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James Connelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this James Connelly across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1920 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Martin Connelly | Son | — | 20 | ~1910 |
| Michael Connelly | Head | — | 58 | ~1872 |
| John Connelly | Son | — | 24 | ~1906 |
| Sarah Connelly | Other | — | 53 | ~1877 |
| James Connelly | Son | — | 10 | ~1920 |
| Patrick Connelly | Son | — | 22 | ~1908 |
| Mary Connelly | Daughter | — | 17 | ~1913 |
| Margaret Connelly | Daughter | — | 15 | ~1915 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 8 household members
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 21
Middlesex-County, Massachusetts · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | W.P.A. Sewer Project |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 988 |
| 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 James Connelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Connelly
Son · 1930 · age 10 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Patrick Connelly
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Connelly
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Connelly
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Connelly
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Connelly
Sibling · 1930 · age 17
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel947:0503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alfred Walsh | 19 | Head | Grader | New York |
| 52 | Thomas W Walsh | 14 | Son | — | Maine |
| 53 | Mary E Walsh | 12 | Daughter | — | Maine |
| 54 | Frederick C Walsh | 10 | Son | — | Maine |
| 55 | Martin G Walsh | 9 | Son | — | Maine |
| 56 | Catherine A Walsh | 7 | Daughter | — | Maine |
| 57 | John J Walsh | 4 | Son | — | Maine |
| 58 | Timothy Mccarthy | 53 | Head | Clerk | Irish Free State |
| 59 | Mary Mccarthy | 50 | Wife-H | — | Irish Free State |
| 60 | Jeremiah Mccarthy | 22 | Son | Drug Clerk | Massachusetts |
| 61 | John Mccarthy | 20 | Son | Elevator Oper. | Massachusetts |
| 62 | Timothy Mccarthy | 19 | Son | Clerk | Massachusetts |
| 63 | Andrew Mccarthy | 16 | Son | — | Massachusetts |
| 64 | Marie Mccarthy | 15 | Daughter | — | Massachusetts |
| 65 | Catherine Mccarthy | 13 | Daughter | — | Massachusetts |
| 66 | Joseph Mccarthy | 11 | Son | — | Massachusetts |
| 67 | Rita Mccarthy | 9 | Daughter | — | Massachusetts |
| 68 | Grover Fryer | 35 | Head | Iron Worker | Pennsylvania |
| 69 | Mary Fryer | 33 | Wife-H | — | Maine |
| 70 | Helen Fryer | 14 | Daughter | — | Maine |
| 71 | John Fryer | 11 | Son | — | Pennsylvania |
| 72 | Mary Fryer | 6 | Daughter | — | Massachusetts |
| 73 | Virginia Fryer | 2 | Daughter | — | Massachusetts |
| 74 | Delia O'Donnell | 70 | Aunt | — | Irish Free State |
| 75 | William H Sullivan | 42 | Head | Operator Stat. | Massachusetts |
| 76 | Emily G Sullivan | 38 | Wife-H | — | Massachusetts |
| 77 | Richard J Fitzgerald | 65 | Head | Granite Cutter | Irish Free State |
| 78 | Mary A Fitzgerald | 65 | Wife-H | — | Irish Free State |
| 79 | William J Fitzgerald | 35 | Son | Machine Operator | Massachusetts |
| 80 | Mary E Cyrra | 17 | Grand-daughter | — | Massachusetts |
| 81 | Mary Foley | 64 | Head-H | — | Irish Free State |
| 82 | John J Foley | 44 | Son (Step) | Clerk | Massachusetts |
| 83 | Thomas V Foley | 37 | Son | Train-Man | Massachusetts |
| 84 | Madeline M Foley | 17 | Grand-daughter | Checker | Massachusetts |
| 85 | Thomas Jr. Foley | 15 | Grand-son | — | Massachusetts |
| 86 | Martin O'Toole | 34 | Head | Laborer | Irish Free State |
| 87 | Mary O'Toole | 30 | Wife-H | — | Irish Free State |
| 88 | Mary O'Toole | 5 | Daughter | — | Massachusetts |
| 89 | Michael Connelly | 58 | Head | None - On Acct Of Accident To Leg. | Irish Free State |
| 90 | Sarah Connelly | 53 | Wife-H | — | Irish Free State |
| 91 | John Connelly | 24 | Son | Clerk | Irish Free State |
| 92 | Patrick Connelly | 22 | Son | Machinist | Massachusetts |
| 93 | Martin Connelly | 20 | Son | Clerk | Massachusetts |
| 94 | Mary Connelly | 17 | Daughter | — | Massachusetts |
| 95 | Margaret Connelly | 15 | Daughter | — | Massachusetts |
| 96 | James Connelly THIS PERSON | 10 | Son | — | Massachusetts |
| 97 | Mary Walker | 39 | Head-H | — | Massachusetts |
| 98 | Michael Walker | 44 | Brother | Laborer | Massachusetts |
| 99 | Peter J Walker | 41 | Brother | Carpenter | Massachusetts |
| 100 | Gertrude Walker | 19 | Sister | Teleph. Operator | Massachusetts |
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)