MF
Mary Fisher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kent-County, Delaware
Our Model Tree links this Mary Fisher across the 1920, 1930 and 1940 US Censuses in Kent-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Delaware |
| Surname | Fisher |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | West Representative Dis |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | West Representative Dis |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Irvyn Fisher | Daughter | — | 4 | ~1936 |
| John Fisher | Head | — | 47 | ~1893 |
| Margaret Fisher | Other | — | 23 | ~1917 |
| Wilbur Fisher | Son | — | 26 | ~1914 |
| Ervin Fisher | Son | — | 24 | ~1916 |
| Mary Fisher | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Kent, Delaware
Spouse, age 25
Kent, Delaware · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fisher |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Kent, Delaware
Spouse, age 36
Kent, Delaware · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fisher |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 17 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Kent-County, Delaware
Spouse, age 46
Kent-County, Delaware · implied b. ~1894 — 6 household members
| Surname | Fisher |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | West Representative Dis |
| 1935 Residence (County) | Kent |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Mary Fisher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Fisher
Spouse · 1940 · age 46 · b. ~1894 · Delaware
★ 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 — Kent-County, Delaware
Open full size
1940 US Federal Census — Kent-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00544-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey Helen Harvey | 14 | Daughter | — | Delaware |
| 42 | Herbert Harvey | 9 | Son | — | Delaware |
| 43 | Robert H. Wilson | 56 | Head | Farmer | Delaware |
| 44 | Sarah F. Wilson | 55 | Wife | — | Delaware |
| 45 | William Seals | 40 | Servant | Labourer | Maryland |
| 46 | John W. Fisher | 47 | Head | Laborer | Delaware |
| 47 | Mary Fisher THIS PERSON | 46 | Wife | — | Delaware |
| 48 | Wilbur Fisher | 26 | Son | Laborer | Delaware |
| 49 | Ervin Fisher | 24 | Son | Laborer | Delaware |
| 50 | Margaret Fisher | 23 | Daughter-in-law | — | Delaware |
| 51 | Irvyn Fisher | 4 | Daughter | — | Delaware |
| 52 | Louis Reese | 34 | Head | Laborer | Delaware |
| 53 | Dorothy Reese | 24 | Wife | — | Delaware |
| 54 | John H. Reese | 5 | Son | — | Delaware |
| 55 | William L. Reese | 3 | Son | — | Delaware |
| 56 | Samuel Voshell | 72 | Head | Laborer | Delaware |
| 57 | Edwin M. Kemp | 65 | Head | Farmer | Delaware |
| 58 | Alice B. Kemp | 60 | Wife | — | Delaware |
| 59 | Daughter Martha W. | None | F | Private Office | — |
| 60 | Robert P. Carrow | 64 | Brother-in-law | Meat Cutter | Delaware |
| 61 | Walter Cubbage | 41 | Head | Laborer | Delaware |
| 62 | Colie Corey | 26 | Housekeeper | Maid | Delaware |
| 63 | William Corey | 6 | Son | — | Delaware |
| 64 | William Connor | 62 | Head | Farmer | Delaware |
| 65 | Ella Connor | 54 | Wife | — | Delaware |
| 66 | Allen Scarborough | 40 | Head | Accounting | Delaware |
| 67 | Nellie Scarborough | 34 | Wife | — | Maryland |
| 68 | Jean Scarborough | 8 | Daughter | — | Delaware |
| 69 | Mary J. Hetherington | 51 | Mother-in-law | Dressmaker | Maryland |
| 70 | John Derrickson | 33 | Head | Salesman | N. Carolina |
| 71 | Alma Derrickson | 30 | Wife | — | Florida |
| 72 | John B. Derrickson | 7 | Son | — | Delaware |
| 73 | Earle W. Thompson | 32 | Head | Laborer | Delaware |
| 74 | Catherine Thompson | 30 | Wife | Laborer | Maryland |
| 75 | Warren Thompson | 10 | Son | — | Delaware |
| 76 | Irene Thompson | 9 | Daughter | — | Delaware |
| 77 | Eugene Thompson | 6 | Son | — | Delaware |
| 78 | Richard Thompson | 5 | Son | — | Delaware |
| 79 | Ada Core | 16 | Housekeeper | Housekeeper | Delaware |
| 80 | Eloise Core | 18 | Housekeeper | Housekeeper | Delaware |
Related Census Records
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)