JC
James Connelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this James Connelly across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 11-person household.
Age 18
b. ~1912
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Messenger |
| Industry | Bankers Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Messenger |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1912 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Connelly | Son | — | 22 | ~1908 |
| William Connelly | Son | — | 9 | ~1921 |
| Margaret Connelly | Spouse | — | 45 | ~1885 |
| Joseph Connelly | Son | — | 15 | ~1915 |
| Mary Connelly | Other | — | 4 | ~1926 |
| James Connelly | Son | — | 18 | ~1912 |
| Francis Connelly | Son | — | 6 | ~1924 |
| Thomas Connelly | Son | — | 20 | ~1910 |
| Margaret Connelly | Other | — | 1 | ~1929 |
| James Connelly | Head | — | 47 | ~1883 |
| Mary Connelly | Daughter | — | 22 | ~1908 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 11 household members
| Surname | Connelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Messenger |
| Industry | Bankers Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 29
Philadelphia-County, Pennsylvania · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Clerk |
| Industry | Electric Transportation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 18 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Connelly
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Connelly
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Connelly
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Connelly
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Connelly
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Connelly
Sibling · 1930 · age 20
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
23 people indexed on this census page (ia:1930:fifteenthcensus00reel2100:0092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Connelly | 47 | Head | Elevator Operator | Pennsylvania |
| 52 | Margaret Connelly | 45 | Wife | — | Pennsylvania |
| 53 | John Connelly | 22 | Son | Time Operator | Pennsylvania |
| 54 | Thomas Connelly | 20 | Son | Bookkeeper | Pennsylvania |
| 55 | James Connelly THIS PERSON | 18 | Son | Messenger | Pennsylvania |
| 56 | Joseph Connelly | 15 | Son | — | Pennsylvania |
| 57 | William Connelly | 9 | Son | — | Pennsylvania |
| 58 | Francis Connelly | 6 | Son | — | Pennsylvania |
| 59 | Mary Connelly | 22 | Daughter | — | Pennsylvania |
| 60 | Mary M. Connelly | 4 | Granddaughter | — | Pennsylvania |
| 61 | Margaret Connelly | 1 | Granddaughter | — | Pennsylvania |
| 62 | Samuel R. Dayer | 54 | Head | Plumber | Pennsylvania |
| 63 | Anna Dayer | 51 | Wife | — | Pennsylvania |
| 64 | Samuel Dayer | 22 | Son | Plumber | Pennsylvania |
| 65 | Charles Schubert | 64 | Head | Officer | Pennsylvania |
| 66 | Mary E. Schubert | 62 | Wife | — | Pennsylvania |
| 67 | John Rice | 55 | Uncle | — | Pennsylvania |
| 68 | Julia Rice | 55 | Aunt | — | Pennsylvania |
| 69 | James Rice | 51 | Uncle | — | Pennsylvania |
| 70 | Frank Belcher | 52 | Head | — | Pennsylvania |
| 71 | Sarah Belcher | 50 | Wife | — | Pennsylvania |
| 72 | Frank Belcher | 22 | Son | — | Pennsylvania |
| 73 | William Belcher | 18 | Son | — | Pennsylvania |
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)