CM
Carl Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Carl Martin across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Martin |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | S. H. |
| 1935 Residence (County) | S. H. |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | S. H. |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Maugansville |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Oliver Martin | Son | — | 12 | ~1928 |
| Aaron Martin | Head | — | 38 | ~1902 |
| Carl Martin | Son | — | 11 | ~1929 |
| Caleb Martin | Son | — | 3 | ~1937 |
| Ethel Martin | Spouse | — | 33 | ~1907 |
| Corinne Martin | Daughter | — | 9 | ~1931 |
| Ammon Martin | Son | — | 7 | ~1933 |
Census Appearances
1930
Washington, Maryland
Son, age
Washington, Maryland · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Son, age 11
Washington-County, Maryland · implied b. ~1929 — 7 household members
| Surname | Martin |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | S. H. |
| 1935 Residence (County) | S. H. |
| Highest Grade | No 5 |
| 1935 Residence | S. H. |
| 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 Carl Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Carl Martin
Son · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Ammon Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Corinne Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caleb Martin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Martin
Sibling · 1940 · age 12
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-t0627-01562-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nevin Martin | 3 | Son | — | Maryland |
| 2 | Lee Martin | 0 | Son | — | Maryland |
| 3 | Abram J. Baer | 26 | Head | Part Owner | Maryland |
| 4 | Lois Baer | 25 | Wife | — | Maryland |
| 5 | Anna Catherine Baer | 3 | Daughter | — | Maryland |
| 6 | Amos Shank | 74 | Head | Farm Manager | Maryland |
| 7 | Fannie E. Shank | 73 | Wife | — | Maryland |
| 8 | Irvin Martin | 21 | Head | Laborer | Maryland |
| 9 | Ruth A. Martin | 21 | Wife | — | Pennsylvania |
| 10 | George S. Eschleman | 56 | Head | Clerk | Maryland |
| 11 | Amanda Eschleman | 52 | Wife | — | Pennsylvania |
| 12 | Joseph Eschleman | 80 | Brother | — | Maryland |
| 13 | Martha Strite | 36 | Head | Seamstress | Pennsylvania |
| 14 | Jonas M. Horst | 65 | Head | Day Laborer | Pennsylvania |
| 15 | Mary Hage Horst | 55 | Wife | — | Maryland |
| 16 | Alvey Baer | 28 | Head | Part Owner Operator | Maryland |
| 17 | Elizabeth Baer | 27 | Wife | — | Pennsylvania |
| 18 | Gladys Baer | 6 | Daughter | — | Maryland |
| 19 | Harold Baer | 2 | Son | — | Maryland |
| 20 | Marie Baer | 1 | Daughter | — | Maryland |
| 21 | Charles Cushwa | 50 | Head | Clerk | Maryland |
| 22 | Margaret E. Cushwa | 43 | Wife | — | Maryland |
| 23 | Betty Mccauley | 18 | Step Daughter | — | Maryland |
| 24 | Maynard S. Stoner | 61 | Head | Engineer | Maryland |
| 25 | Katherine E. Stoner | 52 | Wife | — | West Virginia |
| 26 | Vivian Bailey | 29 | Daughter | Beautician | Maryland |
| 27 | Clyde E. Bailey | 35 | Son in law | Bus Driver | Maryland |
| 28 | Robert Bailey | 9 | Grandson | — | Maryland |
| 29 | Katherine Hartranft | 72 | Head | Clerk | Maryland |
| 30 | Sarah A. Hartranft | 66 | Mother | — | Pennsylvania |
| 31 | Samuel D. Hartranft | 64 | Father | — | Maryland |
| 32 | Henry P. Heger | 76 | Head | Retired Farmer | Pennsylvania |
| 33 | Annie E. Heger | 38 | Daughter | Housekeeper | Maryland |
| 34 | Aaron P. Martin | 38 | Head | Dairy Farming | Maryland |
| 35 | Ethel L. Martin | 33 | Wife | — | Pennsylvania |
| 36 | Oliver H. Martin | 12 | Son | — | Maryland |
| 37 | Carl H. Martin THIS PERSON | 11 | Son | — | Maryland |
| 38 | Corinne H. Martin | 9 | Daughter | — | Maryland |
| 39 | Ammon H. Martin | 7 | Son | — | Maryland |
| 40 | Caleb H. Martin | 3 | Son | — | 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)