MS
Mary Stevenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sussex-County, Delaware
Our Model Tree links this Mary Stevenson across the 1920, 1930 and 1940 US Censuses in Sussex-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Female
Head
Born: Delaware
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sussex-County, Delaware |
| Surname | Stevenson |
| Given Name | Mary H. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| 1935 Residence (City) | Representative District No 8 |
| 1935 Residence (County) | Sussex |
| Additional Details | |
| Highest Grade | H 8 |
| 1935 Residence | Same Place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Representative District No 8 |
| Est. Birth Year | ~1892 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Stevenson | Son | — | 21 | ~1919 |
| Robert Stevenson | Son | — | 19 | ~1921 |
| Mildred Stevenson | Daughter | — | 16 | ~1924 |
| Mary Stevenson | Head | — | 48 | ~1892 |
Census Appearances
1920
Sussex, Delaware
Spouse, age 28
Sussex, Delaware · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Sussex, Delaware
Spouse, age 38
Sussex, Delaware · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 21 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Sussex-County, Delaware
Head, age 48
Sussex-County, Delaware · implied b. ~1892 — 4 household members
| Surname | Stevenson |
| Given Name | Mary H. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| 1935 Residence (City) | Representative District No 8 |
| 1935 Residence (County) | Sussex |
| Highest Grade | H 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 Stevenson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stevenson
Head · 1940 · age 48 · b. ~1892 · Delaware
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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 — Sussex-County, Delaware
Open full size
1940 US Federal Census — Sussex-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00548-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles S. Barton | 63 | Head | Farmer | Delaware |
| 42 | Mollie Barton | 55 | Wife | — | Delaware |
| 43 | Alice Barton | 29 | Daughter | — | Delaware |
| 44 | Clifford Messick | 29 | Head | Farmer | Maryland |
| 45 | Shirley B. Messick | 22 | Wife | — | Delaware |
| 46 | Shirley Messick | 4 | Daughter | — | Delaware |
| 47 | George W. Burton | 67 | Head | Farmer | Delaware |
| 48 | Bertha Burton | 61 | Wife | — | Delaware |
| 49 | Timothy Banks | 55 | Head | Farmer | Delaware |
| 50 | Florence Banks | 52 | Wife | — | Delaware |
| 51 | Virgil J. Banks | 25 | Son | Farmer | Delaware |
| 52 | William Scott | 21 | Lodger | Laborer | Delaware |
| 53 | Daniel Donovan | 35 | Head | Farmer | Delaware |
| 54 | Mary H. Donovan | 28 | Wife | — | Delaware |
| 55 | Dorothy Donovan | 7 | Daughter | — | Delaware |
| 56 | William E. Morley | 58 | Head | Farmer | Delaware |
| 57 | Ada Morley | 52 | Wife | — | Delaware |
| 58 | Eliza J. Morley | 84 | Mother | — | Delaware |
| 59 | George Sammons | 32 | Nephew | Farmer | Delaware |
| 60 | Mary H. Stevenson THIS PERSON | 48 | Head | — | Delaware |
| 61 | Joseph D. Stevenson | 21 | Son | Farmer | Delaware |
| 62 | Robert D. Stevenson | 19 | Son | Laborer | Delaware |
| 63 | Mildred Stevenson | 16 | Daughter | — | Delaware |
| 64 | Morris D. Fox | 30 | Head | Brick Layer | Delaware |
| 65 | Elsie Fox | 28 | Wife | — | Delaware |
| 66 | Clifford Green | 42 | Head | Farmer | Delaware |
| 67 | Marie Green | 41 | Wife | — | Delaware |
| 68 | Mary Green | 16 | Daughter | — | Delaware |
| 69 | Peter D. Harris | 42 | Head | Farmer | Delaware |
| 70 | Emma Harris | 76 | Mother | — | Delaware |
| 71 | Helen Harris | 14 | Niece | — | Delaware |
| 72 | Oscar Harris | 12 | Nephew | — | Delaware |
| 73 | Orville H. Peets | 36 | Head | Art Teacher | Ohio |
| 74 | Ethel E. Peets | 62 | Wife | — | Delaware |
| 75 | James E. Hazzard | 34 | Head | Farmer | Pennsylvania |
| 76 | Bessie L. Hazzard | 34 | Wife | — | Delaware |
| 77 | James Jr. Hazzard | 13 | Son | — | Delaware |
| 78 | Beatrice Hazzard | 11 | Daughter | — | Delaware |
| 79 | John Hazzard | 10 | Son | — | Delaware |
| 80 | Betty Hazzard | 8 | Daughter | — | Delaware |
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)