JC
John Connell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Connell across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Daniel & Mary — first a son (b.~1897), then head of a 8-person household.
Age 33
b. ~1897
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Connell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plasterer |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Walter Connell | Son | — | 26 | ~1904 |
| William Connell | Son | — | 37 | ~1893 |
| Nellie Connell | Spouse | — | 61 | ~1869 |
| Ralph Connell | Son | — | 24 | ~1906 |
| Joseph Connell | Head | — | 66 | ~1864 |
| John Connell | Son | — | 33 | ~1897 |
| Robert Connell | Son | — | 19 | ~1911 |
| Annie Connell | Daughter | — | 35 | ~1895 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connell |
| Given Name | John L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 33
Middlesex, Massachusetts · implied b. ~1897 — 8 household members
| Surname | Connell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Plasterer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | 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 Connell across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Daniel Connell (~0.92 confidence) and mother Mary Connell (~0.92 confidence) and father Joseph Connell (~0.92 confidence) and mother Nellie Connell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Connell
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Mary Connell
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Joseph Connell
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Nellie Connell
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Connell
Son · 1930 · age 33 · b. ~1897 · Massachusetts
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Sibling
Ralph Connell
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Connell
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Connell
Sibling · 1930 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Connell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Connell
Sibling · 1930 · age 37
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
49 people indexed on this census page (ia:1930:15thcensuspopula917unit:0505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rosa Larose | 47 | Head | — | Massachusetts |
| 52 | David Larose | 22 | Son | Chauffeur | Massachusetts |
| 53 | Eugene Larose | 18 | Son | Waitell | Massachusetts |
| 54 | Harvey Larose | 15 | Son | — | Massachusetts |
| 55 | Nataland Larose | 12 | Son | — | Massachusetts |
| 56 | Clifton Larose | 10 | Son | — | Massachusetts |
| 57 | Virginia Larose | 3 | Daughter | — | Massachusetts |
| 58 | George Peters | 27 | Head | Carpenter | Vermont |
| 59 | Lottie Peters | 24 | Wife | — | Massachusetts |
| 60 | Beatrice Peters | 1 | Daughter | — | Massachusetts |
| 61 | John J. Coughlin | 44 | Head | Helper | Massachusetts |
| 62 | Lillian Coughlin | 45 | Sister | Forelady | Massachusetts |
| 63 | Mary Coughlin | 16 | Daughter | — | Massachusetts |
| 64 | Joseph J. Foley | 59 | Head | Carpenter | Massachusetts |
| 65 | Sarah A. Foley | 56 | Wife | — | Massachusetts |
| 66 | Mary R. Foley | 28 | Daughter | Clerk | Massachusetts |
| 67 | Margaret Foley | 26 | Daughter | Clerk | Massachusetts |
| 68 | William Foley | 24 | Son | Mechanic | Massachusetts |
| 69 | Anna M. Foley | 22 | Daughter | Clerk | Massachusetts |
| 70 | Joseph J. Foley | 21 | Son | Clerk | Massachusetts |
| 71 | Claire M. Foley | 17 | Daughter | Operator | Massachusetts |
| 72 | Augusta Foley | 14 | Son | — | Massachusetts |
| 73 | Thomas Foley | 12 | Son | — | Massachusetts |
| 74 | Philip Foley | 62 | Head | Manager | Massachusetts |
| 75 | Catherine Foley | 51 | Sister | — | Massachusetts |
| 76 | Hannah Donovan | 82 | Boarder | — | Massachusetts |
| 77 | Daniel Lunn | 63 | Head | Letter Carrier | Massachusetts |
| 78 | Mary Lunn | 60 | Wife | — | Massachusetts |
| 79 | Albert Lunn | 23 | Son | Clerk | Massachusetts |
| 80 | Edward Crowley | 47 | Head | Painter | England |
| 81 | Ellen Crowley | 47 | Wife | — | Massachusetts |
| 82 | Eleanor Crowley | 14 | Daughter | — | Massachusetts |
| 83 | Ruth Crowley | 11 | Daughter | — | Massachusetts |
| 84 | Emma Baguemay | 45 | Boarder | — | Russia |
| 85 | Peter Roche | 63 | Head | Clerk | Massachusetts |
| 86 | Matilda Roche | 63 | Wife | — | Massachusetts |
| 87 | Annie Kane | 60 | Sister | Cook | Massachusetts |
| 88 | Joseph Connell | 66 | Head | Plasterer | Massachusetts |
| 89 | Nellie Connell | 61 | Wife | — | Massachusetts |
| 90 | William Connell | 37 | Son | Plasterer | Massachusetts |
| 91 | Annie Connell | 35 | Daughter | Saleslady | Massachusetts |
| 92 | John Connell THIS PERSON | 33 | Son | Plasterer | Massachusetts |
| 93 | Walter Connell | 26 | Son | Plasterer | Massachusetts |
| 94 | Robert Connell | 19 | Son | Plasterer | Massachusetts |
| 95 | Ralph H. Connell | 24 | Son | Chauffeur | Massachusetts |
| 96 | Edward Lannon | 31 | Head | Police Officer | Massachusetts |
| 97 | Julia Lannon | 31 | Wife | — | Italy |
| 98 | Matthew Howe | 40 | Head | Plasterer | Massachusetts |
| 99 | Alice Howe | 40 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
John + 5 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)