LM
Lucy Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Lucy Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed), with identified parents Samuel — first a daughter (b.~1892), then head of a 6-person household.
Age 48
b. ~1892
Female
Daughter
Born: Maryland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Martin |
| Given Name | Lucy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Williamsport |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Williamsport |
| Est. Birth Year | ~1892 |
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 Lucy | Age | Birth yr |
|---|---|---|---|---|
| Betty Martin | Daughter | — | 14 | ~1926 |
| Lydia Martin | Daughter | — | 18 | ~1922 |
| Fred Martin | Son | — | 8 | ~1932 |
| Lucy Martin | Daughter | — | 48 | ~1892 |
| Nancy Martin | Daughter | — | 7 | ~1933 |
| Samuel Hoffenberger | Head | — | 70 | ~1870 |
Census Appearances
1920
Washington, Maryland
Spouse, age 27
Washington, Maryland · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lucy A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Washington, Maryland
Other, age 37
Washington, Maryland · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lucy I. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Daughter, age 48
Washington-County, Maryland · implied b. ~1892 — 6 household members
| Surname | Martin |
| Given Name | Lucy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Williamsport |
| 1935 Residence (County) | Washington |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| 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 Lucy Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Hoffenberger (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Hoffenberger
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lucy Martin
Daughter · 1940 · age 48 · b. ~1892 · Maryland
★ You are viewing this record
Sibling
Betty Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Martin
Sibling · 1940 · age 7
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-t0627-01561-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sarah Damer | 61 | Mother-in-law | — | Maryland |
| 42 | Theodore G Bear | 52 | Head | Fireman | Maryland |
| 43 | Kadin S Bear | 29 | Son | Laborer | Maryland |
| 44 | Hazel J Bear | 27 | Daughter-in-law | — | Maryland |
| 45 | Kenneth G Bear | 9 | Grandson | — | Maryland |
| 46 | Betty J Bear | 7 | Granddaughter | — | Maryland |
| 47 | Samuel W Shank | 32 | Head | Laborer | Maryland |
| 48 | Hazel E Shank | 34 | Wife | — | Maryland |
| 49 | Theodore S Shank | 12 | Son | — | Maryland |
| 50 | Alvin O Shank | 11 | Son | — | Maryland |
| 51 | Donald L Shank | 7 | Son | — | Maryland |
| 52 | Ronald G Shank | 6 | Son | — | Maryland |
| 53 | William H Shank | 55 | Father | Laborer | Maryland |
| 54 | Samuel P Hoffenberger | 70 | Head | — | Maryland |
| 55 | Lucy A Martin THIS PERSON | 48 | Daughter | — | Maryland |
| 56 | Lydia M Martin | 18 | Daughter | Laborer | Maryland |
| 57 | Betty Martin | 14 | Daughter | — | Maryland |
| 58 | Fred A Martin | 8 | Son | — | Maryland |
| 59 | Nancy Martin | 7 | Daughter | — | Maryland |
| 60 | Earl G Hone | 43 | Head | — | Maryland |
| 61 | Hazel G Hone | 34 | Wife | — | Maryland |
| 62 | Sylvester F Hone | 20 | Son | Laborer | Maryland |
| 63 | Stella J Hone | 19 | Daughter | Laborer | Maryland |
| 64 | Paul D Hone | 16 | Son | Laborer | Maryland |
| 65 | Harrietta M Hone | 15 | Daughter | — | Maryland |
| 66 | Alvy F Hone | 12 | Son | — | Maryland |
| 67 | Clyde F Hone | 11 | Son | — | Maryland |
| 68 | Henry H Hone | 6 | Son | — | Maryland |
| 69 | Edward S Malott | 54 | Head | Trucker | Maryland |
| 70 | Letha V Malott | 52 | Wife | — | Maryland |
| 71 | William R Malott | 27 | Son | — | Maryland |
| 72 | Carl H Malott | 25 | Son | Laborer | Maryland |
| 73 | Frances M Malott | 22 | Daughter | — | Maryland |
| 74 | Norman W Malott | 18 | Son | Driver | Maryland |
| 75 | Betty M Malott | 15 | Daughter | — | Maryland |
| 76 | Harry Malott | 13 | Son | — | Maryland |
| 77 | Shirley J Malott | 12 | Daughter | — | Maryland |
| 78 | Woodrow W Malott | 8 | Son | — | Maryland |
| 79 | Nancy Malott | 7 | Daughter | — | Maryland |
| 80 | Ralph J Hoffenberger | 31 | Head | Laborer | Maryland |
Pedigree Summary
Lucy + 4 siblings
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)