
| James Crowley | Head | — | 39 | ~1881 |
| Nora Crowley | Spouse | — | 36 | ~1884 |
| Ruth Crowley | Daughter | — | 6 | ~1914 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crowley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1909 — 7 household members
| Surname | Crowley |
| Given Name | James Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| 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 James Crowley across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
James Crowley
Son · 1920 · age 11 · b. ~1909 · Massachusetts
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Sibling
Gertrude Crowley
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Crowley
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Crowley
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Crowley
Sibling · 1920 · age 14
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:1920:14thcensusofpopu707unit:0832)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James J Herry | 60 | head | General Labor | Massachusetts |
| 52 | Nora A Herry | 57 | wife | None | Massachusetts |
| 53 | James Jr Crowley | 39 | head | Piano Action | Massachusetts |
| 54 | Nora Crowley | 36 | wife | None | Massachusetts |
| 55 | Gertrude Crowley | 15 | daughter | Assistant Librarian | Massachusetts |
| 56 | Lawrence Crowley | 14 | son | Office Boy | Massachusetts |
| 57 | Herbert Crowley | 12 | son | None | Massachusetts |
| 58 | James Jr Crowley THIS PERSON | 11 | son | None | Massachusetts |
| 59 | Ruth Crowley | 6 | daughter | None | Massachusetts |
| 60 | Albert Russell | 50 | head | Carpenter | Newfoundland |
| 61 | Frances Russell | 48 | wife | None | Newfoundland |
| 62 | Elizabeth Russell | 22 | daughter | Stitcher | Newfoundland |
| 63 | Stephen A Russell | 15 | son | Errand Boy | Newfoundland |
| 64 | Annie J Russell | 11 | daughter | None | Newfoundland |
| 65 | M Agnes Darland | 38 | head | None | England |
| 66 | Melvin E Darland | 16 | son | Packer | Massachusetts |
| 67 | George W Darland | 12 | son | None | Massachusetts |
| 68 | Frank A Darland | 8 | son | None | Massachusetts |
| 69 | Irene L Darland | 7 | daughter | None | Massachusetts |
| 70 | William J Darland | 5 | son | None | Massachusetts |
| 71 | Margaret B Darland | 1 | daughter | None | Massachusetts |
| 72 | Dennis J Connelly | 49 | head | Machinist | Ireland |
| 73 | Katherine Connelly | 40 | wife | None | Ireland |
| 74 | Ruth K Connelly | 18 | daughter | Packer | Massachusetts |
| 75 | Hannah R Connelly | 16 | daughter | Spool Winder | Massachusetts |
| 76 | John P Connelly | 13 | son | None | Massachusetts |
| 77 | Dennis J Jr Connelly | 10 | son | None | Massachusetts |
| 78 | Mary A Connelly | 9 | daughter | None | Massachusetts |
| 79 | Richard W Connelly | 8 | son | None | Massachusetts |
| 80 | Katherine M Connelly | 4 | daughter | None | Massachusetts |
| 81 | Daniel F Connelly | 1 | son | None | Massachusetts |
| 82 | John F Harrington | 49 | head | Laborer | Newfoundland |
| 83 | Elizabeth Harrington | 47 | wife | None | Massachusetts |
| 84 | Frances G Harrington | 16 | daughter | Machine Feeder | Massachusetts |
| 85 | Mary E Harrington | 15 | daughter | Dipper | Massachusetts |
| 86 | Margaret C Harrington | 13 | daughter | None | Massachusetts |
| 87 | Timothy W Harrington | 11 | son | None | Massachusetts |
| 88 | Agnes M Harrington | 8 | daughter | None | Massachusetts |
| 89 | Joseph Harrington | 1 | son | None | Massachusetts |
| 90 | John Tonry | 44 | head | Collar Maker | Massachusetts |
| 91 | Mary E Tonry | 43 | wife | None | Massachusetts |
| 92 | Charles E Tonry | 16 | son | None | Massachusetts |
| 93 | George R Tonry | 13 | son | None | California |
| 94 | John Tonry | 12 | son | None | California |
| 95 | Mary F Tonry | 9 | daughter | None | Massachusetts |
| 96 | Edward Tonry | 7 | son | None | New Hampshire |
| 97 | Francis Tonry | 3 | son | None | Massachusetts |
| 98 | Rita Tonry | 1 | daughter | None | Massachusetts |
| 99 | Eli Rose | 37 | head | Electrician | Newfoundland |
| 100 | Florence Rose | 33 | wife | None | Newfoundland |
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)