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Mary Brennan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Brennan across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 5-person household.
Age 57
b. ~1873
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1897 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1873 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Brennan | Daughter | — | 16 | ~1914 |
| Mary Brennan | Head | — | 57 | ~1873 |
| James Brennan | Son | — | 14 | ~1916 |
| Anthony Brennan | Son | — | 18 | ~1912 |
| Peter Brennan | Son | — | 26 | ~1904 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 47
Philadelphia, Pennsylvania · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1898 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Head, age 57
Philadelphia, Pennsylvania · implied b. ~1873 — 5 household members
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1897 |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 69
Philadelphia-County, Pennsylvania · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Maria |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Phila |
| Naturalization Status | First papers filed |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Brennan
Head · 1930 · age 57 · b. ~1873 · 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:fifteenthcensus00reel2140:0226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Leah Neprove | 33 | Wife-H | — | Poland |
| 52 | Fay Neprove | 9 | Daughter | — | Pennsylvania |
| 53 | Milton Neprove | 7 | Son | — | Pennsylvania |
| 54 | Mary Brennan THIS PERSON | 57 | Head | — | Ireland |
| 55 | Peter Brennan | 26 | Son | Dispatcher | Pennsylvania |
| 56 | Anthony Brennan | 18 | Son | Florist | Pennsylvania |
| 57 | Anna Brennan | 16 | Daughter | Waitress | Pennsylvania |
| 58 | James Brennan | 14 | Son | — | Pennsylvania |
| 59 | Joseph Finnerty | 24 | Head | Pressman | Pennsylvania |
| 60 | Rose Finnerty | 22 | Wife-H | — | Pennsylvania |
| 61 | Joan Finnerty | 1 | Daughter | — | Pennsylvania |
| 62 | William Donahue | 24 | Brother-law | Chauffeur | Pennsylvania |
| 63 | Catherine Donahue | 23 | Daughter | — | Pennsylvania |
| 64 | William Donahue | 1 | Son | — | Pennsylvania |
| 65 | Roy Poole | 42 | Head | Plasterer | Pennsylvania |
| 66 | Bertha K. Poole | 39 | Wife-H | — | Pennsylvania |
| 67 | Albert P. Palmer | 49 | Roomer | Painter | Delaware |
| 68 | John Dunbar | 20 | Roomer | Organ Maker | Scotland |
| 69 | Albert Miller | 55 | Roomer | Salesman | Pennsylvania |
| 70 | William H. Myers | 37 | Head | — | Pennsylvania |
| 71 | Francis C. Myers | 5 | Daughter-H | — | Pennsylvania |
| 72 | Leo W. Mayer | 39 | Head | Book Keeper | Pennsylvania |
| 73 | Estelle A. Mayer | 31 | Wife-H | Conductor | Pennsylvania |
| 74 | E. Ruth Mayer | 9 | Daughter | — | Pennsylvania |
| 75 | Elizabeth Hack | 75 | Mother-law | — | Pennsylvania |
| 76 | Lillie Todell | 26 | Sister-law | Secretary | Pennsylvania |
| 77 | Elizabeth Small | 75 | Head | — | New Jersey |
| 78 | Ethel Small | 49 | Daughter | — | New Jersey |
| 79 | Adams Mcgregor | 20 | Roomer | Waiter | England |
| 80 | William Sullivan | 36 | Roomer | Plasterer | New York |
| 81 | John W. Blanchard | 38 | Head | Steward | Maryland |
| 82 | Ida Blanchard | 28 | Wife-H | — | Delaware |
| 83 | Francis Blanchard | 1 | Son | — | Pennsylvania |
| 84 | John A. Hudson | 60 | Head | Asst Manager | Delaware |
| 85 | Emma V. Hudson | 61 | Wife-H | Carpenter | Pennsylvania |
| 86 | Lydia Hudson | 23 | Daughter | — | Pennsylvania |
| 87 | Hazel Hudson | 18 | Daughter | Clerk-Bank | Pennsylvania |
| 88 | Dorothy J. Hudson | 15 | Son | — | Pennsylvania |
| 89 | Ruth Hudson | 13 | Daughter | — | Pennsylvania |
| 90 | Alfred Hudson | 11 | Son | — | Pennsylvania |
| 91 | George F. Dulah | 74 | Uncle | — | Pennsylvania |
| 92 | Harry L. Walls | 38 | Head | Brakeman | Pennsylvania |
| 93 | Edith Walls | 38 | Wife-H | — | Pennsylvania |
| 94 | Joseph Davis | 74 | Head | Salesman | Pennsylvania |
| 95 | Jennie B. Davis | 43 | Daughter-H | — | New Jersey |
| 96 | Ethel Stewart | 30 | Daughter | — | Delaware |
| 97 | Edith H. Fass | 58 | Head | — | Pennsylvania |
| 98 | Edward H. Munson | 36 | Son-law | Pressman | Pennsylvania |
| 99 | Alma Munson | 32 | Daughter | — | Pennsylvania |
| 100 | Herbert K. Munson | 1 | Grandson | — | Pennsylvania |
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)