MM
Mary Mcdowell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Mary Mcdowell across the 1910 and 1920 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 6-person household.
Age 19
b. ~1901
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Mercer, Pennsylvania |
| Surname | McDowell |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| 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 | Wolf Creek |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Mcdowell | Son | — | 12 | ~1908 |
| Quincy Mcdowell | Son | — | 20 | ~1900 |
| Cyrus Mcdowell | Head | — | 53 | ~1867 |
| Mary Mcdowell | Daughter | — | 19 | ~1901 |
| Mary Mcdowell | Spouse | — | 51 | ~1869 |
| Albert Mcdowell | Son | — | 24 | ~1896 |
Census Appearances
1910
Mercer, Pennsylvania
Daughter, age 8
Mercer, Pennsylvania · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDowell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Mercer, Pennsylvania
Daughter, age 19
Mercer, Pennsylvania · implied b. ~1901 — 6 household members
| Surname | McDowell |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| 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 Mary Mcdowell across 2 US Census years (1910 and 1920) in Mercer, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdowell
Daughter · 1920 · age 19 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
William Mcdowell
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Mcdowell
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Quincy Mcdowell
Sibling · 1920 · age 20
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 — Mercer, Pennsylvania
Open full size
1920 US Federal Census — Mercer, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1603unit:0266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer D Mcknight | 21 | Wife | — | Pennsylvania |
| 2 | Martin L Dillon | 40 | Head | — | Pennsylvania |
| 3 | Elizabeth Dillon | 37 | Wife | Farmer | Pennsylvania |
| 4 | Clarence M Dillon | 16 | Son | — | Pennsylvania |
| 5 | Eleanor M Dillon | 15 | Daughter | Farmhand | Pennsylvania |
| 6 | Clara G Dillon | 13 | Daughter | — | Pennsylvania |
| 7 | Richard J Dillon | 10 | Son | — | Pennsylvania |
| 8 | Frances E Dillon | 7 | Daughter | — | Pennsylvania |
| 9 | Leland P Dillon | 0 | Son | — | Pennsylvania |
| 10 | Robert W Mcknight | 32 | Head | — | Pennsylvania |
| 11 | Billie M Mcknight | 26 | Wife | Farmer | Pennsylvania |
| 12 | Blair E Mcknight | 9 | Daughter | — | Pennsylvania |
| 13 | James G Mcknight | 6 | Son | — | Pennsylvania |
| 14 | Arthur D Patterson | 59 | Head | — | Pennsylvania |
| 15 | Elizabeth J Patterson | 39 | Wife | Yes | Pennsylvania |
| 16 | Albert G Patterson | 14 | Son | — | Pennsylvania |
| 17 | Thomas M Patterson | 7 | Son | — | Pennsylvania |
| 18 | James C Rainey | 45 | Head | Yes | Pennsylvania |
| 19 | Clara L Rainey | 43 | Wife | — | Pennsylvania |
| 20 | Frank W Rainey | 21 | Son | — | Pennsylvania |
| 21 | Earl E Perry | 40 | Head | Farmhand | Pennsylvania |
| 22 | Minnie G Perry | 25 | Wife | Farmer | Pennsylvania |
| 23 | Raymond E Marshall | 31 | Head | — | Indiana |
| 24 | Mary A Marshall | 31 | Wife | Farmer | Indiana |
| 25 | Alice M Marshall | 10 | Daughter | — | Indiana |
| 26 | Robert Marshall | 3 | Son | — | Indiana |
| 27 | Jesse J Turner | 23 | Boarder | — | Pennsylvania |
| 28 | Samuel S Mcknight | 46 | Head | Farmhand | Pennsylvania |
| 29 | Anne M Mcknight | 45 | Wife | Farmer | Pennsylvania |
| 30 | Ruth D Mcknight | 19 | Daughter | — | Pennsylvania |
| 31 | Octa D Mcknight | 17 | Daughter | — | Pennsylvania |
| 32 | Cora D Mcknight | 10 | Daughter | — | Pennsylvania |
| 33 | Thomas W Mcknight | 41 | Head | Farmer | Pennsylvania |
| 34 | Ella N Mcknight | 37 | Wife | Yes | Pennsylvania |
| 35 | Harold S Mcknight | 7 | Son | — | Pennsylvania |
| 36 | Helen L Mcknight | 4 | Daughter | — | Pennsylvania |
| 37 | Nancy J Mcknight | 69 | Mother | — | Pennsylvania |
| 38 | Cyrus A Mcdowell | 53 | Head | Farmer | Pennsylvania |
| 39 | Mary R Mcdowell | 51 | Wife | — | Pennsylvania |
| 40 | Albert D Mcdowell | 24 | Son | Farmer | Pennsylvania |
| 41 | Quincy L Mcdowell | 20 | Son | — | Pennsylvania |
| 42 | Mary J Mcdowell THIS PERSON | 19 | Daughter | — | Pennsylvania |
| 43 | William J Mcdowell | 12 | Son | — | Pennsylvania |
| 44 | Dewitt C Grace | 45 | Head | Farmer | Pennsylvania |
| 45 | Nannie J Grace | 48 | Wife | — | Pennsylvania |
| 46 | Gladys B Grace | 19 | Daughter | Teacher | Pennsylvania |
| 47 | Margaret E Grace | 18 | Daughter | — | Pennsylvania |
| 48 | James H Grace | 15 | Son | — | Pennsylvania |
| 49 | Joseph E Grace | 10 | Son | — | Pennsylvania |
| 50 | Ida M Grace | 8 | 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)