JB
James Brennan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this James Brennan across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Sophia — first a head (b.~1901), then head of a 3-person household.
Age 29
b. ~1901
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 28 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale meat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50. |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lois Mowry | Daughter | — | 13 | ~1917 |
| James Brennan | Head | — | 29 | ~1901 |
| Pauline Brennan | Spouse | — | 29 | ~1901 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 7
Philadelphia, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Helper |
| Industry | Sugar Mfg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Head, age 29
Philadelphia, Pennsylvania · implied b. ~1901 — 3 household members
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 28 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Wholesale meat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50. |
| Radio Set | R |
| 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 James Brennan across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: father James Brennan (~0.92 confidence) and mother Sophia Brennan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Brennan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Sophia Brennan
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Brennan
Head · 1930 · age 29 · b. ~1901 · Pennsylvania
★ You are viewing this record
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:fifteenthcensus00reel2132:0957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Mccaffrey | 35 | Head | Treasurer | Irish Free State |
| 52 | Mary Mccaffrey | 35 | Wife | — | Pennsylvania |
| 53 | Marie Mccaffrey | 12 | Daughter | — | Massachusetts |
| 54 | Patricia Mccaffrey | 11 | Daughter | — | Pennsylvania |
| 55 | Catherine Mccaffrey | 10 | Daughter | — | Pennsylvania |
| 56 | Jane Mccaffrey | 5 | Daughter | — | Pennsylvania |
| 57 | Raymond Markham | 30 | Head | Machinist | Kentucky |
| 58 | Anna Markham | 34 | Wife | — | Missouri |
| 59 | Frances Markham | 9 | Daughter | — | Missouri |
| 60 | Amelia Hodges | 33 | Mother-in-law | — | Pennsylvania |
| 61 | Luther Hodges | 32 | Bro-in-law | Auto Tester | Kansas |
| 62 | John Pommer | 39 | Head | Printer | Pennsylvania |
| 63 | Frances M Pommer | 38 | Wife | — | Pennsylvania |
| 64 | John Pommer | 12 | Son | — | Pennsylvania |
| 65 | Robert Pommer | 8 | Son | — | Pennsylvania |
| 66 | Hugh Dougherty | 38 | Head | Fireman | Irish Free State |
| 67 | Anna Dougherty | 35 | Wife | — | Irish Free State |
| 68 | Anna Dougherty | 12 | Daughter | — | Pennsylvania |
| 69 | Helen Dougherty | 11 | Daughter | — | Pennsylvania |
| 70 | John Dougherty | 9 | Son | — | Pennsylvania |
| 71 | Theresa Dougherty | 3 | Daughter | — | Pennsylvania |
| 72 | James Brennan THIS PERSON | 29 | Head | Salesman | Pennsylvania |
| 73 | Pauline Brennan | 29 | Wife | — | Pennsylvania |
| 74 | Lois Mowry | 13 | Daughter | — | Pennsylvania |
| 75 | Eugene Cleary | 36 | Head | Brakeman | Pennsylvania |
| 76 | Kalista Cleary | 40 | Wife | — | Pennsylvania |
| 77 | Eugene Jr Cleary | 6 | Son | — | Pennsylvania |
| 78 | Helen Cleary | 4 | Daughter | — | Pennsylvania |
| 79 | Mildred Cleary | 3 | Daughter | — | Pennsylvania |
| 80 | Richard Cleary | 1 | Son | — | Pennsylvania |
| 81 | Ida M Kohler | 62 | Head | — | Pennsylvania |
| 82 | Aaron Kohler | 38 | Son | Pressman | Pennsylvania |
| 83 | Anna M Kohler | 25 | Daughter | Clerk | Pennsylvania |
| 84 | Ida J Baskins | 39 | Daughter | Milliner | Pennsylvania |
| 85 | Anna R Baskins | 16 | Granddaughter | — | Pennsylvania |
| 86 | Herman Dash | 50 | Head | Proprietor | Russia |
| 87 | Sarah Dash | 42 | Wife | — | Russia |
| 88 | Abraham Myers | 50 | Head | Proprietor | Poland |
| 89 | Sarah Myers | 45 | Wife | — | Poland |
| 90 | Tillie Myers | 21 | Daughter | Knitter | Poland |
| 91 | Freda Myers | 18 | Daughter | Knitter | Poland |
| 92 | Helen Myers | 6 | Daughter | — | Pennsylvania |
| 93 | Miriam Myers | 4 | Daughter | — | Pennsylvania |
| 94 | Walter Hagan | 28 | Head | Photographer | Pennsylvania |
| 95 | Gertrude Hagan | 27 | Wife | — | Pennsylvania |
| 96 | Gerard Hagan | 3 | Son | — | Pennsylvania |
| 97 | James Jr Dwyer | 48 | Head | Clerk | Pennsylvania |
| 98 | Marie Dwyer | 21 | Daughter | Clerk | Pennsylvania |
| 99 | Dorothy Dwyer | 19 | Daughter | Stenographer | Pennsylvania |
| 100 | John Miller | 18 | Lodger | — | Pennsylvania |
Pedigree Summary
James
Gen 1 · 2 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)