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Frederick Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Frederick Brown across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Violet & Adam — first a head (b.~1894), then head of a 5-person household.
Age 36
b. ~1894
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brown |
| Given Name | Frederick D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Police Patrolman |
| Industry | County Police |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Police Patrolman |
| Township / Ward | Lansdowne Part |
| Est. Birth Year | ~1894 |
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 Frederick | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Spouse | — | 36 | ~1894 |
| Thomas Brown | Son | — | 11 | ~1919 |
| Samuel Brown | Son | — | 2 | ~1928 |
| Frederick Brown | Head | — | 36 | ~1894 |
| William Brown | Son | — | 6 | ~1924 |
Census Appearances
Son, age 16
Baltimore, Maryland · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Home Farm |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 25
Baltimore, Maryland · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 36
Baltimore, Maryland · implied b. ~1894 — 5 household members
| Surname | Brown |
| Given Name | Frederick D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Police Patrolman |
| Industry | County Police |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Frederick Brown across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage. Identified parents: mother Violet Brown (~0.92 confidence) and father Adam Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Violet Brown
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Adam Brown
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Brown
Head · 1930 · age 36 · b. ~1894 · Maryland
★ 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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus847unit:0347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick D Brown THIS PERSON | 36 | Head | Police Patrolman | Maryland |
| 2 | Mary Brown | 36 | Wife | — | Maryland |
| 3 | Thomas J Brown | 11 | Son | — | Maryland |
| 4 | William E Brown | 6 | Son | — | Maryland |
| 5 | Samuel E Brown | 2 | Son | — | Maryland |
| 6 | Lewis L Cuffley | 31 | Head | Laborer | Maryland |
| 7 | Clara Cuffley | 35 | Wife | — | Maryland |
| 8 | Dennis J Cuffley | 13 | Son | — | Maryland |
| 9 | Dewey J Cuffley | 12 | Son | — | Maryland |
| 10 | James E Cuffley | 10 | Son | — | Maryland |
| 11 | Anna M Cuffley | 9 | Daughter | — | Maryland |
| 12 | Marguerite F Cuffley | 7 | Daughter | — | Maryland |
| 13 | Edward N Cuffley | 4 | Son | — | Maryland |
| 14 | Clara M Cuffley | 2 | Daughter | — | Maryland |
| 15 | Robert J Cuffley | 0 | Son | — | Maryland |
| 16 | Charles R Blankenship | 36 | Head | Cutter Machine | Maryland |
| 17 | Martha M Blankenship | 28 | Wife | — | Maryland |
| 18 | Charles N Blankenship | 9 | Son | — | Maryland |
| 19 | Evelyn M Blankenship | 8 | Daughter | — | Maryland |
| 20 | Gertrude D Blankenship | 5 | Daughter | — | Maryland |
| 21 | George W Blankenship | 3 | Son | — | Maryland |
| 22 | Benjamin Franklyn | 51 | Head | Laborer | Maryland |
| 23 | Mary M Franklyn | 47 | Wife | — | Maryland |
| 24 | Ernest Chaney | 27 | Head | Chauffeur | Maryland |
| 25 | Helen Chaney | 27 | Wife | — | Maryland |
| 26 | William F Weber | 34 | Head | Salesman | Maryland |
| 27 | Elsie E Weber | 27 | Wife | — | Maryland |
| 28 | Caroline E Weber | 5 | Daughter | — | Maryland |
| 29 | Betty E Weber | 3 | Daughter | — | Maryland |
| 30 | Ruth E Weber | 2 | Daughter | — | Maryland |
| 31 | John W Fellers | 37 | Head | Clerk | West Virginia |
| 32 | Virginia Fellers | 32 | Wife | — | Maryland |
| 33 | Cordelia V Fellers | 6 | Daughter | — | Maryland |
| 34 | Yvonne F Fellers | 4 | Daughter | — | Maryland |
| 35 | Albert Miles | 45 | Head | Track Laborer | Maryland |
| 36 | Minnie K Miles | 38 | Wife | — | Maryland |
| 37 | John H A Miles | 19 | Son | Track Laborer | Maryland |
| 38 | Alberta M A Miles | 16 | Daughter | Clothing Maker | Maryland |
| 39 | Charles F Miles | 14 | Son | — | Maryland |
| 40 | Frederick W Miles | 4 | Son | — | Maryland |
| 41 | Lee E Thomas | 38 | Head | Paper Machinist | Maryland |
| 42 | Catherine A Thomas | 36 | Wife | — | Maryland |
| 43 | Ruth E Thomas | 17 | Daughter | Paper Box Maker | Maryland |
| 44 | Catherine M Thomas | 16 | Daughter | Paper Box Maker | Maryland |
| 45 | Roy E Thomas | 13 | Son | — | Maryland |
| 46 | Lee E Jr Thomas | 12 | Son | — | Maryland |
| 47 | Iris M Thomas | 10 | Daughter | — | Maryland |
| 48 | Arthur E Thomas | 6 | Son | — | Maryland |
| 49 | Annie E Snodgrass | 45 | Head | Pants Maker | Maryland |
| 50 | Marguerite Snodgrass | 23 | Daughter | Pants Maker | Maryland |
Related Census Records
Pedigree Summary
Frederick
Gen 1 · 3 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)