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David Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this David Allen across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 12-person household.
Age 18
b. ~1922
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Allen |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1922 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Clarence Allen | Son | — | 21 | ~1919 |
| Mary Allen | Daughter | — | 8 | ~1932 |
| Herschel Allen | Son | — | 9 | ~1931 |
| Helen Allen | Spouse | — | 44 | ~1896 |
| Harry Allen | Son | — | 4 | ~1936 |
| Morris Allen | Son | — | 24 | ~1916 |
| Peggy Allen | Daughter | — | 11 | ~1929 |
| Herschel Allen | Head | — | 54 | ~1886 |
| Richard Allen | Son | — | 14 | ~1926 |
| Robert Allen | Son | — | 16 | ~1924 |
| David Allen | Son | — | 18 | ~1922 |
| Annabelle Allen | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Mahoning, Ohio
Son, age 8
Mahoning, Ohio · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | David W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Son, age 18
Mahoning-County, Ohio · implied b. ~1922 — 12 household members
| Surname | Allen |
| Given Name | David |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Allen
Son · 1940 · age 18 · b. ~1922 · Ohio
★ You are viewing this record
Sibling
Richard Allen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Allen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Allen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Allen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Allen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Allen
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herschel Allen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Allen
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Allen
Sibling · 1940 · age 4
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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03271-00150)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Myers | 32 | son | Route Man | Ohio |
| 2 | Harry Morrison | 30 | son-in-law | Shearman | Ohio |
| 3 | Helen Morrison | 24 | daughter | — | Ohio |
| 4 | Howard Morrison | 3 | grandson | — | Ohio |
| 5 | Eugene Stafford | 68 | head | — | Ohio |
| 6 | Herschel C. Allen | 54 | head | Truck Driver | Pennsylvania |
| 7 | Helen J. Allen | 44 | wife | — | Ohio |
| 8 | Morris Allen | 24 | son | Truck Driver | Ohio |
| 9 | Clarence Allen | 21 | son | Truck Loader | Ohio |
| 10 | David Allen THIS PERSON | 18 | son | — | Ohio |
| 11 | Robert Allen | 16 | son | — | Ohio |
| 12 | Richard Allen | 14 | son | — | Ohio |
| 13 | Annabelle Allen | 12 | daughter | — | Ohio |
| 14 | Peggy Allen | 11 | daughter | — | Ohio |
| 15 | Herschel Allen | 9 | son | — | Ohio |
| 16 | Mary Helen Allen | 8 | daughter | — | Ohio |
| 17 | Harry Allen | 4 | son | — | Ohio |
| 18 | Leo Stebber | 28 | head | Laborer | Ohio |
| 19 | Kathryn Stebber | 25 | wife | — | Ohio |
| 20 | Donald Stebber | 4 | son | — | Ohio |
| 21 | Frank Friedenberg | 21 | nephew | Laborer | Ohio |
| 22 | Edward Friedenberg | 19 | nephew | — | Ohio |
| 23 | Edward J. Lord | 36 | head | Manager | Massachusetts |
| 24 | Shirley A. Lord | 28 | wife | — | Massachusetts |
| 25 | Nancy Lord | 5 | daughter | — | Massachusetts |
| 26 | Barry Lord | 3 | son | — | Massachusetts |
| 27 | Ruby Bramley | 58 | sister | — | New York |
| 28 | Claude R. Thomas | 54 | head | Owner | Nebraska |
| 29 | Iona H. Thomas | 53 | wife | — | Ohio |
| 30 | Ivan L. Treat | 52 | head | Broker | Iowa |
| 31 | Esther A. Treat | 49 | wife | — | Kansas |
| 32 | Olive Treat | 8 | daughter | — | Ohio |
| 33 | Wallace F. Judd | 49 | head | Attorney | Illinois |
| 34 | Margaret H. Judd | 48 | wife | — | New Jersey |
| 35 | Arthur H. Judd | 11 | son | — | Ohio |
| 36 | Catherine Reynolds | 76 | mother-in-law | — | Pennsylvania |
| 37 | Arthur E. Reynolds | 38 | brother-in-law | Salesman | Pennsylvania |
| 38 | Sylvia Conners | 34 | maid | Maid | Pennsylvania |
| 39 | Lawrence Underwood | 59 | head | Asst. Vice Pres. | Illinois |
| 40 | Irene L. Underwood | 57 | wife | — | Iowa |
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)