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James Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cecil-County, Maryland
Our Model Tree links this James Blake across the 1920, 1930 and 1940 US Censuses in Cecil-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cecil-County, Maryland |
| Surname | Blake |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #5 |
| 1935 Residence (County) | Cecil |
| Additional Details | |
| Occupation | Buyer |
| Industry | Lumber Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2184 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Buyer |
| Township / Ward | Election District 5 |
| Est. Birth Year | ~1898 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Hilda Blake | Daughter | — | 13 | ~1927 |
| Mary Blake | Daughter | — | 17 | ~1923 |
| Thomas Blake | Son | — | 21 | ~1919 |
| Helen Blake | Daughter | — | 14 | ~1926 |
| Helen Blake | Spouse | — | 43 | ~1897 |
| William Blake | Other | — | 77 | ~1863 |
| James Blake | Head | — | 42 | ~1898 |
Census Appearances
1920
Baltimore, Maryland
Other, age 24
Baltimore, Maryland · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | James M. |
| Relationship to Head | Brother in law |
| Sex | M |
| Color / Race | Mulatto |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Stevedore |
| Industry | Ships |
| Class of Worker | w |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 32
Baltimore, Maryland · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | James |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Chauffeur |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Cecil-County, Maryland
Head, age 42
Cecil-County, Maryland · implied b. ~1898 — 7 household members
| Surname | Blake |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #5 |
| 1935 Residence (County) | Cecil |
| Occupation | Buyer |
| Industry | Lumber Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2184 |
| Highest Grade | H 4 |
| 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 James Blake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Blake
Head · 1940 · age 42 · b. ~1898 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cecil-County, Maryland
Open full size
1940 US Federal Census — Cecil-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01545-00412)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William H. Blake | 74 | Head | — | Maryland |
| 42 | John R. Johnson | 36 | Head | Machinist | Maryland |
| 43 | Elizabeth B. Johnson | 30 | Wife | — | Maryland |
| 44 | Robert B. Johnson | 6 | Son | — | Maryland |
| 45 | Walter T. Mckenzie | 37 | Head | — | Maryland |
| 46 | Madeleine E. Mckenzie | 33 | Wife | — | Delaware |
| 47 | James E. Blake THIS PERSON | 42 | Head | Buyer | Maryland |
| 48 | Helen M. Blake | 43 | Wife | — | Maryland |
| 49 | Thomas S. Blake | 21 | Son | Labor | Maryland |
| 50 | Mary S. Blake | 17 | Daughter | Labor | Maryland |
| 51 | Helen V. Blake | 14 | Daughter | — | Maryland |
| 52 | Hilda A. Blake | 13 | Daughter | — | Maryland |
| 53 | William King R. Blake | 77 | Brother | — | Maryland |
| 54 | Samuel E. Smith | 74 | Head | — | Maryland |
| 55 | Mary E. Smith | 48 | Wife | Labor | Maryland |
| 56 | Mary J. Smith | 9 | Daughter | — | Maryland |
| 57 | William T. Warburton | 51 | Head | Mail Carrier | Maryland |
| 58 | Emma J. Warburton | 42 | Wife | — | Maryland |
| 59 | Frank F. Simpers | 76 | Head | — | Maryland |
| 60 | Annie S. Dean | 67 | Head | — | Maryland |
| 61 | Belle Hodge | 80 | Sister | — | Maryland |
| 62 | Everett F. Spurrier | 30 | Head | — | Pennsylvania |
| 63 | Ethel S. Spurrier | 23 | Wife | — | Pennsylvania |
| 64 | Naomi M. Spurrier | 5 | Daughter | — | Pennsylvania |
| 65 | Audrey H. Spurrier | 4 | Daughter | — | Pennsylvania |
| 66 | Walter P. Lewis | 40 | Head | Labor | Maryland |
| 67 | Lillian Lewis | 37 | Wife | — | Maryland |
| 68 | Dorothy I. Lewis | 16 | Daughter | — | Maryland |
| 69 | George H. Lewis | 11 | Son | — | Maryland |
| 70 | Henry R. Dean | 38 | Head | Labor | Maryland |
| 71 | Freda A. Dean | 29 | Wife | Hair-Worker | Maryland |
| 72 | John H. Dean | 12 | Son | — | Maryland |
| 73 | Dorothy S. Dean | 11 | Daughter | — | Maryland |
| 74 | Betty Ann Dean | 8 | Daughter | — | Maryland |
| 75 | Warner C. Moore | 42 | Head | Caretaker | Maryland |
| 76 | Lillian V. Moore | 52 | Wife | — | Delaware |
| 77 | Sarah E. Riley | 74 | Head | — | Maryland |
| 78 | Gifford D. Riley | 40 | Son | Car Inspector | Maryland |
| 79 | William E. Beal | 22 | Head | Labor | Maine |
| 80 | Dorothy L. Beal | 20 | Wife | — | 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)