RA
Richard Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Richard Allen across the 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Allen |
| Given Name | Richard R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Galesburg |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Betty Allen | Daughter | — | 13 | ~1927 |
| Irma Allen | Daughter | — | 8 | ~1932 |
| Leona Allen | Daughter | — | 14 | ~1926 |
| Percy Allen | Head | — | 40 | ~1900 |
| Lloyd Allen | Son | — | 4 | ~1936 |
| Richard Allen | Son | — | 12 | ~1928 |
| Ronald Allen | Son | — | 7 | ~1933 |
| Robert Allen | Son | — | 9 | ~1931 |
| Hazel Allen | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Knox, Illinois
Other, age 1
Knox, Illinois · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Richard R. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Son, age 12
Knox-County, Illinois · implied b. ~1928 — 9 household members
| Surname | Allen |
| Given Name | Richard R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg |
| 1935 Residence (County) | Knox |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 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 Richard Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Allen
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Ronald Allen
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Allen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Allen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Allen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Allen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Allen
Sibling · 1940 · age 14
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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00826-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen F. (X) Conner | 42 | Wife | — | Illinois |
| 2 | Hugh P. Mcguire | 40 | Brother | Brakeman | Illinois |
| 3 | Bertha Anderson | 45 | Head | Teamstress | Illinois |
| 4 | Albert E. Moberg | 54 | Head | Locomotive Engineer | Iowa |
| 5 | Luella B. (X) Moberg | 51 | Wife | — | Illinois |
| 6 | Howard M. Brown | 26 | Head | Bookkeeper | Illinois |
| 7 | Martha G. Brown | 26 | Wife | — | Illinois |
| 8 | Shirley J. Brown | 3 | Daughter | — | Illinois |
| 9 | Joe E. Allen | 64 | Head | Laborer | Illinois |
| 10 | Hattie M. (X) Allen | 59 | Wife | — | Illinois |
| 11 | Percy L. Allen | 40 | Head | Driver | Illinois |
| 12 | Hazel R. (X) Allen | 36 | Wife | — | Ohio |
| 13 | Leona M. Allen | 14 | Daughter | — | Illinois |
| 14 | Betty J. Allen | 13 | Daughter | — | Illinois |
| 15 | Richard R. Allen THIS PERSON | 12 | Son | — | Illinois |
| 16 | Robert L. Allen | 9 | Son | — | Illinois |
| 17 | Irma J. Allen | 8 | Daughter | — | Illinois |
| 18 | Ronald J. Allen | 7 | Son | — | Illinois |
| 19 | Lloyd H. Allen | 4 | Son | — | Illinois |
| 20 | Homer Alters | 72 | Head | — | Illinois |
| 21 | Carrie E. (X) Alters | 63 | Wife | — | Illinois |
| 22 | Adam J. (X) Lantz | 46 | Head | — | Illinois |
| 23 | Mabel B. Lantz | 57 | Wife | — | Illinois |
| 24 | James A. Campbell | 56 | Head | Truck Driver | Pennsylvania |
| 25 | Edna M. Campbell | 54 | Wife | — | Illinois |
| 26 | William J. Watkins | 30 | Head | Driver | Illinois |
| 27 | Frances L. (X) Watkins | 23 | Wife | — | Illinois |
| 28 | Harold L. (X) Wilkerson | 37 | Head | Truck Driver | Missouri |
| 29 | Ethel M. Wilkerson | 32 | Wife | Teamstress | Illinois |
| 30 | Lois C. Wilkerson | 12 | Daughter | — | Illinois |
| 31 | Harley C. (X) Hoag | 33 | Head | Machinist | Illinois |
| 32 | Betty A. Hoag | 30 | Wife | Salesman | Missouri |
| 33 | Ralph L. Hoag | 11 | Son | — | Arkansas |
| 34 | Nora M. (X) Vickes | 66 | Head | — | Illinois |
| 35 | Mabel M. Vickes | 46 | Daughter | — | Illinois |
| 36 | Jack L. (X) Cathcart | 27 | Roomer | Special Agent (Police) | Colorado |
| 37 | Audra Woods | None | Roomer | — | — |
| 38 | William S. (X) Hodgson | 68 | Head | — | Illinois |
| 39 | Hattie S. Hodgson | 68 | Wife | — | Michigan |
| 40 | Mary E. Mcmullen | 78 | Head | — | Canada |
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)