MP
Mary Post — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Mary Post across the 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 6-person household.
Age 11
b. ~1909
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Post |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lower East Dist |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Hazel Post | Daughter | — | 2 | ~1918 |
| Mabel Post | Daughter | — | 9 | ~1911 |
| Mary Post | Daughter | — | 11 | ~1909 |
| Edward Post | Son | — | 7 | ~1913 |
| Edward Post | Head | — | 37 | ~1883 |
| Mary Post | Spouse | — | 37 | ~1883 |
Census Appearances
1910
Montgomery, Pennsylvania
Daughter, age
Montgomery, Pennsylvania · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Daughter, age 11
Montgomery, Pennsylvania · implied b. ~1909 — 6 household members
| Surname | Post |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 Post across 2 US Census years (1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Post
Daughter · 1920 · age 11 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Edward Post
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Post
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Post
Sibling · 1920 · age 9
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 — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1604unit:0476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth A Conklin | 64 | wife | None | England |
| 52 | Clara Conklin | 37 | daughter | Engraver | Pennsylvania |
| 53 | Mary A Conklin | 30 | daughter | Office Clerk | Pennsylvania |
| 54 | Alfred H Bowker | 33 | head | Carpenter | New Jersey |
| 55 | Josephine Bowker | 32 | wife | None | Pennsylvania |
| 56 | Albert H Bowker | 7 | son | None | Pennsylvania |
| 57 | Helen Bowker | 4 | daughter | — | Pennsylvania |
| 58 | William Alburger | 56 | head | Painter & Dec | Pennsylvania |
| 59 | Catherine Alburger | 49 | wife | None | Pennsylvania |
| 60 | William Alburger | 23 | son | Fireman | Pennsylvania |
| 61 | Caroline Fisher | 68 | mother-in-law | None | Wittenburg |
| 62 | Henry R Body | 50 | head | Bookkeeper | England |
| 63 | Marion Body | 48 | wife | None | England |
| 64 | Mildred Body | 24 | daughter | None | New York |
| 65 | Edward B Post | 37 | head | Manager | Pennsylvania |
| 66 | Mary Post | 37 | wife | None | Pennsylvania |
| 67 | Mary Post THIS PERSON | 11 | daughter | None | Pennsylvania |
| 68 | Mabel Post | 9 | daughter | None | Pennsylvania |
| 69 | Edward Post | 7 | son | None | Pennsylvania |
| 70 | Hazel Post | 2 | daughter | — | Pennsylvania |
| 71 | William Schollenberger | 56 | head | None | Germany |
| 72 | Elizabeth Schollenberger | 54 | wife | None | Germany |
| 73 | William Schollenberger | 22 | son | Bookkeeper | Pennsylvania |
| 74 | Albert Schollenberger | 21 | son | Salesman | Pennsylvania |
| 75 | Harry Schollenberger | 18 | son | None | Pennsylvania |
| 76 | Robert D Worthington | 33 | head | Milk Dealer | Pennsylvania |
| 77 | Anna E Worthington | 33 | wife | None | Germany |
| 78 | Robert Worthington | 11 | son | None | Pennsylvania |
| 79 | Emily Worthington | 7 | daughter | None | Pennsylvania |
| 80 | Ruth Worthington | 6 | daughter | None | Pennsylvania |
| 81 | Warren Worthington | 2 | son | — | Pennsylvania |
| 82 | Charles Wendt | 58 | head | Baker | New York |
| 83 | Louisa Wendt | 55 | wife | None | Hamburg |
| 84 | William Wendt | 31 | son | Salesman | New York |
| 85 | Frank Wendt | 21 | son | Musician | Pennsylvania |
| 86 | Thomas Vaughan | 28 | son-in-law | Bookkeeper | Pennsylvania |
| 87 | Freda Vaughan | 28 | daughter | None | New York |
| 88 | Lillian Vaughan | 4 | granddaughter | — | Pennsylvania |
| 89 | Walter W Wilson | 31 | head | Salesman | Pennsylvania |
| 90 | Magdalena Wilson | 36 | wife | None | Pennsylvania |
| 91 | Ethel M Wilson | 5 | daughter | — | Pennsylvania |
| 92 | Walter R Wilson | 1 | son | — | Pennsylvania |
| 93 | Mason Sharp | 37 | head | Brakeman | New Jersey |
| 94 | Katherine Sharp | 36 | wife | None | Pennsylvania |
| 95 | Frank Broman | 43 | head | Buyer | Pennsylvania |
| 96 | Emma B Broman | 40 | wife | None | England |
| 97 | Sarah Myers | 63 | mother-in-law | None | England |
| 98 | Emma Derr | 42 | boarder | File Clerk | Pennsylvania |
| 99 | Charles Derr | 38 | boarder | Bookkeeper | Pennsylvania |
| 100 | Bessie Derr | 31 | boarder | School Teacher | 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)