MS
Mary Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Smith across the 1910, 1920 and 1930 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 10-person household.
Age 55
b. ~1875
Female
Spouse
Born: Delaware
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Smith |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 25 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Connecticut |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Middletown Town |
| Est. Birth Year | ~1875 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 13 | ~1917 |
| Alice Smith | Daughter | — | 11 | ~1919 |
| William Smith | Head | — | 52 | ~1878 |
| John Smith | Son | — | 18 | ~1912 |
| William Smith | Son | — | 25 | ~1905 |
| George Smith | Son | — | 20 | ~1910 |
| Edward Smith | Son | — | 15 | ~1915 |
| Charles Smith | Son | — | 9 | ~1921 |
| James Smith | Son | — | 22 | ~1908 |
| Mary Smith | Spouse | — | 55 | ~1875 |
Census Appearances
1910
New Castle, …
Spouse, age 37
New Castle, Delaware · implied b. ~1873 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Delaware |
| Years Married | 17 |
| Children Born | 10 |
| Children Living | 7 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Washerwoman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Spouse, age 47
New Castle, Delaware · implied b. ~1873 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Farm Laborer |
| Industry | General 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
New Castle, …
Spouse, age 55
New Castle, Delaware · implied b. ~1875 — 10 household members
| Surname | Smith |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 25 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Connecticut |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Smith across 3 US Census years (1910, 1920 and 1930) in New Castle, Delaware, using XGBoost record linkage.
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This person
Anchor record
Mary Smith
Spouse · 1930 · age 55 · b. ~1875 · Delaware
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New Castle, Delaware
Open full size
1930 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus287unit:0828)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Benson | 42 | Head | — | Delaware |
| 2 | Mary Benson | 41 | Wife | — | Delaware |
| 3 | James Benson | 15 | Son | — | Delaware |
| 4 | Robert Benson | 15 | Son | — | Delaware |
| 5 | Minnie Pease | 55 | Head | Servant | Maryland |
| 6 | John E Pease | 15 | Son | — | Maryland |
| 7 | Walter Jacobs | 35 | Head | Carpenter | Maryland |
| 8 | Elsie Jacobs | 31 | Wife | — | Delaware |
| 9 | Loretta M Jacobs | 5 | Daughter | — | Delaware |
| 10 | Morris Gutman | 43 | Head | Dealer | New Jersey |
| 11 | Annie Gutman | 38 | Wife | — | New York |
| 12 | Sadie Gutman | 17 | Daughter | Secretary | New Jersey |
| 13 | Sophie Gutman | 15 | Daughter | — | Delaware |
| 14 | Dorothy Gutman | 12 | Daughter | — | Delaware |
| 15 | Isaac Bradley | 55 | Head | Carpenter | Delaware |
| 16 | Ida Bradley | 51 | Wife | — | Delaware |
| 17 | Mary Bradley | 15 | Daughter | — | Delaware |
| 18 | Mabel Bradley | 13 | Daughter | — | Delaware |
| 19 | Elizabeth Bradley | 11 | Daughter | — | Delaware |
| 20 | William Smith | 52 | Head | Painter | England |
| 21 | Mary Smith THIS PERSON | 55 | Wife | — | Delaware |
| 22 | William Smith | 25 | Son | — | Delaware |
| 23 | James Smith | 22 | Son | — | Delaware |
| 24 | George Smith | 20 | Son | Carpenter | Maryland |
| 25 | John Smith | 18 | Son | — | Delaware |
| 26 | Edward Smith | 15 | Son | — | Maryland |
| 27 | Mary Smith | 13 | Daughter | — | Delaware |
| 28 | Alice Smith | 11 | Daughter | — | Delaware |
| 29 | Charles Smith | 9 | Son | — | Delaware |
| 30 | — | 42 | — | Coremaker | Pennsylvania |
| 31 | — | 41 | — | — | Delaware |
| 32 | — | 15 | — | — | Delaware |
| 33 | — | 13 | — | — | Delaware |
| 34 | — | 55 | — | Baker | Delaware |
| 35 | — | 53 | — | Teacher | Delaware |
| 36 | — | 18 | — | — | Delaware |
| 37 | — | 15 | — | — | Maryland |
| 38 | — | 13 | — | — | Delaware |
| 39 | — | 49 | — | — | Maryland |
| 40 | — | 55 | — | Watchman | Maryland |
| 41 | — | 53 | — | — | Maryland |
| 42 | — | 22 | — | — | Delaware |
| 43 | — | 20 | — | — | Maryland |
| 44 | — | 18 | — | — | Delaware |
| 45 | — | 15 | — | — | Delaware |
| 46 | — | 13 | — | — | Delaware |
| 47 | — | 55 | — | — | Delaware |
| 48 | — | 21 | — | Assistant Cashier | New Jersey |
| 49 | — | 18 | — | — | Delaware |
| 50 | — | 58 | — | — | Delaware |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)