MS
Mary Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Sullivan across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.
Age 54
b. ~1876
Female
Head
Born: Penna.
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Penna. |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Homemaker |
| Industry | At Home |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $10,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Homemaker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1876 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helga Sullivan | Daughter | — | 23 | ~1907 |
| Mary Sullivan | Head | — | 54 | ~1876 |
| Roger Sullivan | Son | — | 14 | ~1916 |
| Paul Sullivan | Son | — | 21 | ~1909 |
Census Appearances
1920
Phila, Pennsylvania
Head, age 45
Phila, Pennsylvania · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Widowed |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Head, age 54
Philadelphia, Pennsylvania · implied b. ~1876 — 4 household members
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Penna. |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Homemaker |
| Industry | At Home |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $10,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Other, age 65
Philadelphia-County, Pennsylvania · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Mary E. |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same home |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Sullivan across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Sullivan
Head · 1930 · age 54 · b. ~1876 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2104:0697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur C. Jackson | 51 | Head | Manager | Penna. |
| 52 | Edith W. Jackson | 51 | Wife | Homemaker | Canada |
| 53 | Edith W. Jackson | 21 | Daughter | Student | Penna. |
| 54 | Alice W. Jackson | 20 | Daughter | Student | Penna. |
| 55 | Elizabeth W. Jackson | 18 | Daughter | Student | Penna. |
| 56 | Elizabeth W. Jackson | 14 | Daughter | Student | Penna. |
| 57 | Mary Towers | 42 | Servant | Servant | New Jersey |
| 58 | Beulah Blake | 43 | Servant | Servant | Virginia |
| 59 | Horace H. Morris | 41 | Head | Consulting Engr | Penna. |
| 60 | Jean R. Morris | 38 | Wife | Homemaker | New Jersey |
| 61 | Horace Morris | 5 | Son | Student | Penna. |
| 62 | Rosanne Morris | 2 | Daughter | — | Penna. |
| 63 | Helen Schroeder | 30 | Maid | Maid | Germany |
| 64 | Amelia F. Siner | 54 | Head | Homemaker | Penna. |
| 65 | Elsie F. Siner | 22 | Daughter | Guest | Penna. |
| 66 | H. Michael Siner | 20 | Son | Draughtsman | Penna. |
| 67 | Robert W. Triggs | 34 | Head | Division Mgr | New Jersey |
| 68 | Margaret M. Triggs | 30 | Wife | Homemaker | N. Y. |
| 69 | M. Michael Triggs | 8 | Son | Student | Penna. |
| 70 | Robert W. Jr. Triggs | 6 | Son | Student | Penna. |
| 71 | John Triggs | 3 | Son | — | Penna. |
| 72 | Margaret E. Triggs | 1 | Daughter | — | Penna. |
| 73 | Rose Mcevoy | 37 | Maid | Maid | Ireland |
| 74 | Catherine Mcevoy | 15 | Daughter | Student | Penna. |
| 75 | Jesse A. Lippincott | 65 | Head | Retired | Penna. |
| 76 | Marie G. Lippincott | 61 | Wife | Homemaker | Penna. |
| 77 | William P. Pugh | 88 | Head | Retired | Penna. |
| 78 | Frances A. Pugh | 85 | Wife | Homemaker | Penna. |
| 79 | Margaret Ryan | 58 | Maid | Maid | Scotland |
| 80 | Emma R. Smith | 65 | Head | Homemaker | Penna. |
| 81 | Ella R. Smith | 42 | Daughter | Buyer | Penna. |
| 82 | Elizabeth S. Smith | 39 | Daughter | Private Secretary | Penna. |
| 83 | Robert J. Allen | 66 | Head | Asst Treasurer | Penna. |
| 84 | Jessie H. Allen | 40 | Daughter | Homemaker | Penna. |
| 85 | Robert K. Allen | 37 | Son | Salesman | Penna. |
| 86 | Harriet M. Allen | 35 | Daughter-in-law | Clerk | Penna. |
| 87 | Robert K. Jr. Allen | 6 | Grandson | Student | Penna. |
| 88 | Charles B. Jr. Fairchild | 52 | Head | President | North Carolina |
| 89 | Marion B. Fairchild | 56 | Wife | Homemaker | Mass. |
| 90 | Elizabeth Fairchild | 65 | Wife | Homemaker | Penna. |
| 91 | Charles Fairchild | 70 | Head | Secretary | Penna. |
| 92 | Rachael Shields | 49 | Maid | Maid | North Carolina |
| 93 | Oscar H. Dickerson | 66 | Head | Broker | Penna. |
| 94 | Anna B. Dickerson | 75 | Mother | Guest | Penna. |
| 95 | Sybilla E. Muer | 64 | Sister | Guest | Penna. |
| 96 | Katie Daugherty | 54 | Servant | Servant | Ireland |
| 97 | Mary Sullivan THIS PERSON | 54 | Head | Homemaker | Penna. |
| 98 | Helga M. Sullivan | 23 | Daughter | Guest | Penna. |
| 99 | Paul Sullivan | 21 | Son | Employee | Penna. |
| 100 | Roger Sullivan | 14 | Son | Student | Penna. |
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)