MH
Mary Howell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Howell across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1852), then head of a 8-person household.
Age 78
b. ~1852
Female
Daughter
Born: Pennsylvania
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Howell |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1852 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eileen Howell | Daughter | — | 19 | ~1911 |
| Mary Howell | Daughter | — | 78 | ~1852 |
| Mary Howell | Daughter | — | 26 | ~1904 |
| William Howell | Head | — | 58 | ~1872 |
| Edwin Howell | Son | — | 17 | ~1913 |
| John Howell | Son | — | 23 | ~1907 |
| Joseph Howell | Son | — | 25 | ~1905 |
| Helen Howell | Spouse | — | 57 | ~1873 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 65
Allegheny, Pennsylvania · implied b. ~1855 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Howell |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| 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 |
1930
Allegheny, Pennsylvania
Daughter, age 78
Allegheny, Pennsylvania · implied b. ~1852 — 8 household members
| Surname | Howell |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | 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 Howell across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Howell
Daughter · 1930 · age 78 · b. ~1852 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Howell
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Howell
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Howell
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Howell
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Howell
Sibling · 1930 · age 26
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
22 people indexed on this census page (ia:1930:fifteenthcensus00reel1983:0121)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Howell | 58 | Head | Locomotive Engineer | Pennsylvania |
| 2 | Helen J. Howell | 57 | Wife | — | Pennsylvania |
| 3 | Mary B. Howell | 26 | Daughter | Organist | Pennsylvania |
| 4 | Joseph A. Howell | 25 | Son | Traffic Manager | Pennsylvania |
| 5 | John A. Howell | 23 | Son | Clerk | Pennsylvania |
| 6 | Eileen Howell | 19 | Daughter | — | Pennsylvania |
| 7 | Edwin C. Howell | 17 | Son | — | Pennsylvania |
| 8 | Mary A. Howell THIS PERSON | 78 | Daughter | — | Pennsylvania |
| 9 | James P. Montague | 37 | Head | Plumber | Tennessee |
| 10 | Anna C. Montague | 31 | Wife | — | Pennsylvania |
| 11 | Anna Montague | 13 | Daughter | — | Pennsylvania |
| 12 | Clair Montague | 10 | Daughter | — | Pennsylvania |
| 13 | James Montague | 8 | Son | — | Pennsylvania |
| 14 | Edmund Montague | 7 | Son | — | Pennsylvania |
| 15 | Mary P. Montague | 4 | Daughter | — | Pennsylvania |
| 16 | William J. Bradburn | 38 | Head | Patrolman | Pennsylvania |
| 17 | Edna M. Bradburn | 31 | Wife | — | Pennsylvania |
| 18 | Mary Bradburn | 9 | Daughter | — | Pennsylvania |
| 19 | William Bradburn | 7 | Son | — | Pennsylvania |
| 20 | Helen Bradburn | 5 | Daughter | — | Pennsylvania |
| 21 | Alice Bradburn | 2 | Daughter | — | Pennsylvania |
| 22 | Isaac Bradburn | 75 | Father | — | England |
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)