DM
Donald Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Donald Martin across the 1920, 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed), with identified parents Frank & Ethel — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Martin |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Cattle Buyer |
| Industry | Cattle Dealer |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cattle Buyer |
| Township / Ward | Hagerstown |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Martin | Son | — | 24 | ~1916 |
| Eva Martin | Head | — | 53 | ~1887 |
Census Appearances
1920
Washington, Maryland
Son, age 4
Washington, Maryland · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Washington, Maryland
Son, age 14
Washington, Maryland · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Donald F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Son, age 24
Washington-County, Maryland · implied b. ~1916 — 2 household members
| Surname | Martin |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Hagerstown |
| 1935 Residence (County) | Washington |
| Occupation | Cattle Buyer |
| Industry | Cattle Dealer |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | Hs 3 |
| 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 Donald Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Martin (~0.92 confidence) and mother Ethel Martin (~0.92 confidence) and mother Eva Martin (~0.92 confidence) and mother Eva Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Martin
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ethel Martin
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Eva Martin
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Eva Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Martin
Son · 1940 · age 24 · b. ~1916 · Maryland
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-01561-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Weiland | 10 | Son | — | Maryland |
| 2 | John F. Weiland | 57 | Head | Bookkeeper | Pennsylvania |
| 3 | Ella M. Weiland | 58 | Wife | — | Pennsylvania |
| 5 | Charles F. Ely | 48 | Head | Baker | Pennsylvania |
| 6 | Katherine S. Ely | 48 | Wife | — | Maryland |
| 7 | Everett G. Ely | 17 | Son | Helper | Virginia |
| 8 | Frank B. Taylor | 56 | Head | Farmer | Maryland |
| 9 | Viola D. Taylor | 58 | Wife | — | Maryland |
| 10 | Gladys V. Taylor | 27 | Daughter | School Teacher | Maryland |
| 11 | Ernest H. Taylor | 22 | Son | Store Manager | Maryland |
| 12 | Richard H. Trigh | 31 | Head | Stitcher | Maryland |
| 13 | Althea M. Trigh | 33 | Wife | — | Maryland |
| 14 | Harriett B. Trigh | 4 | Daughter | — | Maryland |
| 15 | Rose M. Trigh | 2 | Daughter | — | Maryland |
| 16 | Elizabeth R. Bowers | 43 | Maid | Housekeeper | Maryland |
| 17 | John E. Byers | 31 | Head | Mechanic | Maryland |
| 18 | Nellie F. Byers | 25 | Wife | — | Maryland |
| 19 | Byrle P. Byers | 5 | Daughter | — | Maryland |
| 20 | James Byers | 4 | Son | — | Maryland |
| 21 | Fern M. Byers | 3 | Daughter | — | Maryland |
| 22 | Charles C. Renner | 47 | Father-in-law | Mechanic | Maryland |
| 23 | Eva E. Martin | 53 | Head | — | Maryland |
| 24 | Donald F. Martin THIS PERSON | 24 | Son | Cattle Buyer | Maryland |
| 25 | Clarence E. Haiston | 45 | Head | Office Clerk | Maryland |
| 26 | Edythe M. Haiston | 42 | Wife | — | Maryland |
| 27 | Robert E. Detrick | 18 | Ad. Son | — | Maryland |
| 28 | Mary K. Detrick | 14 | Ad. Daughter | — | Maryland |
| 29 | J. Robert Potts | 27 | Head | Proprietor | Maryland |
| 30 | Ester M. Potts | 25 | Wife | — | Maryland |
| 31 | J. Robert Jr. Potts | 4 | Son | — | Maryland |
| 32 | William A. Potts | 2 | Son | — | Maryland |
| 33 | Hugh B. Haze | 40 | Head | Salesman | Pennsylvania |
| 34 | Edna E. Haze | 38 | Wife | — | Pennsylvania |
| 35 | Walter R. Triller | 62 | Head | Engineer | Virginia |
| 36 | Louisa C. Triller | 62 | Wife | — | Virginia |
| 37 | Cleva C. Triller | 36 | Daughter | — | Maryland |
| 38 | Heda M. Triller | 30 | Daughter | — | Maryland |
| 39 | Thelma L. Gibney | 37 | Daughter | — | Maryland |
| 40 | Lloyd L. Gibney | 21 | Son | Truck Driver | Maryland |
Pedigree Summary
Donald
Gen 1 · 4 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)