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Clarence Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Clarence Brown across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Isaac & Ada — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Brown |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 10 |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | mason |
| Industry | Stone masonry |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 700 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Mason |
| Township / Ward | Hauvers District Election District 10 |
| Est. Birth Year | ~1903 |
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 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Mayetta Brown | Daughter | — | 11 | ~1929 |
| Hilda Brown | Daughter | — | 14 | ~1926 |
| Thelma Brown | Daughter | — | 9 | ~1931 |
| Martha Brown | Daughter | — | 16 | ~1924 |
| Clarence Brown | Head | — | 37 | ~1903 |
| Letha Brown | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Frederick, Maryland
Son, age 17
Frederick, Maryland · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Clarence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 27
Frederick, Maryland · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Clarence L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Mason |
| Industry | Stone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 37
Frederick-County, Maryland · implied b. ~1903 — 6 household members
| Surname | Brown |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 10 |
| 1935 Residence (County) | Frederick |
| Occupation | mason |
| Industry | Stone masonry |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 700 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| 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 Clarence Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isaac Brown (~0.92 confidence) and mother Ada Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Brown
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ada Brown
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Brown
Head · 1940 · age 37 · b. ~1903 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Brown | 22 | Head | Helper | Maryland |
| 42 | Mary Brown | 18 | Wife | — | Maryland |
| 43 | Guy Wise | 23 | Head | Laborer | Maryland |
| 44 | Aletha Wise | 24 | Wife | Machine Operator | Maryland |
| 45 | Laurene Wise | 6 | Daughter | — | Maryland |
| 46 | Henry Smith | 52 | Head | Farmer | Maryland |
| 47 | Nettie Smith | 42 | Wife | — | Maryland |
| 48 | William Smith | 20 | Son | Laborer | Maryland |
| 49 | Bina Smith | 17 | Daughter | — | Maryland |
| 50 | Charles Smith | 15 | Son | Helper | Maryland |
| 51 | Mildred Smith | 12 | Daughter | — | Maryland |
| 52 | Harvey Smith | 10 | Son | — | Maryland |
| 53 | Josephine Smith | 8 | Daughter | — | Maryland |
| 54 | Clyde Smith | 6 | Son | — | Maryland |
| 55 | Benny Smith | 3 | Son | — | Maryland |
| 56 | Katherine Smith | 1 | Daughter | — | Maryland |
| 57 | Robert Calimer | 51 | Head | Farmer | Pennsylvania |
| 58 | Mary Calimer | 49 | Wife | — | Maryland |
| 59 | Harvey Calimer | 24 | Son | Mason | Maryland |
| 60 | Lee Calimer | 18 | Son | Helper | Maryland |
| 61 | Calvin Calimer | 15 | Son | — | Maryland |
| 62 | Mary Calimer | 13 | Daughter | — | Maryland |
| 63 | Ross Calimer | 11 | Daughter | — | Maryland |
| 64 | Thaddeus Calimer | 8 | Son | — | Maryland |
| 65 | Clarence Brown THIS PERSON | 37 | Head | Mason | Maryland |
| 66 | Letha Brown | 35 | Wife | — | Maryland |
| 67 | Martha Ellen Brown | 16 | Daughter | — | Maryland |
| 68 | Hilda Brown | 14 | Daughter | — | Maryland |
| 69 | Mayetta Brown | 11 | Daughter | — | Maryland |
| 70 | Thelma Brown | 9 | Daughter | — | Maryland |
| 71 | Charles E. Mckissick | 27 | Head | Painter | Maryland |
| 72 | Marian Mckissick | 21 | Wife | — | Maryland |
| 73 | Nancy Mckissick | 3 | Daughter | — | Maryland |
| 74 | Edward Mckissick | 1 | Son | — | Maryland |
| 75 | Anna E. Eby | 59 | Head | — | Maryland |
| 76 | Annabella Eby | 24 | Daughter | English & French Teacher | Maryland |
| 77 | Wilbur Goy | 41 | Head | Farmer | Maryland |
| 78 | Myrtle Goy | 37 | Wife | — | Maryland |
| 79 | Merle Goy | 19 | Son | Helper | Maryland |
| 80 | Paul Goy | 16 | Son | — | Maryland |
Related Census Records
Pedigree Summary
Clarence
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 1940 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)