CM
Charles Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Charles Martin across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Charles — first a son (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Martin |
| Given Name | Charles W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Relay Halethorpe Arbutus |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Clerical Supervisor |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1944 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerical Supervisor |
| Township / Ward | Relay Halethorpe Arbutus |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Martin | Head | — | 52 | ~1888 |
| Charles Martin | Son | — | 34 | ~1906 |
| Edwin Martin | Son | — | 32 | ~1908 |
Census Appearances
1920
Baltimore, Maryland
Son, age 14
Baltimore, Maryland · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 24
Baltimore, Maryland · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Charles W. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 34
Baltimore-County, Maryland · implied b. ~1906 — 3 household members
| Surname | Martin |
| Given Name | Charles W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Relay Halethorpe Arbutus |
| 1935 Residence (County) | Baltimore |
| Occupation | Clerical Supervisor |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1944 |
| Highest Grade | Hs 4 |
| 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 Charles Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Martin (~0.92 confidence) and father Charles Martin (~0.92 confidence) and mother Gertrude Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Martin
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Gertrude Martin
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Martin
Son · 1940 · age 34 · b. ~1906 · Maryland
★ You are viewing this record
Sibling
Edwin Martin
Sibling · 1940 · age 32
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01506-00663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eleanor V. Canald | 45 | Wife | Housewife | Maryland |
| 42 | Bruce W. Canald | 20 | Son | — | Maryland |
| 43 | Richard W. Canald | 14 | Son | — | Maryland |
| 44 | Woodrow H. Canald | 6 | Son | — | Maryland |
| 45 | R. Ivan Allison | 38 | Head | Rate Clerk | Virginia |
| 46 | M. Louise Allison | 38 | Wife | Housewife | Virginia |
| 47 | Betty L. Allison | 5 | Daughter | — | Maryland |
| 48 | R. Ivan Jr. Allison | 2 | Son | — | Maryland |
| 49 | Ada A. Allison | 70 | Mother | — | Virginia |
| 50 | George W. Smith | 67 | Head | Auditor | Maryland |
| 51 | Marie C. Smith | 55 | Wife | Housewife | Maryland |
| 52 | Marie E. Smith | 27 | Daughter | Instructor | Maryland |
| 53 | F. James Garret | 33 | Head | Principal | Maryland |
| 54 | Adeline M. Garret | 28 | Wife | Housewife | Maryland |
| 55 | James Jr. Garret | 2 | Son | — | Maryland |
| 56 | Robert W. Baughman | 64 | Head | Painter | Maryland |
| 57 | Rena L. Baughman | 68 | Wife | Housewife | Maryland |
| 58 | John Gilbert | 38 | Head | Business Agent | Maryland |
| 59 | Annie M. Gilbert | 35 | Wife | Housewife | Maryland |
| 60 | William Gilbert | 11 | Son | — | Maryland |
| 61 | Sallie Gilbert | 4 | Daughter | — | Maryland |
| 62 | Gertrude O. Martin | 52 | Head | Housewife | Maryland |
| 63 | Charles W. Martin THIS PERSON | 34 | Son | Clerical Supervisor | Maryland |
| 64 | Edwin G. Martin | 32 | Son | Lawyer | Maryland |
| 65 | Francis Kerrigan | 43 | Head | Decorator | Maryland |
| 66 | Rose M. Kerrigan | 36 | Wife | Assistant To President | Maryland |
| 67 | Joseph Foley | 66 | Father in law | — | Maryland |
| 68 | Paul M. Neidle | 34 | Head | Minister | New Jersey |
| 69 | Edna M. Neidle | 33 | Wife | Housewife | Ohio |
| 70 | Eugene Pfeiffer | 43 | Head | Assembly | Maryland |
| 71 | Ester M. Pfeiffer | 46 | Wife | Housewife | Maryland |
| 72 | Joseph Pessagno | 77 | Head | Own Business | Maryland |
| 73 | Jean Pessagno | 22 | Daughter | Clerk | Washington D.C. |
| 74 | Catherine B. Pessagno | 48 | Daughter | Clerk | Maryland |
| 75 | Florence Everly | 55 | Daughter | Olive Trading | Maryland |
| 76 | Bernie Henry | 34 | Head | Station Assistant | Ohio |
| 77 | Ruth Henry | 22 | Wife | Cashier | Maryland |
| 78 | Betty Henry | 2 | Daughter | — | Maryland |
| 79 | Lawrence Miller | 54 | Head | Physician | Maryland |
| 80 | Katherine Miller | 46 | Wife | Housewife | Maryland |
Pedigree Summary
Charles + 1 sibling
Gen 1 · 3 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)