MC
Mary Connelly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Connelly across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 53
b. ~1877
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Connelly |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1877 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Connelly | Spouse | — | 53 | ~1877 |
| Francis Connelly | Son | — | 22 | ~1908 |
| John Connelly | Son | — | 25 | ~1905 |
| John Connelly | Head | — | 60 | ~1870 |
Census Appearances
1910
Philadelphia, Pennsylvania
Spouse, age 34
Philadelphia, Pennsylvania · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 18 |
| Children Born | 10 |
| Children Living | 5 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Spouse, age 45
Philadelphia, Pennsylvania · implied b. ~1875 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Spouse, age 53
Philadelphia, Pennsylvania · implied b. ~1877 — 4 household members
| Surname | Connelly |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| 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 Mary Connelly across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Connelly
Spouse · 1930 · age 53 · b. ~1877 · Pennsylvania
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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:fifteenthcensus00reel2130rs:0142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Boyle | 38 | Head | Plumber | Pennsylvania |
| 52 | Anna Boyle | 37 | Wife | — | Pennsylvania |
| 53 | Helen Boyle | 4 | Daughter | — | Pennsylvania |
| 54 | Joseph Boyle | 5 | Son | — | Pennsylvania |
| 55 | Joan Boyle | 2 | Daughter | — | Pennsylvania |
| 56 | Nancy Boyle | 1 | Daughter | — | Pennsylvania |
| 57 | Charles Barry | 29 | Head | Elevator Erector | Pennsylvania |
| 58 | Mary Barry | 26 | Wife | — | Pennsylvania |
| 59 | Charles Barry | 4 | Son | — | Pennsylvania |
| 60 | Jacqueline Barry | 1 | Daughter | — | Pennsylvania |
| 61 | Leon Segall | 45 | Head | Cutter | Russia |
| 62 | Rachael Segall | 44 | Wife | — | Russia |
| 63 | Samuel Segall | 29 | Son | Watchmaker | Russia |
| 64 | Nathan Segall | 24 | Son | Delivery Boy | Russia |
| 65 | Peter L. Helm | 46 | Head | Chauffeur | Delaware |
| 66 | Elizabeth J. Helm | 46 | Wife | Operator | Delaware |
| 67 | Marion Helm | 17 | Daughter | Wrapper | Pennsylvania |
| 68 | Margaret J. Helm | 10 | Daughter | — | Pennsylvania |
| 69 | William Hope | 45 | Head | Sales Representative | Kentucky |
| 70 | Lucille Hope | 34 | Wife | — | Kentucky |
| 71 | Valerie Hope | 8 | Daughter | — | Kentucky |
| 72 | Gertrude Hope | 21 | Sister-in-law | Installer | Kentucky |
| 73 | William Flynn | 55 | Head | Blacksmith | Pennsylvania |
| 74 | Catherine Flynn | 50 | Wife | — | Pennsylvania |
| 75 | Mildred Flynn | 23 | Daughter | Supervisor | Pennsylvania |
| 76 | James Dalton | 40 | Head | Erector | Pennsylvania |
| 77 | Bessie Dalton | 41 | Wife | — | Pennsylvania |
| 78 | John Dalton | 15 | Son | Wrapper | Pennsylvania |
| 79 | George Dalton | 8 | Son | — | Pennsylvania |
| 80 | Edith Dalton | 14 | Daughter | — | Pennsylvania |
| 81 | Violet Dalton | 19 | Daughter | Operator | Pennsylvania |
| 82 | Earl Dalton | 17 | Son | Surveyor Helper | Pennsylvania |
| 83 | John J. Connelly | 60 | Head | Machinist | Pennsylvania |
| 84 | Mary S. Connelly THIS PERSON | 53 | Wife | — | Pennsylvania |
| 85 | John J. Connelly | 25 | Son | Chauffeur | Pennsylvania |
| 86 | Francis O. Connelly | 22 | Son | Order Clerk | Pennsylvania |
| 87 | William Tindale | 35 | Head | Truck Driver | Pennsylvania |
| 88 | Catherine Tindale | 21 | Wife | — | Pennsylvania |
| 89 | William Tindale | 3 | Son | — | Pennsylvania |
| 90 | Dorothy Tindale | 1 | Daughter | — | Pennsylvania |
| 91 | Hans Swanson | 46 | Head | Building Supt. | France |
| 92 | Isabella Swanson | 38 | Wife | — | Scotland |
| 93 | Isabella R. Swanson | 2 | Daughter | — | Pennsylvania |
| 94 | Frank Brew | 49 | Head | Fireman | Germany |
| 95 | Elizabeth Brew | 42 | Wife | — | England |
| 96 | Theodore J. Jones | 42 | Head | Checker | Pennsylvania |
| 97 | Mary J. Jones | 30 | Wife | — | Georgia |
| 98 | Gardner Margaret Jones | 58 | Sister-in-law | Wrapper | Pennsylvania |
| 99 | Thomas S. Livingston | 37 | Head | Highway Inspector | Pennsylvania |
| 100 | Eleanor Livingston | 30 | Wife | — | New York |
Related Census Records
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)