JC
John Connolly — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Connolly across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Mary — first a son (b.~1905), then head of a 5-person household.
Age 25
b. ~1905
Male
Son
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Elec. Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Mechanic |
| Township / Ward | Phila City |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Connolly | Daughter | — | 27 | ~1903 |
| John Connolly | Son | — | 10 | ~1920 |
| Patrick Connolly | Head | — | 54 | ~1876 |
| John Connolly | Son | — | 25 | ~1905 |
| Bridget Connolly | Spouse | — | 50 | ~1880 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 25
Philadelphia, Pennsylvania · implied b. ~1905 — 5 household members
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mechanic |
| Industry | Elec. Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 John Connolly across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Connelly (~0.92 confidence) and mother Mary Connelly (~0.92 confidence) and father Patrick Connolly (~0.92 confidence) and father William Connelly (~0.92 confidence) and mother Bridget Connolly (~0.92 confidence) and mother Matilda Connelly (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Connelly
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Connelly
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Patrick Connolly
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Connelly
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Bridget Connolly
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Matilda Connelly
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Connolly
Son · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Helen Connolly
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Connolly
Sibling · 1930 · age 10
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
42 people indexed on this census page (ia:1930:fifteenthcensus00reel2130rs:0786)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Bordunt | 44 | Head | Machinist | Norway |
| 2 | Eva Bordunt | 32 | Wife | — | Pennsylvania |
| 3 | Martin Bordunt | 6 | Son | — | Pennsylvania |
| 4 | Ray Bordunt | 4 | Son | — | Pennsylvania |
| 5 | William Bodkin | 29 | Head | Carpenter | Pennsylvania |
| 6 | Anna Bodkin | 29 | Wife | — | Pennsylvania |
| 7 | Columbus Foder | 26 | Head | Bookkeeper | Pennsylvania |
| 8 | John Foder | 38 | Brother | Salesman | Pennsylvania |
| 9 | Helen Foder | 31 | Sister | — | Pennsylvania |
| 10 | Patrick Connolly | 54 | Head | Mechanic | Pennsylvania |
| 11 | Bridget Connolly | 50 | Wife | — | Pennsylvania |
| 12 | Helen Connolly | 27 | Daughter | Waitress | Pennsylvania |
| 13 | John Connolly THIS PERSON | 25 | Son | Mechanic | Pennsylvania |
| 14 | John Connolly | 10 | Son | — | Pennsylvania |
| 15 | John Loperty | 38 | Head | Salesman | Pennsylvania |
| 16 | Edith Loperty | 33 | Wife | — | Pennsylvania |
| 17 | Mary Loperty | 9 | Daughter | — | Pennsylvania |
| 18 | Beatrice Loperty | 7 | Daughter | — | Pennsylvania |
| 19 | George W. Cullins | 46 | Head | Inspector | Delaware |
| 20 | Katherine Cullins | 46 | Wife | — | Pennsylvania |
| 21 | Clayton Ely | 44 | Head | Train Man | Pennsylvania |
| 22 | Mae Ely | 36 | Wife | — | Pennsylvania |
| 23 | Joseph Deems | 44 | Head | Foreman | Pennsylvania |
| 24 | Rosetta Deems | 45 | Wife | — | Pennsylvania |
| 25 | Joseph Deems | 10 | Son | — | Pennsylvania |
| 26 | Margaret Deems | 8 | Daughter | — | Pennsylvania |
| 27 | Abraham J. Clayman | 44 | Head | Salesman | Pennsylvania |
| 28 | Clara Clayman | 43 | Wife | — | Pennsylvania |
| 29 | Matilda Montgomery | 48 | Head | — | Pennsylvania |
| 30 | Maud Tomlin | 42 | Daughter | — | Pennsylvania |
| 31 | Andrew Tomlin | 50 | Son-in-law | Chauffeur | Pennsylvania |
| 32 | Albert Broadstone | 28 | Boarder | — | Pennsylvania |
| 33 | Harry H. Mick | 44 | Head | Clerk | Pennsylvania |
| 34 | Katherine Mick | 39 | Wife | — | Pennsylvania |
| 35 | Anna Eliz. Mick | 16 | Daughter | — | Pennsylvania |
| 36 | Edna Mick | 14 | Daughter | — | Pennsylvania |
| 37 | Charles Haines | 56 | Head | Chauffeur | Pennsylvania |
| 38 | Carrie Haines | 54 | Wife | — | Pennsylvania |
| 39 | Ernest De Angelo | 30 | Head | Baker | Italy |
| 40 | Tissola De Angelo | 24 | Wife | — | Pennsylvania |
| 41 | Ernest De Angelo | 5 | Son | — | Pennsylvania |
| 42 | Josephine De Angelo | 2 | Daughter | — | Pennsylvania |
Related Census Records
Pedigree Summary
John + 2 siblings
Gen 1 · 6 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)