MC
Mary Connolly — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Connolly across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1904), then head of a 11-person household.
Age 16
b. ~1904
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Twenty Second |
| Est. Birth Year | ~1904 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Connolly | Son | — | 27 | ~1893 |
| Alice Amstadt | Other | — | 55 | ~1865 |
| Mary Connolly | Daughter | — | 16 | ~1904 |
| Agnes Connolly | Daughter | — | 20 | ~1900 |
| Catherine Connolly | Daughter | — | 23 | ~1897 |
| Gerald Connolly | Son | — | 19 | ~1901 |
| Johana Connolly | Spouse | — | 51 | ~1869 |
| Francis Connolly | Head | — | 57 | ~1863 |
| Joseph Connolly | Son | — | 25 | ~1895 |
| Henry Lewis | Other | — | 1 | ~1919 |
| Margaret Connolly | Daughter | — | 21 | ~1899 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 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
Daughter, age 16
Philadelphia, Pennsylvania · implied b. ~1904 — 11 household members
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Connolly across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connolly
Daughter · 1920 · age 16 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Connolly
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Connolly
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Connolly
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Connolly
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Connolly
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Connolly
Sibling · 1920 · age 27
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
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1622unit:0997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jacob J Brombach | 48 | Head | Letter Carrier | Pennsylvania |
| 52 | Mary Brombach | 50 | Wife | — | Pennsylvania |
| 53 | Jacob J Jr Brombach | 22 | Son | Clerk | Pennsylvania |
| 54 | Ralf Brombach | 18 | Son | Electrician | Pennsylvania |
| 55 | Julia Remer | 68 | Head | — | Pennsylvania |
| 56 | Ruth Remer | 42 | Adopted Daughter | — | Pennsylvania |
| 57 | William J Daly | 36 | Head | Signal Repairman | New York |
| 58 | Sarah E Daly | 28 | Wife | — | Pennsylvania |
| 59 | Nanette Daly | 7 | Daughter | — | Pennsylvania |
| 60 | John Daly | 6 | Son | — | New York |
| 61 | Schuyler Daly | 2 | Son | — | New York |
| 62 | Ambrose Jackson | 57 | Head | — | Pennsylvania |
| 63 | Alma M Jackson | 52 | Wife | Laundress | Pennsylvania |
| 64 | Mable Jackson | 29 | Daughter | Clerk | Connecticut |
| 65 | William S Jackson | 28 | Son | Machinist | Pennsylvania |
| 66 | Anna M Jackson | 21 | Daughter-in-law | — | New Jersey |
| 67 | William Jackson | 3 | Grand Son | — | New York |
| 68 | Geraldine Jackson | 1 | Daughter | — | Pennsylvania |
| 69 | Morris Kersel | 43 | Head | Manufacturer | Germany |
| 70 | Ida S Kersel | 42 | Wife | — | Pennsylvania |
| 71 | Harold Kersel | 18 | Son | Clerk | Pennsylvania |
| 72 | David Kersel | 17 | Son | — | Pennsylvania |
| 73 | Carolyn Kersel | 9 | Daughter | — | Pennsylvania |
| 74 | Moses Kersel | 6 | Son | — | Pennsylvania |
| 75 | Julia Daily | 23 | Servant | Servant | Virginia |
| 76 | Francis Connolly | 57 | Head | Machinist | Ireland |
| 77 | Johana Connolly | 51 | Wife | — | Ireland |
| 78 | John Connolly | 27 | Son | Machinist | Pennsylvania |
| 79 | Joseph Connolly | 25 | Son | Dentist | Pennsylvania |
| 80 | Catherine Connolly | 23 | Daughter | Telephone Operator | Pennsylvania |
| 81 | Margaret Connolly | 21 | Daughter | Stenographer | Pennsylvania |
| 82 | Agnes Connolly | 20 | Daughter | Electrician | Pennsylvania |
| 83 | Gerald Connolly | 19 | Son | — | Pennsylvania |
| 84 | Mary Connolly THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 85 | Henry Lewis | 1 | Grandson | — | Pennsylvania |
| 86 | Alice Amstadt | 55 | Boarder | — | Pennsylvania |
| 87 | Frank Todd | 53 | Head | Watchman | Maryland |
| 88 | Elizabeth Todd | 48 | Wife | — | Pennsylvania |
| 89 | Frank Jr Todd | 20 | Son | Accountant | Pennsylvania |
| 90 | William Todd | 19 | Son | Chemist | Pennsylvania |
| 91 | Edna Todd | 16 | Daughter | — | Pennsylvania |
| 92 | Samuel Todd | 14 | Son | — | Pennsylvania |
| 93 | Florence Todd | 9 | Daughter | — | Pennsylvania |
| 94 | H. Fred Morton | 40 | Head | Credit Man | Pennsylvania |
| 95 | Anna A Morton | 34 | Wife | — | New Jersey |
| 96 | Jonathan Morton | 10 | Son | — | Pennsylvania |
| 97 | Charles J Capachi | 31 | Head | Foreman | New York |
| 98 | Martha Capachi | 25 | Wife | — | Rhode Island |
| 99 | Charles Capachi | 6 | Son | — | Pennsylvania |
| 100 | Martha Capachi | 1 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)