KM
Katherine Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Katherine Martin across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1892), then head of a 9-person household.
Age 28
b. ~1892
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | West Virginia |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Lawyers Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Bellevue Borough |
| Est. Birth Year | ~1892 |
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 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Lillian Martin | Daughter | — | 22 | ~1898 |
| Josephine Blum | Other | — | 50 | ~1870 |
| Marie Martin | Daughter | — | 18 | ~1902 |
| Albert Martin | Son | — | 20 | ~1900 |
| William Martin | Head | — | 61 | ~1859 |
| Irene Martin | Daughter | — | 10 | ~1910 |
| Katherine Martin | Daughter | — | 28 | ~1892 |
| Sophia Martin | Spouse | — | 56 | ~1864 |
| William Martin | Son | — | 24 | ~1896 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 18
Allegheny, Pennsylvania · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Catharine A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | West Virginia |
| Occupation | Stenographer |
| Industry | Index Co |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 28
Allegheny, Pennsylvania · implied b. ~1892 — 9 household members
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | West Virginia |
| Occupation | Stenographer |
| Industry | Lawyers Office |
| Class of Worker | W |
| 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 Martin across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Martin
Daughter · 1920 · age 28 · b. ~1892 · Pennsylvania
★ You are viewing this record
Sibling
Lillian Martin
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Martin
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Martin
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Martin
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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1509unit:0742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Hampard | 5 | Son | — | Pennsylvania |
| 2 | Frank Arthur | 32 | Head | Clerk | Pennsylvania |
| 3 | Edith Arthur | 29 | Wife | — | Pennsylvania |
| 4 | Marjorie Arthur | 1 | Daughter | — | Pennsylvania |
| 5 | Dora Ott | 86 | Grandmother | — | Bavaria Ger |
| 6 | George L. Aul | 50 | Head | Cleaner | Pennsylvania |
| 7 | Teresa M. Aul | 47 | Wife | — | Pennsylvania |
| 8 | George A. Aul | 28 | Son | Cleaner | Pennsylvania |
| 9 | Clara L. Aul | 24 | Daughter | — | Pennsylvania |
| 10 | Leo Aul | 22 | Son | Clerk | Pennsylvania |
| 11 | Margaret E. Aul | 20 | Daughter | Stenographer | Pennsylvania |
| 12 | Agnes J. Aul | 17 | Daughter | Stenographer | Pennsylvania |
| 13 | Mary J. Aul | 13 | Daughter | — | Pennsylvania |
| 14 | Frank B. Strotman | 43 | Brother-in-law | Clerk Freight | Pennsylvania |
| 15 | William J. Martin | 61 | Head | Baker | Ireland |
| 16 | Sophia Martin | 56 | Wife | — | West Virginia |
| 17 | Katherine Martin THIS PERSON | 28 | Daughter | Stenographer | Pennsylvania |
| 18 | William J. Jr. Martin | 24 | Son | — | Pennsylvania |
| 19 | Lillian Martin | 22 | Daughter | Stenographer | Pennsylvania |
| 20 | Albert Martin | 20 | Son | — | Pennsylvania |
| 21 | Marie Martin | 18 | Daughter | — | Pennsylvania |
| 22 | Irene Martin | 10 | Daughter | — | Pennsylvania |
| 23 | Josephine Blum | 50 | Sister-in-law | — | Pennsylvania |
| 24 | Henry Maider | 42 | Head | Plasterer | Pennsylvania |
| 25 | Margaret Maider | 34 | Wife | — | Pennsylvania |
| 26 | Mildred Maider | 13 | Daughter | — | Pennsylvania |
| 27 | Dorothy Maider | 6 | Daughter | — | Pennsylvania |
| 28 | Janet Barclay | 65 | Boarder | — | Ireland |
| 29 | Fred Lund | 67 | Head | Laborer | Germany |
| 30 | Ida Lund | 72 | Wife | Laborer | Germany |
| 31 | Arthur Hansen | 18 | Grandson | — | Pennsylvania |
| 32 | Richard Enzian | 41 | Head | Clerk | Saxony Ger |
| 33 | Emma D. Enzian | 41 | Wife | — | Pennsylvania |
| 34 | Freda D. Enzian | 16 | Daughter | Stenographer | Pennsylvania |
| 35 | Edna L. Enzian | 14 | Daughter | — | Pennsylvania |
| 36 | Richard J. Enzian | 11 | Son | — | Pennsylvania |
| 37 | Gilbert F. Enzian | 7 | Son | — | Pennsylvania |
| 38 | Louis Deholm | 43 | Head | Laborer | France |
| 39 | Elizabeth Deholm | 17 | Daughter | — | Pennsylvania |
| 40 | Emil Deholm | 26 | Son | Switchman | France |
| 41 | Alice Deholm | 20 | Daughter-in-law | — | U.S. |
| 42 | Earl Deholm | 2 | Grandson | — | Pennsylvania |
| 43 | Loretta Deholm | 0 | Granddaughter | — | Pennsylvania |
| 44 | H. H. Freeman | 45 | Head | Mail Carrier | Pennsylvania |
| 45 | Sarah L. Freeman | 44 | Wife | — | Pennsylvania |
| 46 | W. Jones | 41 | Brother | Physician | Pennsylvania |
| 47 | Simon Davinsky | 38 | Head | Conductor | Russia |
| 48 | Annie Davinsky | 42 | Wife | — | Russia |
| 49 | Fanny Davinsky | 16 | Daughter | — | England |
| 50 | Sarah Davinsky | 14 | Daughter | — | Pennsylvania |
Related Census Records
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)