GB
George Black — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carroll-County, Maryland
Our Model Tree links this George Black across the 1920, 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed), with identified parents George & Harry — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carroll-County, Maryland |
| Surname | Black |
| Given Name | George H Jr |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Manchester |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Manchester |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| George Black | Head | — | 27 | ~1913 |
| George Black | Son | — | 5 | ~1935 |
| David Black | Son | — | 3 | ~1937 |
| Gladys Black | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Carroll, Maryland
Son, age 7
Carroll, Maryland · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| 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
Carroll, Maryland
Son, age 17
Carroll, Maryland · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | George H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Carroll-County, Maryland
Head, age 27
Carroll-County, Maryland · implied b. ~1913 — 4 household members
| Surname | Black |
| Given Name | George H Jr |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Manchester |
| 1935 Residence (County) | Carroll |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 George Black across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Black (~0.92 confidence) and father Harry Black (~0.92 confidence) and mother Laura Black (~0.92 confidence) and mother Viola Black (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Black
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Harry Black
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Laura Black
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Viola Black
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Black
Head · 1940 · age 27 · b. ~1913 · 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 — Carroll-County, Maryland
Open full size
1940 US Federal Census — Carroll-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01544-00515)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amanda Bordner | 87 | — | — | Pennsylvania |
| 42 | Jacob B Leonard | 80 | head | Farmer | Maryland |
| 43 | Nellie M Leonard | 43 | daughter | — | Maryland |
| 44 | Gertrude Louder | 75 | sister | — | Maryland |
| 45 | John C F Keck | 54 | head | Farmer | Maryland |
| 46 | Emma Keck | 55 | wife | — | Maryland |
| 47 | Margaret E Keck | 24 | daughter | Beautician | Maryland |
| 48 | Henrietta G Keck | 16 | daughter | — | Maryland |
| 49 | Bennett H Gross | 59 | head | Plaster | Maryland |
| 50 | Margaret V Gross | 62 | wife | — | Maryland |
| 51 | Mary Gladys Scheffer | 31 | boarder | Taylor | Maryland |
| 52 | Sarah E Jones | 82 | mother-in-law | — | Maryland |
| 53 | Milton E H Gross | 57 | head | Plaster | Maryland |
| 54 | Margaret L Gross | 62 | sister | — | Maryland |
| 55 | Edna S Jones | 60 | head | — | Maryland |
| 56 | Morris C Jones | 57 | brother | Clerk | Maryland |
| 57 | James W Parrish | 15 | lodger | — | Nebraska |
| 58 | Milton A Sprughing|Sprighing | 59 | head | Farmer | Maryland |
| 59 | Lilly M Sprughing|Sprighing | 59 | wife | — | Maryland |
| 60 | E Edgar Sprughing|Sprighing | 25 | son | Farm Laborer | Maryland |
| 61 | John C Markle | 26 | son-in-law | Leather Worker | Pennsylvania |
| 62 | Ethel G Markle | 28 | daughter | — | Maryland |
| 63 | Peggy G Markle | 1 | granddaughter | — | Maryland |
| 64 | Carroll H Walker | 29 | head | Plumber | Pennsylvania |
| 65 | Carrie A Walker | 21 | wife | — | Maryland |
| 66 | Richard O Walker | 1 | son | — | Maryland |
| 67 | Charles L Warren | 67 | head | Foreman On Construction | New York |
| 68 | Marian E Warren | 44 | wife | — | Maryland |
| 69 | George H Jr Black THIS PERSON | 27 | head | Farmer | Maryland |
| 70 | Gladys M Black | 23 | wife | — | Pennsylvania |
| 71 | George H Iii Black | 5 | son | — | Maryland |
| 72 | David C Black | 3 | son | — | Maryland |
| 73 | Charles V Fredrick | 62 | head | Farmer | Maryland |
| 74 | Ora B Fredrick | 58 | wife | — | Maryland |
| 75 | Isabell Fredrick | 17 | daughter | — | Maryland |
| 76 | John C Fredrick | 11 | son | — | Pennsylvania |
| 77 | Thomas J Brown | 75 | hired | Farm Laborer | Maryland |
| 78 | Ervin W Zouble | 40 | head | Farmer | Maryland |
| 79 | Vale S Zouble | 34 | wife | — | Maryland |
| 80 | Betty C Zouble | 12 | daughter | — | Maryland |
Pedigree Summary
George
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)