IA
Ida Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buchanan-County, Virginia
Our Model Tree links this Ida Allen across the 1930 and 1940 US Censuses in Buchanan-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Virginia |
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Knox Mag. |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Knox Mag |
| Est. Birth Year | ~1918 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Mae Allen | Daughter | — | 16 | ~1924 |
| Mable Allen | Daughter | — | 13 | ~1927 |
| Bill Allen | Spouse | — | 53 | ~1887 |
| Roy Allen | Son | — | 21 | ~1919 |
| Lillian Allen | Daughter | — | 10 | ~1930 |
| Ida Allen | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Buchanan, Virginia
Daughter, age 13
Buchanan, Virginia · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Buchanan-County, Virginia
Daughter, age 22
Buchanan-County, Virginia · implied b. ~1918 — 6 household members
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Knox Mag. |
| 1935 Residence (County) | Buchanan |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Ida Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Allen
Daughter · 1940 · age 22 · b. ~1918 · Virginia
★ You are viewing this record
Sibling
Lillian Allen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Allen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Allen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Allen
Sibling · 1940 · age 21
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 — Buchanan-County, Virginia
Open full size
1940 US Federal Census — Buchanan-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04251-00705)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bill Allen | 53 | Wife | — | Virginia |
| 2 | Ida Allen THIS PERSON | 22 | Daughter | — | Virginia |
| 3 | Roy Allen | 21 | Son | — | Virginia |
| 4 | Mae Allen | 16 | Daughter | — | Virginia |
| 5 | Mable Allen | 13 | Daughter | — | Virginia |
| 6 | Lillian Allen | 10 | Daughter | — | Virginia |
| 7 | James Hockney | 63 | Head | Laborer | Kentucky |
| 8 | Barbara Hockney | 64 | Wife | — | Kentucky |
| 9 | Thomas Goodin | 62 | Head | Laborer | Kentucky |
| 10 | Lizzie Goodin | 54 | Wife | — | Kentucky |
| 11 | Leonard Goodin | 17 | Son | Laborer | Kentucky |
| 12 | Alice Goodin | 13 | Daughter | — | Kentucky |
| 13 | W. G. Charles | 76 | Head | Laborer | Virginia |
| 14 | Mary Justice | 40 | Keeper | Housekeeper | Virginia |
| 15 | Percy Justice | 8 | Son | — | W. Virginia |
| 16 | Celia Murphy | 31 | Head | Laborer | Virginia |
| 17 | Hailey Murphy | 48 | Mother | — | Virginia |
| 18 | Arnold Mclemore | 39 | Head | Postmaster | Kentucky |
| 19 | Elsie Mclemore | 24 | Wife | — | Virginia |
| 20 | Elizabeth Mclemore | 13 | Daughter | — | Virginia |
| 21 | Jackline Mclemore | 7 | Daughter | — | Virginia |
| 22 | Philles Mclemore | 5 | Daughter | — | Virginia |
| 23 | Bobby Ray Mclemore | 1 | Son | — | Virginia |
| 24 | Bill Sloan | 27 | Head | Laborer | Virginia |
| 25 | Ruby Sloan | 22 | Wife | — | Virginia |
| 26 | Pauline Sloan | 6 | Daughter | — | Virginia |
| 27 | Louise Sloan | 4 | Daughter | — | Virginia |
| 28 | Cecil Sloan | 1 | Son | — | Virginia |
| 29 | Edward Chambers | 27 | Head | Laborer | Virginia |
| 30 | Mildred Chambers | 16 | Wife | — | Virginia |
| 31 | Shelby Chambers | 1 | Daughter | — | Virginia |
| 32 | David Smith | 24 | Head | Laborer | Kentucky |
| 33 | Nannie Smith | 33 | Wife | — | Kentucky |
| 34 | William Smith | 2 | Nephew | — | Virginia |
| 35 | June Blankenship | 16 | Niece | — | Kentucky |
| 36 | Jane Cox | 58 | Head | — | Virginia |
| 37 | Lonnie Cox | 18 | Son | Laborer | Virginia |
| 38 | Tiny Cox | 19 | Daughter | — | Virginia |
| 39 | James Cox | 32 | Son | — | Virginia |
| 40 | Ralph Cox | 2 | Grandson | — | Virginia |
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)