MP
Mary Post — 1930 US Census Record
Model Tree available1930 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Mary Post across the 1910, 1920 and 1930 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1906), then head of a 7-person household.
Age 24
b. ~1906
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Pennsylvania |
| Surname | Post |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Teacher |
| Township / Ward | Blaine Township |
| Est. Birth Year | ~1906 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Post | Daughter | — | 23 | ~1907 |
| Dorothy Post | Daughter | — | 15 | ~1915 |
| Clarke Post | Son | — | 17 | ~1913 |
| Bertha Post | Other | — | 46 | ~1884 |
| John Post | Head | — | 55 | ~1875 |
| Mary Post | Daughter | — | 24 | ~1906 |
| Helen Post | Daughter | — | 8 | ~1922 |
Census Appearances
1910
Washington, Pennsylvania
Daughter, age 4
Washington, Pennsylvania · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Washington, Pennsylvania
Daughter, age 14
Washington, Pennsylvania · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Washington, Pennsylvania
Daughter, age 24
Washington, Pennsylvania · implied b. ~1906 — 7 household members
| Surname | Post |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 US Census years (1910, 1920 and 1930) in Washington, Pennsylvania, using XGBoost record linkage. Identified parents: father John Post (~0.92 confidence) and father John Post (~0.92 confidence) and mother Bertha Post (~0.92 confidence) and mother Bertha Post (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Post
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Post
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Bertha Post
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Bertha Post
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Post
Daughter · 1930 · age 24 · b. ~1906 · Pennsylvania
★ You are viewing this record
Sibling
Alice Post
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Post
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Post
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarke Post
Sibling · 1930 · age 17
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
1930 US Federal Census — Washington, Pennsylvania
Open full size
1930 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2160:0719)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L Post | 55 | Head | Farmer | Kansas |
| 2 | Bertha E Post | 46 | Wife-H | None | Pennsylvania |
| 3 | Mary E Post THIS PERSON | 24 | Daughter | Teacher | Ohio |
| 4 | Alice R Post | 23 | Daughter | Teacher | Ohio |
| 5 | Clarke S Post | 17 | Son | None | Pennsylvania |
| 6 | Dorothy B Post | 15 | Daughter | None | Pennsylvania |
| 7 | Helen M Post | 8 | Daughter | None | Pennsylvania |
| 8 | William L Grimes | 50 | Head-H | Farmer | Pennsylvania |
| 9 | David S Burris | 52 | Head | Farmer | West Virginia |
| 10 | Alice Burris | 49 | Wife-H | None | West Virginia |
| 11 | Bertha M Whitlatch | 28 | Daughter | None | West Virginia |
| 12 | Edna M Whitlatch | 5 | Granddaughter | None | West Virginia |
| 13 | Mary Whitlatch | 2 | Granddaughter | None | West Virginia |
| 14 | W M Anderson | 65 | Head | Farmer | Pennsylvania |
| 15 | Margaret Anderson | 61 | Sister-H | None | Pennsylvania |
| 16 | A M Elliott | 67 | Head | Farmer | Pennsylvania |
| 17 | Mary M Elliott | 67 | Wife-H | None | Pennsylvania |
| 18 | Rebecca Adams | 69 | Sister | None | Pennsylvania |
| 19 | L H Mcgill | 63 | Head | Farmer | Pennsylvania |
| 20 | Mary R Mcgill | 58 | Wife-H | None | Pennsylvania |
| 21 | Grace O Mcgill | 19 | Daughter | None | Pennsylvania |
| 22 | T W Carson | 45 | Head | Farmer | Pennsylvania |
| 23 | Bessie A Carson | 38 | Wife-H | None | Pennsylvania |
| 24 | Samuel W Carson | 14 | Son | None | Pennsylvania |
| 25 | Edith G Carson | 13 | Daughter | None | Pennsylvania |
| 26 | Donald L Carson | 14 | Son | None | Pennsylvania |
| 27 | Harry A Hodgens | 46 | Head | Farmer | Pennsylvania |
| 28 | Iona M Hodgens | 28 | Wife-H | None | Pennsylvania |
| 29 | Adocia Hair | 55 | Aunt | None | West Virginia |
| 30 | H L Newman | 34 | Head | Farmer | Pennsylvania |
| 31 | Margaret E Newman | 35 | Wife-H | None | Pennsylvania |
| 32 | William Newman | 11 | Son | None | Pennsylvania |
| 33 | Glenn Newman | 8 | Son | None | Pennsylvania |
| 34 | Margaret J Newman | 2 | Daughter | None | Pennsylvania |
| 35 | Alonzo C Sheller | 50 | Head | Farmer | Pennsylvania |
| 36 | Pink Sheller | 54 | Wife-H | None | Kentucky |
| 37 | Mary L Sheller | 26 | Daughter | Teacher | Pennsylvania |
| 38 | Edith G Sheller | 24 | Daughter | Teacher | Pennsylvania |
| 39 | Elizabeth S Ross | 71 | Head-H | None | Maryland |
| 40 | Harry Frye | 49 | Head | Pumper | Pennsylvania |
| 41 | Lillie M Frye | 41 | Wife-H | None | Pennsylvania |
| 42 | Gwendola V Frye | 18 | Daughter | Chamber-Maid | Pennsylvania |
| 43 | Elizabeth A Frye | 17 | Daughter | None | Pennsylvania |
| 44 | Alvin E Frye | 15 | Son | None | Pennsylvania |
| 45 | Alice M Frye | 14 | Daughter | None | Pennsylvania |
| 46 | Lois E Frye | 12 | Daughter | None | Pennsylvania |
| 47 | Donald L Frye | 11 | Son | None | Pennsylvania |
| 48 | Clyde H Frye | 10 | Son | None | Pennsylvania |
| 49 | Bonnie R Frye | 1 | Daughter | None | Pennsylvania |
| 50 | Margery Clarke | 58 | Head-H | None | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)