JC
James Connelly — 1930 US Census Record
Model Tree available1930 United States Federal Census · New York, New York
Our Model Tree links this James Connelly across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents Agnes & Mary — first a son (b.~1897), then head of a 18-person household.
Age 33
b. ~1897
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Manhattan Borough |
| 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.
18 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Connelly | Son | — | 33 | ~1897 |
| Mary Connelly | Head | — | 68 | ~1862 |
| James Murphy | Other | — | 40 | ~1890 |
| Daniel Connelly | Son | — | 31 | ~1899 |
| William Peterson | Other | — | 28 | ~1902 |
| William Wolf | Other | — | 35 | ~1895 |
| Bridges 213 | Other | — | — | |
| Margaret Tobin | Other | — | 19 | ~1911 |
| James Tobin | Other | — | 17 | ~1913 |
| Marin Antunovic | Other | — | 29 | ~1901 |
| John Peterson | Other | — | 30 | ~1900 |
| George Schultz | Other | — | 26 | ~1904 |
| Peter Mcgrath | Other | — | 25 | ~1905 |
| Thomas Tobin | Other | — | 60 | ~1870 |
| Peter Antunovic | Other | — | 27 | ~1903 |
| Joseph Tobin | Other | — | 25 | ~1905 |
| Katherine Tobin | Other | — | 21 | ~1909 |
| Patrick Lubins | Other | — | 52 | ~1878 |
Census Appearances
1920
New York, …
Son, age 21
New York, New York · implied b. ~1899 — 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 | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 33
New York, New York · implied b. ~1897 — 18 household members
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Head, age 44
New-York-County, New York · implied b. ~1896
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Connolly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | Concrete worker |
| Industry | construction building |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 756 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Agnes Connolly (~0.92 confidence) and mother Mary Connelly (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Agnes Connolly
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Connelly
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Connelly
Son · 1930 · age 33 · b. ~1897 · New York
★ You are viewing this record
Sibling
Daniel Connelly
Sibling · 1930 · age 31
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 — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1548:0483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary E Sheridan | 18 | Daughter | File Clerk | New York |
| 52 | Mary Ann Sheridan | 73 | Sister | Dressmaker | Ireland |
| 53 | Mary O'Connell | 63 | Head | Lace Work | Ireland |
| 54 | Bridget O'Connell | 50 | Sister | — | Ireland |
| 55 | Joseph Sutherland | 23 | Roomer | Fire Dept | Scotland |
| 56 | John Gallagher | 30 | Roomer | Watchman | Ireland |
| 57 | Patrick Sullivan | 31 | Roomer | Laborer | Ireland |
| 58 | George Cecil | 38 | Head | Upholsterer | Denmark |
| 59 | Margaret Cecil | 42 | Wife | — | New Hampshire |
| 60 | Leonard Cecil | 11 | Son | — | New York |
| 61 | Marie Cecil | 10 | Daughter | — | New York |
| 62 | George Cecil | 5 | Son | — | New York |
| 63 | Morris Deland | 70 | Head | Painter | France |
| 64 | Charlotte Deland | 70 | Wife | Dressmaker | France |
| 65 | Leonore Deland | 34 | Daughter | — | New York |
| 66 | Nicola Castillo | 48 | Head | Fireman | Italy |
| 67 | Anna Castillo | 43 | Wife | — | Italy |
| 68 | John Castillo | 13 | Son | — | New York |
| 69 | Josephine Castillo | 11 | Daughter | — | New York |
| 70 | Antoinette Castillo | 8 | Daughter | — | New York |
| 71 | Margaret Hatcher | 55 | Wife of Head | Janitress | New York |
| 72 | George Hatcher | 24 | Son | Watchman | New York |
| 73 | Mary Hatcher | 20 | Daughter | — | New York |
| 74 | — | None | — | — | — |
| 75 | — | None | — | — | — |
| 76 | Mary Connelly | 68 | Head | Janitress | Ireland |
| 77 | James Connelly THIS PERSON | 33 | Son | — | New York |
| 78 | Daniel Connelly | 31 | Son | Chauffeur | New York |
| 79 | Joseph Tobin | 25 | Nephew | Chauffeur | New York |
| 80 | Katherine Tobin | 21 | Niece | Packer | New York |
| 81 | Margaret Tobin | 19 | Niece | Bookbinder | New York |
| 82 | James Tobin | 17 | Nephew | Messenger | New York |
| 83 | Thomas Tobin | 60 | Brother-in-law | Laborer | Irish Free State |
| 84 | Patrick Lubins | 52 | Roomer | Longshoreman | Ireland |
| 85 | James Murphy | 40 | Roomer | Longshoreman | Ireland |
| 86 | William Wolf | 35 | Roomer | Laborer | New York |
| 87 | John Peterson | 30 | Roomer | — | New York |
| 88 | William Peterson | 28 | Roomer | Policeman | New York |
| 89 | George Schultz | 26 | Roomer | Counterman | Germany |
| 90 | Marin Antunovic | 29 | Roomer | — | Spain |
| 91 | Peter Antunovic | 27 | Roomer | Cabinet Maker | Spain |
| 92 | Peter Mcgrath | 25 | Roomer | Door Man | Louisiana |
| 93 | — | None | — | — | — |
| 94 | — | None | — | — | — |
| 95 | 211 | None | — | — | — |
| 96 | Bridges Lotti 213 | None | — | — | — |
| 97 | 215 | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Pedigree Summary
James + 1 sibling
Gen 1 · 2 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)