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Clifford Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Clifford Brown across the 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 13-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Brown |
| Given Name | Clifford |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Keithsburg City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Keithsburg City |
| Est. Birth Year | ~1926 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clifford | Age | Birth yr |
|---|---|---|---|---|
| Clinton Brown | Head | — | 42 | ~1898 |
| Beverly Brown | Daughter | — | 7 | ~1933 |
| Lilly Brown | Daughter | — | 16 | ~1924 |
| Leslie Brown | Son | — | 19 | ~1921 |
| Dorothy Brown | Daughter | — | 20 | ~1920 |
| Shirley Brown | Daughter | — | 8 | ~1932 |
| Ruth Brown | Daughter | — | 12 | ~1928 |
| Doris Brown | Daughter | — | 10 | ~1930 |
| Jerry Brown | Daughter | — | 2 | ~1938 |
| Ethel Brown | Daughter | — | 5 | ~1935 |
| David Brown | Son | — | 4 | ~1936 |
| Clifford Brown | Son | — | 14 | ~1926 |
| Pearl Brown | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Mercer, Illinois
Son, age 4
Mercer, Illinois · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Clifford |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Son, age 14
Mercer-County, Illinois · implied b. ~1926 — 13 household members
| Surname | Brown |
| Given Name | Clifford |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Keithsburg City |
| 1935 Residence (County) | Mercer |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Clifford Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clifford Brown
Son · 1940 · age 14 · b. ~1926 · Illinois
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Sibling
Dorothy Brown
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Brown
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Brown
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Brown
Sibling · 1940 · age 19
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 — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Billy D Hannig | 8 | son | — | Illinois |
| 2 | James Hannig | 6 | son | — | Illinois |
| 3 | Erna Hannig | 5 | daughter | — | Illinois |
| 4 | John Hannig | 4 | son | — | Illinois |
| 5 | Joyce Hannig | 1 | daughter | — | Illinois |
| 6 | Mattie D Brown | 67 | head | — | Illinois |
| 7 | Albert Willits | 73 | head | Farmer | Illinois |
| 8 | Rose May Willits | 70 | wife | — | Illinois |
| 9 | Victor Bader | 77 | brother-in-law | — | Illinois |
| 10 | Evelyn G Keim | 53 | head | Cook | Ohio |
| 11 | William Keim | 6 | grandson | — | Illinois |
| 12 | Laura Munson | 46 | head | — | Illinois |
| 13 | Henry Munson | 28 | son | Night Watchman | Illinois |
| 14 | Lois Munson | 16 | daughter | — | Illinois |
| 15 | Richard Munson | 13 | son | — | Illinois |
| 16 | Gene Munson | 8 | son | — | Illinois |
| 17 | Lorenzo Hall | 63 | head | Farm Hand | Iowa |
| 18 | Earl Kesler | 31 | head | — | Nebraska |
| 19 | Mary Kesler | 20 | wife | — | Nebraska |
| 20 | Beverly Kesler | 2 | son | — | Iowa |
| 21 | Cheryl L Kesler | 0 | daughter | — | Illinois |
| 22 | Walter Pullen | 37 | head | Common Laborer | Virginia |
| 23 | Mildred Pullen | 29 | wife | — | N. Dakota |
| 24 | Lyle Pullen | 12 | son | Common Laborer | Illinois |
| 25 | Floyd Pullen | 8 | son | — | Illinois |
| 26 | Helen Pullen | 6 | daughter | — | Illinois |
| 27 | Annette Pullen | 1 | daughter | — | Illinois |
| 28 | Clinton Brown | 42 | head | Common Laborer | Illinois |
| 29 | Pearl M Brown | 36 | wife | — | Iowa |
| 30 | Dorothy Brown | 20 | daughter | — | Illinois |
| 31 | Leslie Brown | 19 | son | Farm Hand | Illinois |
| 32 | Lilly Brown | 16 | daughter | — | Illinois |
| 33 | Clifford Brown THIS PERSON | 14 | son | — | Illinois |
| 34 | Ruth Brown | 12 | daughter | — | Illinois |
| 35 | Doris Brown | 10 | daughter | — | Illinois |
| 36 | Shirley Brown | 8 | daughter | — | Illinois |
| 37 | Beverly Brown | 7 | daughter | — | Illinois |
| 38 | Ethel Brown | 5 | daughter | — | Illinois |
| 39 | David Brown | 4 | son | — | Illinois |
| 40 | Jerry Brown | 2 | daughter | — | Illinois |
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)