JC
John Crane — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Crane across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Crane |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Helper |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Helper |
| Township / Ward | Cambridge |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Crane | Son | — | 21 | ~1909 |
| Edward Crane | Son | — | 16 | ~1914 |
| Timothy Crane | Head | — | 57 | ~1873 |
| Timothy Crane | Son | — | 19 | ~1911 |
| Annie Crane | Spouse | — | 56 | ~1874 |
| Anna Crane | Daughter | — | 24 | ~1906 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1909 — 6 household members
| Surname | Crane |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Helper |
| Industry | Contracting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cron |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | Assistant Executive |
| Industry | Chemical Company |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 4000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Crane across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Crane
Son · 1930 · age 21 · b. ~1909 · Massachusetts
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Sibling
Timothy Crane
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Crane
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Crane
Sibling · 1930 · age 24
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
50 people indexed on this census page (ia:1930:massachusettscensus00reel915:1100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Raymond | 49 | Head | Waitress | Massachusetts |
| 2 | William J. Hutchinson | 69 | Head | Carpenter | Canada-English |
| 3 | Eliza A. Hutchinson | 66 | Wife | — | Canada-English |
| 4 | Emma Hutchinson | 40 | Daughter | Secretary | Canada-English |
| 5 | Gladys Hutchinson | 37 | Daughter | — | Massachusetts |
| 6 | Clayton Landers | 59 | Head | Machinist | Maine |
| 7 | Mary Landers | 58 | Wife | — | Massachusetts |
| 8 | Ethel Landers | 21 | Daughter | Stenographer | Massachusetts |
| 9 | Timothy Crane | 57 | Head | Officer | Ireland |
| 10 | Annie Crane | 56 | Wife | — | Ireland |
| 11 | Anna Crane | 24 | Daughter | Stenographer | Massachusetts |
| 12 | John Crane THIS PERSON | 21 | Son | Helper | Massachusetts |
| 13 | Timothy Crane | 19 | Son | — | Massachusetts |
| 14 | Edward Crane | 16 | Son | — | Massachusetts |
| 15 | Andrew Hazlett | 62 | Head | Recorder | Ireland |
| 16 | Lettie B. Hazlett | 59 | Wife | — | Massachusetts |
| 17 | Margaret Ayres | 87 | Mother-in-law | — | New Brunswick |
| 18 | James Martin | 52 | Head | — | Germany |
| 19 | Evelyn Crocker | 30 | Daughter | Bookkeeper | Massachusetts |
| 20 | Richard Crocker | 8 | Grandson | — | Maine |
| 21 | George Doran | 28 | Boarder | Clerk | Maine |
| 22 | Einar Thidemann | 23 | Head | Draftsman | Norway |
| 23 | Dagna Thidemann | 23 | Wife | — | Norway |
| 24 | Colga Gaell | 24 | Boarder | Consultant | Sweden |
| 25 | Walter Blair | 66 | Head | — | Massachusetts |
| 26 | Timothy Hanley | 45 | Head | Janitor | Ireland |
| 27 | Annie Hanley | 43 | Wife | — | Ireland |
| 28 | Shelburne Gibson | 34 | Head | — | Alabama |
| 29 | Eunice Gibson | 32 | Wife | — | Alabama |
| 30 | Thelma Gibson | 8 | Daughter | — | Alabama |
| 31 | Edith M. Mcneil | 38 | Head | Operator | Maine |
| 32 | Lillian E. Mcneil | 17 | Daughter | Packer | Massachusetts |
| 33 | Mary E. Callon | 48 | Boarder | Operator | New Brunswick |
| 34 | Frances Greene | 78 | Head | — | New Hampshire |
| 35 | Mary M. Greene | 49 | Daughter | Principal | Massachusetts |
| 36 | William Riley | 28 | Head | Pressman | Massachusetts |
| 37 | Dorothy Riley | 30 | Wife | Packer | Massachusetts |
| 38 | James Shore | 71 | Head | Machinist | England |
| 39 | Emma M. Shore | 61 | Wife | — | Maine |
| 40 | Mary J. Driscoll | 35 | Head | Office Manager | Massachusetts |
| 41 | Nancy Jordan | 27 | Head | Health Worker | Massachusetts |
| 42 | Louise Piper | 24 | Boarder | Dietician | Massachusetts |
| 43 | Christian Anderson | 54 | Head | Chauffeur | Denmark |
| 44 | Betty Anderson | 59 | Wife | — | Denmark |
| 45 | Celine M. Anderson | 20 | Daughter | Clerk | Massachusetts |
| 46 | Grant C. Mepham | 30 | Head | Office Manager | Massachusetts |
| 47 | Edith M. Mepham | 24 | Wife | Clerk | Massachusetts |
| 48 | Modesta Clausen | 78 | Head | Binder | Massachusetts |
| 49 | Adeline Knight | 78 | Lodger | Binder | Massachusetts |
| 50 | Julia D. Carroll | 60 | Head | — | Ireland |
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)