MD
Mary Devine — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Mary Devine across the 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 13-person household.
Age 10
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Devine |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Elkins Park |
| Est. Birth Year | ~1920 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Devine | Daughter | — | 13 | ~1917 |
| Harry Larkins | Other | — | 21 | ~1909 |
| Lillian Devine | Other | — | 39 | ~1891 |
| Charles Cunningham | Other | — | 74 | ~1856 |
| Jayson Stover | Other | — | 21 | ~1909 |
| Albert Devine | Son | — | 7 | ~1923 |
| Hugh Devine | Son | — | 12 | ~1918 |
| Louise Devine | Daughter | — | 14 | ~1916 |
| Florence Stover | Other | — | 22 | ~1908 |
| John Devine | Head | — | 36 | ~1894 |
| Mary Devine | Daughter | — | 10 | ~1920 |
| John Devine | Son | — | 8 | ~1922 |
| Theresa Devine | Daughter | — | 3 | ~1927 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age
Philadelphia, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Devine |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Daughter, age 10
Montgomery, Pennsylvania · implied b. ~1920 — 13 household members
| Surname | Devine |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 Devine across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Devine
Daughter · 1930 · age 10 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Eleanor Devine
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Devine
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Devine
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Devine
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Devine
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Devine
Sibling · 1930 · age 12
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 — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
41 people indexed on this census page (ia:1930:fifteenthcensus00reel2081:0446)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Johnson | 76 | Head | None | Pennsylvania |
| 2 | Charles H. Johnson | 51 | Son | None | Pennsylvania |
| 3 | Arthur Taylor | 37 | Head | Chauffeur | England |
| 4 | Lillie Taylor | 32 | wife - H | None | England |
| 5 | John Devine | 36 | Head | Mechanic | Pennsylvania |
| 6 | Lillian J. Devine | 39 | wife - H | None | Pennsylvania |
| 7 | Louise R. Devine | 14 | Daughter | None | Pennsylvania |
| 8 | Eleanor P. Devine | 13 | Daughter | None | Pennsylvania |
| 9 | Hugh A. Devine | 12 | Son | None | Pennsylvania |
| 10 | Mary R. Devine THIS PERSON | 10 | Daughter | None | Pennsylvania |
| 11 | John A. Devine | 8 | Son | None | Pennsylvania |
| 12 | Albert Devine | 7 | Son | None | Pennsylvania |
| 13 | Theresa Devine | 3 | Daughter | None | Pennsylvania |
| 14 | Harry Larkins | 21 | Boarder | Salesman | Pennsylvania |
| 15 | Jayson Stover | 21 | Lodger | Salesman | Pennsylvania |
| 16 | Florence Stover | 22 | Lodger | None | Pennsylvania |
| 17 | Charles Cunningham | 74 | Friend | None | New Jersey |
| 18 | — | None | — | — | — |
| 19 | — | None | — | — | — |
| 20 | Frank B. Smith | 38 | Head | Tree Doctor | New York |
| 21 | Emma C. Smith | 45 | wife - H | None | New York |
| 22 | Mary N. Smith | 7 | Daughter | None | Pennsylvania |
| 23 | Mary E. Cunningham | 68 | mother | None | New York |
| 24 | Edna S. Cunningham | 19 | niece | None | Pennsylvania |
| 25 | Thomas J. Girty | 73 | Head | Stenographer | Pennsylvania |
| 26 | Carrie Girty | 69 | wife - H | None | Pennsylvania |
| 27 | Evelyn Girty | 48 | Daughter | File Clerk | Pennsylvania |
| 28 | John E. Girty | 40 | Son | Salesman | Pennsylvania |
| 29 | Edwin J. Armstrong | 58 | Head | Draughtsman | Pennsylvania |
| 30 | Clara L. Armstrong | 56 | wife - H | None | Pennsylvania |
| 31 | Edwin W. Armstrong | 30 | Son | Engineer | Pennsylvania |
| 32 | William D. Burk | 43 | Head | Stock Broker | Pennsylvania |
| 33 | Alice E. Burk | 40 | wife - H | None | Pennsylvania |
| 34 | Ruth Burk | 19 | Daughter | None | Pennsylvania |
| 35 | Louis Burk | 17 | Son | None | Pennsylvania |
| 36 | Regina Dresser | 19 | Servant | — | Germany |
| 37 | Margaret Hagenisch | 20 | Servant | — | Germany |
| 38 | Amelia Schrofer | 24 | Servant | — | Germany |
| 39 | Robert J. Baldwin | 47 | Head | Doctor | Pennsylvania |
| 40 | Hazel Baldwin | 41 | wife - H | None | Nebraska |
| 41 | Jennie B. Howland | 64 | mother | None | New York |
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)