JC
John Connelly — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Connelly across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Ellen — first a head (b.~1903), then head of a 3-person household.
Age 27
b. ~1903
Male
Head
Born: Penna
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Penna |
| Age at First Marriage | 21 |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Occupation | Plumbing Mech |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Plumbing Mech |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1903 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Connelly | Head | — | 27 | ~1903 |
| Betty Connelly | Daughter | — | 4 | ~1926 |
| Rachel Connelly | Spouse | — | 26 | ~1904 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Head, age 27
Philadelphia, Pennsylvania · implied b. ~1903 — 3 household members
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Penna |
| Age at First Marriage | 21 |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Plumbing Mech |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
Son, age 38
Philadelphia-County, Pennsylvania · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | Helper |
| Industry | Plumber |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Connelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Connolly (~0.92 confidence) and mother Ellen Connolly (~0.92 confidence) and father Jeremiah Connelly (~0.92 confidence) and mother Mary Connelly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Connolly
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ellen Connolly
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Jeremiah Connelly
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Connelly
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Connelly
Head · 1930 · age 27 · b. ~1903 · Pennsylvania
★ You are viewing this record
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2135:0451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vernon Betts | 8 | Son | None | Penna |
| 2 | Florence Betts | 59 | Mother-in-law | None | Penna |
| 3 | Francis Carey | 21 | Head | Driver | Penna |
| 4 | Yvonne Carey | 20 | Wife | None | Penna |
| 5 | Florence Carey | 1 | Daughter | None | Penna |
| 6 | Albert Struve | 60 | Head | Contractor | Germany |
| 7 | Elizabeth Struve | 52 | Wife | None | Penna |
| 8 | Nellie Struve | 25 | Daughter | Looper | Penna |
| 9 | Elizabeth Struve | 21 | Daughter | Examiner | Penna |
| 10 | George Struve | 20 | Son | Carpenter | Penna |
| 11 | Grace Struve | 13 | Daughter | None | Penna |
| 12 | Mona Struve | 10 | Daughter | None | Penna |
| 13 | Harriet Struve | 7 | Daughter | None | Penna |
| 14 | Alfred G. Bacon | 32 | Head | Plumbing | Penna |
| 15 | Katherine Bacon | 31 | Wife | Hairdresser | Penna |
| 16 | Alfred Bacon | 4 | Son | None | Penna |
| 17 | Robert Bacon | 3 | Son | None | New Jersey |
| 18 | Estelle Shingle | 22 | Maid | Servant | Penna |
| 19 | William Mills | 35 | Head | Inspector | Penna |
| 20 | Cynthia Mills | 32 | Wife | None | Germany |
| 21 | Anna Jacobs | 16 | Niece | Filling | Penna |
| 22 | Nathan Clarence | 32 | Head | Proprietor | Russia |
| 23 | Bessie Clarence | 27 | Wife | None | Russia |
| 24 | Frank Clarence | 3 | Son | None | Penna |
| 25 | John Gilmer | 21 | Head | Boiler Maker | South Carolina |
| 26 | Marie Gilmer | 22 | Wife | None | Penna |
| 27 | Oscar Mann | 29 | Head | Knitter | Penna |
| 28 | Lydia Mann | 27 | Wife | None | Penna |
| 29 | Theda Elser | 72 | Mother | None | Germany |
| 30 | Edward Wise | 76 | Head | None | Germany |
| 31 | Elizabeth Wise | 51 | Daughter | None | Penna |
| 32 | John Fuchs | 58 | Head | Reed Worker | Hungary |
| 33 | Magdalena Fuchs | 46 | Wife | None | Hungary |
| 34 | Harry Anderson | 32 | Head | Railroad Clerk | Penna |
| 35 | Charlotte Anderson | 31 | Wife | None | Delaware |
| 36 | Patricia Anderson | 5 | Daughter | None | Penna |
| 37 | Gloria Anderson | 1 | Daughter | None | Penna |
| 38 | John Donaghy | 29 | Head | Machinist | England |
| 39 | Sadie Donaghy | 25 | Wife | Reeler | Penna |
| 40 | Helen Donaghy | 3 | Daughter | None | Penna |
| 41 | John Connelly THIS PERSON | 27 | Head | Plumbing Mech | Penna |
| 42 | Rachel Connelly | 26 | Wife | None | Penna |
| 43 | Betty Connelly | 4 | Daughter | None | Penna |
| 44 | Josie Melon | 52 | Head | Housework | Penna |
| 45 | Catherine Melon | 27 | Daughter | Credit Manager | Penna |
| 46 | Theodore Richter | 34 | Head | Sheet Metal Worker | Penna |
| 47 | Anna Richter | 24 | Wife | None | Penna |
| 48 | Anna Richter | 1 | Daughter | None | Penna |
| 49 | Russell Flouch | 23 | Head | Salesman | Penna |
| 50 | Louise Flouch | 25 | Wife | Tapper | Penna |
Related Census Records
Pedigree Summary
John
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)