JC
John Connolly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Connolly across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Ellen — first a son (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Male
Son
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| 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 |
| Additional Details | |
| 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 |
| Occupation | Helper |
| Township / Ward | Phila |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Cathline | Other | — | 29 | ~1911 |
| John Connolly | Son | — | 38 | ~1902 |
| Joseph Connolly | Son | — | 29 | ~1911 |
| Ellen Connolly | Spouse | — | 60 | ~1880 |
| Thomas Connolly | Head | — | 68 | ~1872 |
| Alice Connolly | Daughter | — | 22 | ~1918 |
| George Connolly | Son | — | 35 | ~1905 |
| Mary Burns | Other | — | 60 | ~1880 |
| Charles Connolly | Son | — | 33 | ~1907 |
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 |
Head, age 27
Philadelphia, Pennsylvania · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| 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 |
1940
Philadelphia-County, Pennsylvania
Son, age 38
Philadelphia-County, Pennsylvania · implied b. ~1902 — 9 household members
| 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 Connolly 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 Connolly
Son · 1940 · age 38 · b. ~1902 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Connolly
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Connolly
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Connolly
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Connolly
Sibling · 1940 · age 33
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
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03724-01057)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Kane | 22 | Son | Helper Truck Driver | Penna |
| 42 | John J. Shanahan | 76 | Head | — | Penna |
| 43 | Nellie Shanahan | 80 | Wife | — | Nebraska |
| 44 | George Shanahan | 54 | Son | Clerk | Nebraska |
| 45 | William Wild | 75 | Head | — | Penna |
| 46 | Mary Wild | 76 | Wife | — | Penna |
| 47 | Harry S. Wild | 38 | Son | — | Penna |
| 48 | Alice S. Snyder | 61 | Head | — | Penna |
| 49 | Britton D. Snyder | 34 | Son | Stockman | Penna |
| 50 | Edward J. Hollins | 32 | Lodger | Loader | Penna |
| 51 | Harry V. Neff | 32 | Head | Draftsman | Penna |
| 52 | Helen Neff | 22 | Wife | — | Penna |
| 53 | James V. M. Frick | 43 | Head | Clerk | Penna |
| 54 | Anna M. Frick | 43 | Wife | — | Penna |
| 55 | James V. Frick | 17 | Son | New Worker | Penna |
| 56 | John A. Ford | 55 | Head | Mail Carrier | Penna |
| 57 | Helen T. Ford | 44 | Sister | — | Penna |
| 58 | Anna D. Gallagher | 65 | Head | — | N. Ireland |
| 59 | Hugh Gallagher | 33 | Son | Shipping Clerk | Penna |
| 60 | Evelyn Gallagher | 31 | Daughter | Stenographer | Penna |
| 61 | Margaret Kane | 36 | Daughter | Stenographer | Penna |
| 62 | Dolores Kane | 6 | Gr. Daughter | — | Penna |
| 63 | William Kane | 4 | Gr. Son | — | Penna |
| 64 | Kathryn Smith | 70 | Sister | — | N. Ireland |
| 65 | Chas. D. Grant | 50 | Head | Plumbing Heating | Penna |
| 66 | Thomas Connolly | 68 | Head | Carpet Dyer | Penna |
| 67 | Ellen Connolly | 60 | Wife | — | Irish F. St. |
| 68 | John Connolly THIS PERSON | 38 | Son | Helper | Penna |
| 69 | George Connolly | 35 | Son | Salesman | Penna |
| 70 | Charles Connolly | 33 | Son | Chauffeur | Penna |
| 71 | Joseph Connolly | 29 | Son | Pollent|Pollent | Penna |
| 72 | Alice Connolly | 22 | Daughter | Stenographer | Penna |
| 73 | Mary Burns | 60 | Sister-in-law | Saleswoman | Irish F. St. |
| 74 | Alice Cathline | 29 | Niece | Clerk | Penna |
| 75 | Jennie Jackson | 62 | Head | — | Penna |
| 76 | Matilda Carter | 19 | G. Daughter | — | Penna |
| 77 | Joseph Costello | 51 | Lodger | Brakeman | N. Ireland |
| 78 | Hugh Quigley | 43 | Lodger | Laborer | Penna |
Related Census Records
Pedigree Summary
John + 4 siblings
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 1940 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)