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Mary Howell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Mary Howell across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Howell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Dist 20 Downsville |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Beverly Howell | Daughter | — | 6 | ~1934 |
| Ruth Howell | Daughter | — | 11 | ~1929 |
| Margaret Howell | Daughter | — | 2 | ~1938 |
| Jessie Howell | Daughter | — | 9 | ~1931 |
| Mary Howell | Daughter | — | 17 | ~1923 |
| Sam Howell | Head | — | 37 | ~1903 |
| Joseph Howell | Son | — | 13 | ~1927 |
| Ralph Howell | Son | — | 1 | ~1939 |
| Calvin Howell | Son | — | 15 | ~1925 |
| Edgar Howell | Son | — | 3 | ~1937 |
| Emma Howell | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Washington, Maryland
Daughter, age 6
Washington, Maryland · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Howell |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Daughter, age 17
Washington-County, Maryland · implied b. ~1923 — 11 household members
| Surname | Howell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Highest Grade | H 1 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Mary Howell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Howell
Daughter · 1940 · age 17 · b. ~1923 · Maryland
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Sibling
Calvin Howell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Howell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Howell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Howell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Howell
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Howell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Howell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Howell
Sibling · 1940 · age 11
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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01562-00685)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alvey Dellinger | 63 | Head | Farmer | Maryland |
| 42 | Susan Dellinger | 56 | Sister | Housekeeper | Maryland |
| 43 | Hattie Dellinger | 60 | Sister | Housekeeper | Maryland |
| 44 | William Dellinger | 50 | Head | Farmer | Maryland |
| 45 | Ruth Dellinger | 41 | Wife | Housekeeper | Maryland |
| 46 | Jane Dellinger | 16 | Daughter | School | Maryland |
| 47 | Joseph Dellinger | 2 | Son | — | Maryland |
| 48 | Norman Rowland | 50 | Head | Farmer | Maryland |
| 49 | Irene Rowland | 46 | Wife | Housekeeper | Maryland |
| 50 | Margaret Rowland | 21 | Daughter | — | Maryland |
| 51 | Marie Mentzer | 20 | Daughter | — | Maryland |
| 52 | Richard Mentzer | 24 | Son-in-law | Farmer | Maryland |
| 53 | Sam R. Howell | 37 | Head | Farmer | Maryland |
| 54 | Emma Howell | 35 | Wife | Housekeeper | Maryland |
| 55 | Mary Howell THIS PERSON | 17 | Daughter | — | Maryland |
| 56 | Calvin Howell | 15 | Son | Farmer | Maryland |
| 57 | Joseph Howell | 13 | Son | — | Maryland |
| 58 | Ruth Howell | 11 | Daughter | — | Maryland |
| 59 | Jessie Howell | 9 | Daughter | — | Maryland |
| 60 | Beverly Howell | 6 | Daughter | — | Maryland |
| 61 | Edgar S. Howell | 3 | Son | — | Maryland |
| 62 | Margaret Howell | 2 | Daughter | — | Maryland |
| 63 | Ralph Howell | 1 | Son | — | Maryland |
| 64 | Lee H. Howell | 63 | Head | Farmer | West Va |
| 65 | Neva Howell | 59 | Wife | Housekeeper | Maryland |
| 66 | Charles Howell | 28 | Son | Farmer | Maryland |
| 67 | Edgar Howell | 21 | Son | Farmer | Maryland |
| 68 | George Howell | 18 | Son | Farmer | Maryland |
| 69 | Benjamin Howell | 16 | Son | Farmer | Maryland |
| 70 | Sylvia Howell | 10 | Daughter | — | Maryland |
| 71 | Shirley Howell | 5 | Daughter | — | Maryland |
| 72 | Luther Delauney | 38 | Head | Drill Runner | Maryland |
| 73 | Mabel Delauney | 36 | Wife | — | Maryland |
| 74 | Constance Eberly | 5 | Niece | — | Maryland |
| 75 | Frank Grove | 59 | Head | Farmer | West Va |
| 76 | Susan E. Grove | 58 | Wife | Housekeeper | West Va |
| 77 | Joseph Grove | 21 | Son | Farmer | Maryland |
| 78 | Donald Grove | 17 | Son | Farmer | Maryland |
| 79 | Louise Grove | 15 | Daughter | School | Maryland |
| 80 | Charles Schonel | 33 | Head | Farmer | Maryland |
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)