MR
Mary Reilly — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Reilly across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 7-person household.
Age 15
b. ~1905
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Reilly |
| Given Name | Mary K |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Reilly | Daughter | — | 15 | ~1905 |
| Michael Reilly | Head | — | 52 | ~1868 |
| Katherine Evans | Other | — | 23 | ~1897 |
| John Reilly | Son | — | 17 | ~1903 |
| William Reilly | Son | — | 12 | ~1908 |
| Michael Reilly | Son | — | 10 | ~1910 |
| Minnie Reilly | Spouse | — | 48 | ~1872 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | Mary K |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 15
Philadelphia, Pennsylvania · implied b. ~1905 — 7 household members
| Surname | Reilly |
| Given Name | Mary K |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Reilly across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Reilly
Daughter · 1920 · age 15 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
John Reilly
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Reilly
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Reilly
Sibling · 1920 · 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
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:1920:14thcensusofpopu1621unit:0410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abraham Joseph Beamon | 24 | brother-in-law | Laborer | Georgia |
| 2 | Lorine Beamon | 25 | sister-in-law | — | S. Carolina |
| 3 | Paul Collins | 32 | brother-in-law | Counter | Georgia |
| 4 | Mamie Collins | 31 | sister | Laundress | Georgia |
| 5 | Hugh W. Bundie | 53 | head | Laborer | Delaware |
| 6 | Annie N Bundie | 48 | wife | — | Maryland |
| 7 | Leon S. Bundie | 26 | son | Operator | Pennsylvania |
| 8 | Annie L. Gilbert | 40 | lodger | Domestic | Maryland |
| 9 | Benjamin Harris | 60 | lodger | Laborer | N. Carolina |
| 10 | Patrick J. Mulhern | 43 | head | Laborer | Pennsylvania |
| 11 | Mary A Mulhern | 42 | wife | — | Ireland |
| 12 | James P Mulhern | 21 | son | Stenographer | Pennsylvania |
| 13 | Charles J. Mulhern | 20 | son | Electrician | Pennsylvania |
| 14 | Mary A Mulhern | 17 | daughter | Clerk | Pennsylvania |
| 15 | Teresa A Mulhern | 15 | daughter | — | Pennsylvania |
| 16 | Elizabeth P Mulhern | 14 | daughter | — | Pennsylvania |
| 17 | Helen M Mulhern | 11 | daughter | — | Pennsylvania |
| 18 | Severina M Mulhern | 10 | daughter | — | Pennsylvania |
| 19 | Joseph Mulhern | 7 | son | — | Pennsylvania |
| 20 | Otto A. Baker | 46 | head | Vulcanizer | Pennsylvania |
| 21 | Katherine L Baker | 29 | wife | — | Pennsylvania |
| 22 | Katherine E Baker | 5 | daughter | — | Pennsylvania |
| 23 | Helen Baker | 4 | daughter | — | Pennsylvania |
| 24 | Ethel Baker | 2 | daughter | — | Pennsylvania |
| 25 | Betty Baker | 1 | daughter | — | Pennsylvania |
| 26 | Albert Baker | 0 | son | — | Pennsylvania |
| 27 | Michael Reilly | 52 | head | Boiler Maker | Ireland |
| 28 | Minnie A Reilly | 48 | wife | — | Ireland |
| 29 | John J. Reilly | 17 | son | Electrician Helper | Pennsylvania |
| 30 | Mary K Reilly THIS PERSON | 15 | daughter | — | Pennsylvania |
| 31 | William L. Reilly | 12 | son | — | Pennsylvania |
| 32 | Michael J Reilly | 10 | son | — | Pennsylvania |
| 33 | Katherine Evans | 23 | niece | Dress Maker | Ireland |
| 34 | Cecilia T. Mclaughlin | 43 | head | — | Pennsylvania |
| 35 | James B Mclaughlin | 41 | brother | Shipping Clerk | Pennsylvania |
| 36 | Charles P Mclaughlin | 39 | brother | Polisher | Pennsylvania |
| 37 | Joseph J. Mclaughlin | 36 | brother | Salesman | Pennsylvania |
| 38 | Matilda V Mclaughlin | 29 | sister | Shipping Clerk | Pennsylvania |
| 39 | Mary V Mclaughlin | 41 | sister-in-law | — | Pennsylvania |
| 40 | Edward J. Mcintosh | 31 | brother-in-law | Book Keeper | Pennsylvania |
| 41 | Mary E Mcintosh | 33 | sister | — | Pennsylvania |
| 42 | Francis X Mcintosh | 1 | nephew | — | Pennsylvania |
| 43 | William Maher | 50 | head | Janitor | Ireland |
| 44 | Katherine Maher | 46 | wife | — | Ireland |
| 45 | Mckinley Joseph B Maher | 23 | lodger | Delivery Man | Pennsylvania |
| 46 | Matilda Rickey | 45 | lodger | — | Tennessee |
| 47 | John Rickey | 44 | lodger | Watchman | Pennsylvania |
| 48 | Agnes B Lee | 24 | lodger | Seamstress | Pennsylvania |
| 49 | Patrick Corcoran | 53 | head | Watchman | Ireland |
| 50 | Katherine Corcoran | 54 | wife | — | Ireland |
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)