KM
Katherine Murphy — 1920 US Census Record
Model Tree available1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Katherine Murphy across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Jane & John — first a daughter (b.~1876), then head of a 8-person household.
Age 44
b. ~1876
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1876 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Jane Thomas | Spouse | — | 59 | ~1861 |
| Margaret Potter | Other | — | 22 | ~1898 |
| Mark Murphy | Other | — | 69 | ~1851 |
| Elizabeth Thomas | Daughter | — | 22 | ~1898 |
| Katherine Murphy | Daughter | — | 44 | ~1876 |
| Julia Murphy | Daughter | — | 44 | ~1876 |
| Wm Murphy | Other | — | 17 | ~1903 |
| John Thomas | Head | — | 53 | ~1867 |
Census Appearances
1900
Philadelphia, Pennsylvania
Other, age 24
Philadelphia, Pennsylvania · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Kate |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1876 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Waitress |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Philadelphia, Pennsylvania
Spouse, age 35
Philadelphia, Pennsylvania · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 10 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 44
Philadelphia, Pennsylvania · implied b. ~1876 — 8 household members
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Katherine Murphy across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: mother Jane Thomas (~0.92 confidence) and father John Thomas (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Mother
Jane Thomas
b. ~1861
Source mother
● Household
· direct · ~0.92
Father
John Thomas
b. ~1867
Source father
● Household
· direct · ~0.6
This person
Anchor record
Katherine Murphy
Daughter · 1920 · age 44 · b. ~1876 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Thomas
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Murphy
Sibling · 1920 · age 44
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:1920:14thcensusofpopu1643unit:0861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Thomas | 53 | Head | Stone Cutter | Wales |
| 2 | Jane E. Thomas | 59 | Wife | — | Wales |
| 3 | Elizabeth J. Thomas | 22 | Daughter | — | Pennsylvania |
| 4 | Mark G. Murphy | 69 | — | — | Pennsylvania |
| 5 | Katherine Murphy THIS PERSON | 44 | Daughter | — | Pennsylvania |
| 6 | Julia E. Murphy | 44 | Daughter | — | Pennsylvania |
| 7 | Margaret G. Potter | 22 | Boarder | Stenographer | Pennsylvania |
| 8 | Wm. D. Murphy | 17 | Grandson | Clerk | Pennsylvania |
| 9 | Samuel Burdick | 38 | Head | Proprietor | Russia |
| 10 | Fannie Burdick | 36 | Wife | — | Russia |
| 11 | Jerome Burdick | 10 | Son | — | Pennsylvania |
| 12 | Ernest Burdick | 7 | Son | — | Pennsylvania |
| 13 | Leonard Burdick | 5 | Son | — | Pennsylvania |
| 14 | Jennie Mamber | 25 | Servant | Servant | Russia |
| 15 | Wm. J. Wittick | 38 | Head | Housekeeper | England |
| 16 | Annie Wittick | 37 | Wife | — | Pennsylvania |
| 17 | Bessie Wittick | 15 | Daughter | Student | Pennsylvania |
| 18 | Lillian Wittick | 13 | Daughter | Student | New York |
| 19 | Irene Wittick | 13 | Daughter | Student | New York |
| 20 | Robert Wittick | 12 | Son | Student | Pennsylvania |
| 21 | Ruth Wittick | 7 | Daughter | Student | Pennsylvania |
| 22 | Eleanor Wittick | 9 | Daughter | Student | Pennsylvania |
| 23 | Julius R. Burg | 41 | Head | Manager | Pennsylvania |
| 24 | Minnie E. Burg | 41 | Wife | — | Pennsylvania |
| 25 | Hazel E. Burg | 20 | Daughter | — | Pennsylvania |
| 26 | Mildred L. Burg | 18 | Daughter | Student | Pennsylvania |
| 27 | Clifford L. Burg | 15 | Son | — | Pennsylvania |
| 28 | Avery Matthews | 67 | Head | — | Pennsylvania |
| 29 | Mary Ellen Matthews | 63 | Wife | — | Pennsylvania |
| 30 | Edward M. Wallis | 61 | Head | Manufacturer | Pennsylvania |
| 31 | Ida J. Wallis | 57 | Wife | — | Pennsylvania |
| 32 | Dorothy S. Beard | 56 | Stepdaughter | Broker | Pennsylvania |
| 33 | Henry A. Peter | 65 | Head | — | Pennsylvania |
| 34 | Caroline B. Peter | 57 | Wife | — | Pennsylvania |
| 35 | Laura E. Peter | 30 | Daughter | — | Pennsylvania |
| 36 | Cecelia E. Peter | 29 | Daughter | — | Pennsylvania |
| 37 | Irene Peter | 28 | Daughter | — | Pennsylvania |
| 38 | Mathilda Miller | 60 | Head | — | Pennsylvania |
| 39 | Howard R. Miller | 32 | Son | Clerk | Pennsylvania |
| 40 | Eleanor F. Miller | 31 | Daughter-in-law | — | Pennsylvania |
| 41 | Fred E. Mayer | 48 | Head | Machinist | England |
| 42 | Annie K. Mayer | 48 | Wife | — | Pennsylvania |
| 43 | Ruth L. Mayer | 21 | Daughter | Merchant | Pennsylvania |
| 44 | Edith A. Mayer | 41 | Daughter | — | Pennsylvania |
| 45 | Fred E. Pettock | 39 | Head | Clerk (Estimator) | West Virginia |
| 46 | Anna Pettock | 38 | Wife | Merchant | Pennsylvania |
| 47 | Fred Jr. Pettock | 9 | Son | — | Pennsylvania |
| 48 | Chas. A. Pettock | 8 | Son | — | Pennsylvania |
| 49 | Levi Goldman | 43 | Head | Student | England |
| 50 | Esther Goldman | 42 | Wife | Student | England |
Pedigree Summary
Katherine + 2 siblings
Gen 1 · 2 parents
~0.76
Max depth 4 (1900–1950 window)
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)