RB
Ralph Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Ralph Brown across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Ralph & Genevieve — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Salesman |
| Industry | Clothing Store |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Salesman |
| Township / Ward | Denver City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Le Cramblet | Daughter | — | 13 | ~1927 |
| Margaret Cramblet | Daughter | — | 14 | ~1926 |
| George Cramblet | Head | — | 37 | ~1903 |
| Chester Farelli | Other | — | 23 | ~1917 |
| George Cramblet | Son | — | 7 | ~1933 |
| Llewellyn Hamy | Son | — | 23 | ~1917 |
| Ralph Brown | Son | — | 28 | ~1912 |
| Dorothy Cramblet | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Denver, Colorado
Son, age 8
Denver, Colorado · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 18
Denver, Colorado · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Ralph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 28
Denver-County, Colorado · implied b. ~1912 — 8 household members
| Surname | Brown |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | Salesman |
| Industry | Clothing Store |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Ralph Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Brown (~0.92 confidence) and mother Genevieve Brown (~0.92 confidence) and mother Katherine Brown (~0.92 confidence) and father Ralph Brown (~0.92 confidence) and father George Cramblet (~0.60 confidence) and mother Dorothy Cramblet (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Ralph Brown
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Genevieve Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Katherine Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Ralph Brown
b. ~1891
Source father
● Household
· direct · ~0.92
Father
George Cramblet
b. ~1903
Source father
● Household
· direct · ~0.6
Mother
Dorothy Cramblet
b. ~1906
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Ralph Brown
Son · 1940 · age 28 · b. ~1912 · Colorado
★ You are viewing this record
Sibling
George Cramblet
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cramblet
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Le Cramblet
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Llewellyn Hamy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00484-00583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Garel | 41 | Head | Salesman | Russia |
| 2 | Jean Garel | 35 | Wife | Stenographer | Colorado |
| 3 | Beatrice Garel | 15 | Daughter | Stock Boy | Colorado |
| 4 | E. P. Sandstrom | 41 | Head | Office Clerk | Colorado |
| 5 | Sara H. Sandstrom | 37 | Wife | — | Missouri |
| 6 | Edward C. Sandstrom | 14 | Son | — | Colorado |
| 7 | Edward Mcnicholas | 47 | Head | Blacksmith | Ireland |
| 8 | Mary A. Mcnicholas | 46 | Wife | — | Ireland |
| 9 | Margaret Mcnicholas | 21 | Daughter | Clerk | Colorado |
| 10 | Edward J. Mcnicholas | 18 | Son | — | Colorado |
| 11 | Helen M. Mcnicholas | 14 | Daughter | — | Colorado |
| 12 | John M. Mcnicholas | 11 | Son | — | Colorado |
| 13 | William H. Nicholas | 70 | Head | Bookkeeper | England |
| 14 | Phoebe Nicholas | 60 | Wife | — | England |
| 15 | Dorothy Nicholas | 30 | Daughter | Stenographer | England |
| 16 | Emily G. Nicholas | 21 | Daughter | — | Colorado |
| 17 | Emil E. Stahr | 65 | Head | — | Germany |
| 18 | Lydia Stahr | 62 | Wife | — | Missouri |
| 19 | Harry Nelson | 31 | Head | Butcher | Colorado |
| 20 | Rose V. Nelson | 30 | Wife | — | Colorado |
| 21 | Sheridan Nelson | 3 | Daughter | — | Colorado |
| 22 | Joan Nelson | 2 | Daughter | — | Colorado |
| 23 | George Cramblet | 37 | Head | Construction Engineer | England |
| 24 | Dorothy Cramblet | 34 | Wife | — | Colorado |
| 25 | Margaret Cramblet | 14 | Daughter | — | Colorado |
| 26 | Le Ida Cramblet | 13 | Daughter | — | Colorado |
| 27 | George Cramblet | 7 | Son | — | Colorado |
| 28 | Llewellyn Hamy | 23 | Son | Pressman | Colorado |
| 29 | Ralph Brown THIS PERSON | 28 | Son | Salesman | Colorado |
| 30 | Chester Farelli | 23 | Brother | — | Colorado |
| 31 | Charles Windesker | 45 | Head | Caretaker | Colorado |
| 32 | R. M. Brown | 52 | Head | Salesman | Nebraska |
| 33 | Wife Brown | None | F | — | — |
| 34 | Robert C. Brown | 20 | Son | Shipping Clerk | Colorado |
| 35 | Abraham Linken | 75 | Father-in-law | — | Illinois |
| 36 | Lola Prazzini | 29 | Sister | Clerk | Utah |
| 37 | Beatrice Prazzini | 27 | Sister | Clerk | Italy |
| 38 | Ben Selene | 55 | Son | Checker | Idaho |
| 39 | Shirley Newcomb | 4 | Daughter | — | Colorado |
| 40 | Nancy Newcomb | 6 | Daughter | — | Colorado |
Pedigree Summary
Ralph + 4 siblings
Gen 1 · 6 parents
~0.81
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)