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Lillian Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Lillian Nelson across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Female
Spouse
Born: West Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Nelson |
| Given Name | Lillian B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Hours Worked | 5 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Emil Nelson | Head | — | 49 | ~1891 |
| Lillian Nelson | Spouse | — | 47 | ~1893 |
| Donald Mcintosh | Other | — | 49 | ~1891 |
| W Nelson | Son | — | 21 | ~1919 |
Census Appearances
1920
Frederick, Maryland
Spouse, age 26
Frederick, Maryland · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Frederick, Maryland
Other, age 37
Frederick, Maryland · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian B. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 19 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Frederick-County, Maryland
Spouse, age 47
Frederick-County, Maryland · implied b. ~1893 — 4 household members
| Surname | Nelson |
| Given Name | Lillian B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Hours Worked | 5 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west 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 Lillian Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lillian Nelson
Spouse · 1940 · age 47 · b. ~1893 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01548-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edythe L. Kohlenburg | 65 | Head | House-Keeper | Maryland |
| 42 | Effie E. Martin | 55 | Lodger | Seamstress | Maryland |
| 43 | Robert H. Hartman | 38 | Head | Machinist | Maryland |
| 44 | Margaret M. Hartman | 30 | Wife | — | Maryland |
| 45 | Mary L. Hartman | 3 | Daughter | — | Maryland |
| 46 | Margaret A. Hartman | 2 | Daughter | — | Maryland |
| 47 | Frank R. Smith | 53 | Head | Assistant Foreman | Maryland |
| 48 | Alice M. Smith | 50 | Wife | — | Maryland |
| 49 | Margaret E. Earswith | 48 | Sister-in-law | — | Maryland |
| 50 | Emil K. B. Nelson | 49 | Head | Electrician | Denmark |
| 51 | Lillian B. Nelson THIS PERSON | 47 | Wife | — | West Virginia |
| 52 | W. Lawson Nelson | 21 | Son | Clerk | Maryland |
| 53 | Donald A. Mcintosh | 49 | Lodger | Automotive Mechanic | New York |
| 54 | Franklin B. Reese | 39 | Head | Production Manager | Maryland |
| 55 | Edna M. Reese | 40 | Wife | — | Maryland |
| 56 | Marie H. Reese | 9 | Daughter | — | Maryland |
| 57 | Wilma F. Reese | 5 | Daughter | — | Maryland |
| 58 | E. Paul Magaha | 32 | Head | Inspecting Proprietor | Maryland |
| 59 | Alice W. Magaha | 34 | Wife | — | Maryland |
| 60 | E. Paul Jr. Magaha | 11 | Son | — | Maryland |
| 61 | Douglas W. Magaha | 8 | Son | — | Maryland |
| 62 | Charles H. Miller | 50 | Head | Painter | Maryland |
| 63 | Margaret B. Miller | 54 | Wife | — | Maryland |
| 64 | Nettie M. Stone | 45 | Head | House-Keeper | Maryland |
| 65 | Jesse N. Smith | 56 | Lodger | Drayman | Maryland |
| 66 | Meredith S. Hanes | 34 | Head | Brick-Layer | Maryland |
| 67 | Jane B. Hanes | 40 | Wife | — | Maryland |
| 68 | Roy F. Wimpigler | 27 | Head | Pattern & Wood Maker | Maryland |
| 69 | Louise H. Wimpigler | 27 | Wife | — | Virginia |
| 70 | Roy F. Wimpigler | 6 | Son | — | Maryland |
| 71 | Mary Jean Wimpigler | 4 | Daughter | — | Maryland |
| 72 | Harold S. Wachter | 34 | Head | Laborer | Maryland |
| 73 | Blanche N. Wachter | 33 | Wife | — | Maryland |
| 74 | Edna Mae Wachter | 14 | Daughter | Student | Maryland |
| 75 | Helen M. Krah | 32 | Head | House-Keeper | Maryland |
| 76 | Bernard V. Krah | 15 | Son | Student | Maryland |
| 77 | Eileen Krah | 13 | Daughter | — | Maryland |
| 78 | Richard T. Krah | 11 | Son | — | Maryland |
| 79 | Theodore C. Krah | 8 | Son | — | Maryland |
| 80 | Lewis A. Baumgardner | 45 | Lodger | Brick-Layer | 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)