MF
Mary Frost — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Mary Frost across the 1900, 1910 and 1920 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1864), then head of a 4-person household.
Age 56
b. ~1864
Female
Spouse
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Pennsylvania |
| Surname | Frost |
| Given Name | Mary Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| 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 | Monongahela City |
| Est. Birth Year | ~1864 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Frost | Son | — | 30 | ~1890 |
| Mary Frost | Other | — | 24 | ~1896 |
| John Frost | Head | — | 60 | ~1860 |
| Mary Frost | Spouse | — | 56 | ~1864 |
Census Appearances
1900
Washington, Pennsylvania
Spouse, age 37
Washington, Pennsylvania · implied b. ~1863 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Oct |
| Birth Year | 1863 |
| 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 |
1910
Washington, Pennsylvania
Spouse, age 47
Washington, Pennsylvania · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 27 |
| Children Born | 3 |
| Children Living | 1 |
| 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
Washington, Pennsylvania
Spouse, age 56
Washington, Pennsylvania · implied b. ~1864 — 4 household members
| Surname | Frost |
| Given Name | Mary Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| 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 Mary Frost across 3 US Census years (1900, 1910 and 1920) in Washington, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frost
Spouse · 1920 · age 56 · b. ~1864 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Washington, Pennsylvania
Open full size
1920 US Federal Census — Washington, Pennsylvania
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu1659unit:1142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Burress Moore | 49 | Head | Supt | New Jersey |
| 2 | Jessie Powry Moore | 49 | Wife | — | Ohio |
| 3 | Clarence S Moore | 22 | Son | — | Ohio |
| 4 | Burress Jr Moore | 17 | Son | — | Pennsylvania |
| 5 | John Wheatley Frost | 60 | Head | — | Pennsylvania |
| 6 | Mary Elizabeth Frost THIS PERSON | 56 | Wife | — | Pennsylvania |
| 7 | John Merle Frost | 30 | Son | Machinist | Pennsylvania |
| 8 | Mary Elizabeth Frost | 24 | Daughter-in-law | — | Pennsylvania |
| 9 | Charlotte S Coulson | 86 | Head | — | Pennsylvania |
| 10 | Joseph S Coulson | 60 | Son | — | Pennsylvania |
| 11 | Adaline Margaret E Coulson | 54 | Daughter | — | Pennsylvania |
| 12 | Mary B Thomas | 65 | Head | — | Pennsylvania |
| 13 | Margaret H Thomas | 38 | Daughter | Sec & Treas | Pennsylvania |
| 14 | Elsie Logue Willow | 39 | Boarder | Business Manager | Pennsylvania |
| 15 | Madeline Dixon | 20 | Maid | Servant | Pennsylvania |
| 16 | W Blaine Hunter | 38 | Head | Bank Cashier | Pennsylvania |
| 17 | Ada Mcmahon Hunter | 34 | Wife | — | Illinois |
| 18 | John Mcmahon | 18 | Step-son | — | Pennsylvania |
| 19 | Samuel M Downer | 59 | Head | Real Estate Dealer | Pennsylvania |
| 20 | Mary E Downer | 55 | Wife | — | Pennsylvania |
| 21 | Agnes Stewart | 17 | Servant | Servant | Illinois |
| 22 | Robert H Robinson | 50 | Head | Coal Operator | Pennsylvania |
| 23 | Maude Robinson | 44 | Wife | — | Pennsylvania |
| 24 | Robert H Jr Robinson | 17 | Son | — | Pennsylvania |
| 25 | John G Robinson | 14 | Son | — | Pennsylvania |
| 26 | William H Robinson | 7 | Son | — | Pennsylvania |
| 27 | Martha Hale | 74 | Mother-in-law | — | Pennsylvania |
| 28 | James E Downer | 50 | Head | Pipe Fitter | Pennsylvania |
| 29 | Jane Downer | 46 | Wife | — | Pennsylvania |
| 30 | Andrew Downer | 14 | Son | — | Pennsylvania |
| 31 | Anna Mcalister | 70 | Mother-in-law | — | Pennsylvania |
| 32 | Judaco F Mcalister | 72 | Father-in-law | — | Pennsylvania |
| 33 | Charles Thalen | 67 | Head | Carpenter | Pennsylvania |
| 34 | Sarah Thalen | 65 | Wife | — | Pennsylvania |
| 35 | Lillian Thalen | 31 | Daughter | Bookkeeper | Pennsylvania |
| 36 | Thomas C Farquhar | 53 | Head | Teller | Pennsylvania |
| 37 | Margaret A Farquhar | 45 | Wife | — | Pennsylvania |
| 38 | Grover A Farquhar | 4 | Son | — | Pennsylvania |
| 39 | Harry C Fatman | 63 | Head | Baker | Pennsylvania |
| 40 | Ida Day Fatman | 60 | Wife | — | Kansas |
| 41 | Herman D Fatman | 25 | Son | Merchant | Pennsylvania |
| 42 | Anna Fatman | 24 | Daughter-in-law | — | Pennsylvania |
| 43 | Henry D Fatman | 1 | Grandson | — | Pennsylvania |
| 44 | John Chathaway | 44 | Head | Merchant | England |
| 45 | Maude Chathaway | 40 | Wife | — | Pennsylvania |
| 46 | Mary Chathaway | 18 | Daughter | — | Pennsylvania |
| 47 | Margaret Chathaway | 15 | Daughter | — | Pennsylvania |
| 48 | John Jr Chathaway | 13 | Son | — | Pennsylvania |
| 49 | David Chathaway | 4 | Son | — | 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)