JB
James Brennan — 1930 US Census Record
Model Tree available1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this James Brennan across the 1920, 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed), with identified parents Patrick & Catherine — first a head (b.~1896), then head of a 6-person household.
Age 34
b. ~1896
Male
Head
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 28 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Cotton Belt RR |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32.50 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Clerk |
| Township / Ward | City Of St Louis |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Brennan | Daughter | — | 5 | ~1925 |
| Katherine Brennan | Daughter | — | 3 | ~1927 |
| James Brennan | Head | — | 34 | ~1896 |
| Dorman Brennan | Other | — | 64 | ~1866 |
| James Brennan | Son | — | 1 | ~1929 |
| Mary Brennan | Spouse | — | 40 | ~1890 |
Census Appearances
1920
St Louis, …
Son, age 22
St Louis, Missouri · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 34
St Louis, Missouri · implied b. ~1896 — 6 household members
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 28 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Cotton Belt RR |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32.50 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Other, age 44
St.-Louis-City-County, Missouri · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis (City) |
| Occupation | clerk |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 20 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Brennan (~0.92 confidence) and mother Catherine Brennan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Brennan
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Catherine Brennan
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Brennan
Head · 1930 · age 34 · b. ~1896 · Missouri
★ 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 — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1231:0770)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Ullimann | 23 | Son | Auditor | Missouri |
| 52 | Josephine Ullimann | 18 | Daughter | Cashier | Missouri |
| 53 | Steve Morth | 30 | Head | Mechanic | Jugo Slavia |
| 54 | Mary Morth | 26 | Wife | — | Jugo Slavia |
| 55 | Lorraine D Morth | 2 | Daughter | — | Missouri |
| 56 | Doris G Morth | 0 | Daughter | — | Missouri |
| 57 | John Vogel | 60 | Head | Fireman | Missouri |
| 58 | Angie Vogel | 54 | Wife | — | Missouri |
| 59 | Cecil Vogel | 14 | Son | — | Missouri |
| 60 | Marabell Vogel | 12 | Daughter | — | Missouri |
| 61 | Lorraine Vogel | 11 | Daughter | — | Missouri |
| 62 | Donald Vogel | 8 | Son | — | Missouri |
| 63 | John Jr. Vogel | 6 | Son | — | Missouri |
| 64 | Patrick J Brennan | 72 | Head | Baggage Handler | Ireland |
| 65 | Daniel Brennan | 25 | Son | Baggage Handler | Missouri |
| 66 | Martin Brennan | 23 | Son | — | Missouri |
| 67 | Sophie Forey | 75 | Head | — | Missouri |
| 68 | Jasper Forey | 48 | Son | Odd Jobs | Missouri |
| 69 | Rachel Forey | 36 | Daughter | Housekeeper | Missouri |
| 70 | Lipke, Tillie Forey | 52 | Lodger | Hat Maker | Missouri |
| 71 | James Brennan THIS PERSON | 34 | Head | Clerk | Missouri |
| 72 | Mary Brennan | 40 | Wife | — | Missouri |
| 73 | Mary Brennan | 5 | Daughter | — | Missouri |
| 74 | Katherine Brennan | 3 | Daughter | — | Missouri |
| 75 | James Brennan | 1 | Son | — | Missouri |
| 76 | Dorman, Ellen Brennan | 64 | Mother-in-law | — | Missouri |
| 77 | George Dapron | 37 | Head | Carpenter | Illinois |
| 78 | Mary Dapron | 35 | Wife | — | Missouri |
| 79 | Harry Dapron | 14 | Son | Delivery Boy | Missouri |
| 80 | Leahmae Dapron | 13 | Daughter | — | Missouri |
| 81 | Steve Maslovars | 47 | Head | Water Dept | Jugo Slavia |
| 82 | Mary Maslovars | 47 | Wife | — | Jugo Slavia |
| 83 | Pauline Maslovars | 18 | Daughter | Laundress | Missouri |
| 84 | Annie Maslovars | 17 | Daughter | Laundress | Missouri |
| 85 | Dorothy Maslovars | 14 | Daughter | — | Missouri |
| 86 | Katherine Maslovars | 13 | Daughter | — | Missouri |
| 87 | Steve Maslovars | 10 | Son | — | Kentucky |
| 88 | James Clark | 49 | Head | Barber | Arkansas |
| 89 | Jessie Clark | 34 | Wife | — | Kentucky |
| 90 | Helen Clark | 14 | Daughter | — | Arkansas |
| 91 | Goldie Clark | 12 | Daughter | — | Arkansas |
| 92 | Goldie Clark | 8 | Daughter | — | Arkansas |
| 93 | Roy Clark | 10 | Son | — | Arkansas |
| 94 | Fern Clark | 13 | Daughter | — | Illinois |
| 95 | A. B. Moore | 73 | Head | — | Iowa |
| 96 | Mabel Moore | 65 | Wife | — | Tennessee |
| 97 | Joseph Moore | 35 | Son | Conductor | Missouri |
| 98 | Darner, Ida E Moore | 43 | Daughter | — | Missouri |
| 99 | Mae Moore | 43 | Daughter | Spotter | Missouri |
| 100 | Homer Roman | 31 | Head | Railway Mail Ser | 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)