DL
Dorothy Lee — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this Dorothy Lee across the 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 17-person household.
Age 21
b. ~1919
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Col |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8, Olney |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Domestic |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 400 |
| Highest Grade | No 9 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Domestic |
| Township / Ward | Election District 8 Olney |
| Est. Birth Year | ~1919 |
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.
17 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Marie Lee | Daughter | — | 9 | ~1931 |
| Bernard Hill | Other | — | 6 | ~1934 |
| Milbert Lee | Son | — | 13 | ~1927 |
| Dorothy Lee | Daughter | — | 21 | ~1919 |
| Frank Lee | Head | — | 51 | ~1889 |
| Alveia Lee | Daughter | — | 17 | ~1923 |
| Isabel Lee | Daughter | — | 26 | ~1914 |
| Elwood Lee | Son | — | 20 | ~1920 |
| Elsie Lee | Daughter | — | 11 | ~1929 |
| Melvin Matthews | Other | — | 38 | ~1902 |
| Ann Lee | Daughter | — | 7 | ~1933 |
| Sarah Lee | Daughter | — | 23 | ~1917 |
| Georgia Matthews | Other | — | 27 | ~1913 |
| Dee Lee | Daughter | — | 2 | ~1938 |
| Thomas Lee | Son | — | 24 | ~1916 |
| Beatrice Lee | Spouse | — | 42 | ~1898 |
| Donald Matthews | Other | — | 29 | ~1911 |
Census Appearances
1930
Montgomery, Maryland
Daughter, age 12
Montgomery, Maryland · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Daughter, age 21
Montgomery-County, Maryland · implied b. ~1919 — 17 household members
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Col |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8, Olney |
| 1935 Residence (County) | Montgomery |
| Occupation | Domestic |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 400 |
| Highest Grade | No 9 |
| 1935 Residence | Same house |
| 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 Dorothy Lee across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Lee
Daughter · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Dee Lee
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabel Lee
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lee
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Lee
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alveia Lee
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Lee
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elwood Lee
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Lee
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Lee
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milbert Lee
Sibling · 1940 · age 13
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 — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01554-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Lee | 51 | Head | Laborer | Maryland |
| 42 | Beatrice Lee | 42 | Wife | — | Maryland |
| 43 | Isabel Lee | 26 | Daughter | Domestic | Maryland |
| 44 | Thomas Lee | 24 | Son | Laborer | Maryland |
| 45 | Sarah Lee | 23 | Daughter | Domestic | Maryland |
| 46 | Dorothy Lee THIS PERSON | 21 | Daughter | Domestic | Maryland |
| 47 | Elwood Lee | 20 | Son | — | Maryland |
| 48 | Alveia Lee | 17 | Daughter | — | Maryland |
| 49 | Milbert Lee | 13 | Son | — | Maryland |
| 50 | Elsie Lee | 11 | Daughter | — | Maryland |
| 51 | Marie Lee | 9 | Daughter | — | Maryland |
| 52 | Ann Lee | 7 | Daughter | — | Maryland |
| 53 | Dee Lee | 2 | Daughter | — | Maryland |
| 54 | Donald Matthews | 29 | Lodger | Butler | Maryland |
| 55 | Georgia Matthews | 27 | Lodger | Maid | Maryland |
| 56 | Melvin Matthews | 38 | Lodger | Laborer | Maryland |
| 57 | Bernard Hill | 6 | Lodger | — | Maryland |
| 58 | Martha Hoeman | 65 | Head | — | Maryland |
| 59 | Alma Hoeman | 26 | Granddaughter | — | Maryland |
| 60 | Julia Hoeman | 15 | Granddaughter | — | Maryland |
| 61 | Charlie Hoeman | 26 | Grandson | Laborer | Maryland |
| 62 | James Hoeman | 21 | Grandson | Laborer | Maryland |
| 63 | Martina Lynn | 43 | Head | — | Maryland |
| 64 | Mary Lynn | 69 | Mother | — | Maryland |
| 65 | Henson Lynn | 40 | Brother | Laborer | Maryland |
| 66 | Nellie Lynn | 37 | Sister | Domestic | Maryland |
| 67 | Lewis Sunder | 27 | Head | Laborer | Maryland |
| 68 | Mariam Sunder | 23 | Wife | Domestic | Maryland |
| 69 | Ann Sunder | 4 | Daughter | — | Maryland |
| 70 | Melvin Hackett | 55 | Head | Laborer | Maryland |
| 71 | Stella Hackett | 54 | Wife | Domestic | Maryland |
| 72 | John Leishear | 68 | Head | Farmer | Maryland |
| 73 | Annie Leishear | 65 | Wife | — | Maryland |
| 74 | Eva Leishear | 30 | Daughter | — | Maryland |
| 75 | Harold Leishear | 28 | Son | Laborer | Maryland |
| 76 | Marie Leishear | 24 | Daughter | — | Maryland |
| 77 | Nellie O'Neill | 44 | Head | — | Maryland |
| 78 | John O'Neill | 19 | Son | — | Maryland |
| 79 | Stanley O'Neill | 15 | Son | — | Maryland |
| 80 | Mary Phyllis Beard | 21 | Servant | Maid | 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)