GM
George Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this George Martin across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1920), then head of a 11-person household.
Age 20
b. ~1920
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Manager |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 750 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Manager |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1920 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Rachael Martin | Daughter | — | 16 | ~1924 |
| Helen Martin | Daughter | — | 14 | ~1926 |
| Jean Martin | Daughter | — | 21 | ~1919 |
| George Martin | Daughter | — | 13 | ~1927 |
| George Martin | Head | — | 51 | ~1889 |
| Mary Martin | Other | — | 71 | ~1869 |
| Ralph Martin | Other | — | 47 | ~1893 |
| George Martin | Son | — | 20 | ~1920 |
| Ralph Martin | Son | — | 18 | ~1922 |
| James Martin | Son | — | 20 | ~1920 |
| Helen Martin | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martine |
| Given Name | George S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, Maryland
Son, age 10
None, Maryland · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | George H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 20
Baltimore-City-County, Maryland · implied b. ~1920 — 11 household members
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Manager |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 750 |
| Highest Grade | C 1 |
| 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 George Martin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and father George Martin (~0.92 confidence) and mother Helen Martin (~0.92 confidence) and mother Helen Martin (~0.92 confidence) and father August Martine (~0.92 confidence) and mother Adelaide Martine (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Father
George Martin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Helen Martin
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Helen Martin
b. ~1899
Source mother
● Household
· direct · ~0.92
Father
August Martine
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Adelaide Martine
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Martin
Son · 1940 · age 20 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
George Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachael Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Martin
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Martin
Sibling · 1940 · age 18
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-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01525-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Larme | 19 | Son | Counter Man | Maryland |
| 42 | Edmund Sengerwald | 57 | Head | Treasurer | Maryland |
| 43 | Bertha Sengerwald | 54 | Wife | — | Maryland |
| 44 | Gretchen Sengerwald | 24 | Daughter | Stenographer | Maryland |
| 45 | Ethel Sengerwald | 20 | Daughter | File Clerk | Maryland |
| 46 | Lester R Burton | 52 | Head | Bookkeeper | Canada |
| 47 | Louise V Burton | 48 | Wife | — | Maryland |
| 48 | George V Price | 61 | Head | Cashier | Maryland |
| 49 | Sally M Price | 55 | Wife | Seamstress | Maryland |
| 50 | Regina Monaghan | 77 | Lodger | — | Maryland |
| 51 | Charlotte James | 57 | Head | Decorations | Maryland |
| 52 | Albert Kimm | 51 | Head | Laborer | Maryland |
| 53 | Ida Kimm | 41 | Wife | — | Maryland |
| 54 | John S Hill | 64 | Lodger | Salesman | Maryland |
| 55 | Florence Kelly | 59 | Head | Teacher | Maryland |
| 56 | John Anderson | 69 | Head | Pastor | Pennsylvania |
| 57 | Blanche Anderson | 54 | Wife | — | Maryland |
| 58 | Truman Anderson | 30 | Son | Collector | Maryland |
| 59 | Albert H Turnbull | 62 | Head | Paper Handler | Maryland |
| 60 | Josephine Turnbull | 61 | Sister | Teacher | Maryland |
| 61 | Carrie Bay | 68 | Head | — | Maryland |
| 62 | Martha Fleagle | 90 | Mother | — | Maryland |
| 63 | Anna L Culber | 73 | Cousin | — | Maryland |
| 64 | Eleanor Purcell | 60 | Head | Secretary | Northern Ireland |
| 65 | Mary Purcell | 53 | Sister | Supervisor | Maryland |
| 66 | Belle C Purcell | 88 | Mother | — | Maryland |
| 67 | Olive Hopkins | 50 | Companion | Companion | Maryland |
| 68 | George Martin | 51 | Head | Auto Dealer | Maryland |
| 69 | Helen Martin | 49 | Wife | — | Maryland |
| 70 | Jean Martin | 21 | Daughter | Secretary | Maryland |
| 71 | George Martin THIS PERSON | 20 | Son | Manager | Maryland |
| 72 | James Martin | 20 | Son | Ass. Foreman | Maryland |
| 73 | Ralph Martin | 18 | Son | — | Maryland |
| 74 | Rachael Martin | 16 | Daughter | — | Maryland |
| 75 | Helen Martin | 14 | Daughter | — | Maryland |
| 76 | George J Martin | 13 | Daughter | — | Maryland |
| 77 | Mary Martin | 71 | Mother | — | Pennsylvania |
| 78 | Ralph Martin | 47 | Brother | Automobile | Maryland |
| 79 | James Holland | 71 | Head | Manufacturer | Maine |
| 80 | Alice L Holland | 68 | Wife | — | Maryland |
Pedigree Summary
George + 6 siblings
Gen 1 · 6 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)