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Robert Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kent-County, Maryland
Our Model Tree links this Robert Jacobs across the 1930 and 1940 US Censuses in Kent-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Maryland |
| Surname | Jacobs |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Chestertown |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Chestertown |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Freddie Jacobs | Son | — | 5 | ~1935 |
| Stanley Jacobs | Son | — | 1 | ~1939 |
| Louise Jacobs | Daughter | — | 15 | ~1925 |
| Robert Jacobs | Son | — | 11 | ~1929 |
| Russell Jacobs | Son | — | 3 | ~1937 |
| Spencer Jacobs | Head | — | 45 | ~1895 |
| Nancy Jacobs | Daughter | — | 9 | ~1931 |
| Miriam Jacobs | Daughter | — | 8 | ~1932 |
| Elizabeth Jacobs | Daughter | — | 7 | ~1933 |
| Carmita Jacobs | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Kent, Maryland
Son, age 1
Kent, Maryland · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Kent-County, Maryland
Son, age 11
Kent-County, Maryland · implied b. ~1929 — 10 household members
| Surname | Jacobs |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Chestertown |
| 1935 Residence (County) | Kent |
| Highest Grade | No 3 |
| 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 Robert Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Jacobs
Son · 1940 · age 11 · b. ~1929 · Maryland
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Sibling
Elizabeth Jacobs
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Jacobs
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Jacobs
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Jacobs
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Jacobs
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Jacobs
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miriam Jacobs
Sibling · 1940 · age 8
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 — Kent-County, Maryland
Open full size
1940 US Federal Census — Kent-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01552-00675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Cannes | 45 | Head | Laborer | Maryland |
| 2 | Clara Cannes | 34 | Wife | — | Maryland |
| 3 | Elizabeth Cannes | 17 | Daughter | — | Maryland |
| 4 | Marion Cannes | 16 | Daughter | Housework | Maryland |
| 5 | George Jr Cannes | 13 | Son | — | Maryland |
| 6 | Joseph Cannes | 9 | Son | — | Maryland |
| 7 | Blondine Cannes | 6 | Daughter | — | Maryland |
| 8 | Shirley Cannes | 4 | Daughter | — | Maryland |
| 9 | Frances Cannes | 2 | Daughter | — | Maryland |
| 10 | William Cannes | 1 | Grandson | — | Maryland |
| 11 | Spencer Jacobs | 45 | Head | Laborer | Maryland |
| 12 | Carmita Jacobs | 36 | Wife | Laundry | Maryland |
| 13 | Louise Jacobs | 15 | Daughter | — | Maryland |
| 14 | Robert Jacobs THIS PERSON | 11 | Son | — | Maryland |
| 15 | Nancy J Jacobs | 9 | Daughter | — | Maryland |
| 16 | Miriam Jacobs | 8 | Daughter | — | Maryland |
| 17 | Elizabeth Jacobs | 7 | Daughter | — | Maryland |
| 18 | Freddie Jacobs | 5 | Son | — | Maryland |
| 19 | Russell Jacobs | 3 | Son | — | Maryland |
| 20 | Stanley Jacobs | 1 | Son | — | Maryland |
| 21 | Walter Denton | 40 | Head | Laborer | Maryland |
| 22 | David Lewis | 35 | Head | Laborer | Maryland |
| 23 | Otto Nagel | 56 | Head | Plasterer | Maryland |
| 24 | Jesse W Nagel | 14 | Son | — | Maryland |
| 25 | Catherine Johnson | 21 | Daughter | — | Maryland |
| 26 | Emily A Johnson | 2 | Granddaughter | — | Maryland |
| 27 | End Block | None | — | — | — |
| 28 | Hackett Emerson | 53 | Head | Salesman | Maryland |
| 29 | Ruth Emerson | 35 | Wife | Bookkeeper | Maryland |
| 30 | Mary J Emerson | 12 | Daughter | — | Maryland |
| 31 | Samuel F Emerson | 8 | Son | — | Maryland |
| 32 | Lawrence Dixon | 47 | Head | — | Maryland |
| 33 | Elisabeth Bell | 78 | Head | — | England |
| 34 | Doris Bell | 43 | Daughter | Physical Instructress Girls | Virginia |
| 35 | Frank O Hutton | 29 | Head | Manager | Maryland |
| 36 | Rose V Hutton | 23 | Wife | — | Maryland |
| 37 | Ann V Hutton | 2 | Daughter | — | Maryland |
| 38 | Charles W Whaland | 77 | Head | School Board (Member) | Maryland |
| 39 | Mary W Nicholson | 54 | Daughter | — | Maryland |
| 40 | Joseph Brice | 64 | Brother | Road Inspector | 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)