MR
Mary Robinson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Robinson across the 1920, 1930 and 1940 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 9-person household.
Age 38
b. ~1892
Female
Spouse
Born: Delaware
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Robinson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 23 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Additional Details | |
| Occupation | Laundress |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laundress |
| Township / Ward | Wilmington City |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Brown | Daughter | — | 10 | ~1920 |
| Sarah Brown | Daughter | — | 12 | ~1918 |
| Syman Brown | Head | — | 37 | ~1893 |
| Arthur Johnson | Other | — | 28 | ~1902 |
| Clayborn Robinson | Other | — | 39 | ~1891 |
| John Henry | Other | — | 51 | ~1879 |
| Helen Brown | Spouse | — | 33 | ~1897 |
| Mary Robinson | Spouse | — | 38 | ~1892 |
| Ada Henry | Spouse | — | 47 | ~1883 |
Census Appearances
1920
New Castle, …
Spouse, age 27
New Castle, Delaware · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Spouse, age 38
New Castle, Delaware · implied b. ~1892 — 9 household members
| Surname | Robinson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 23 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laundress |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Other, age 49
New-Castle-County, Delaware · implied b. ~1891 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Mabel |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Occupation | housekeeper |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Robinson 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 Robinson
Spouse · 1930 · age 38 · b. ~1892 · 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
20 people indexed on this census page (ia:1930:15thcensus290unit:0303)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Williams | 42 | Head | Mover | Mississippi |
| 52 | Mary E Williams | 43 | Wife | Laundress | Maryland |
| 53 | Harriet Dorsey | 70 | Mother-in-law | — | Maryland |
| 54 | Edward Dorsey | 41 | Brother-in-law | Laborer | Maryland |
| 55 | Samuel Lee | 62 | Head | Watchman | Virginia |
| 56 | Rose Lee | 58 | Wife | — | Virginia |
| 57 | Silas W Brown | 34 | Head | Janitor | Delaware |
| 58 | Isabella Brown | 33 | Wife | — | Delaware |
| 59 | Sarah Brown | 52 | Mother | — | Virginia |
| 60 | Charles W Toliver | 70 | Head | Teamster | Alabama |
| 61 | Lucy Toliver | 41 | Daughter | Teacher | Virginia |
| 62 | Syman Brown | 37 | Head | Houseman | Delaware |
| 63 | Helen Brown | 33 | Wife | — | Connecticut |
| 64 | Sarah Brown | 12 | Daughter | — | Delaware |
| 65 | Helen Brown | 10 | Daughter | — | Delaware |
| 66 | Clayborn Robinson | 39 | — | Foreman | Virginia |
| 67 | Mary J Robinson THIS PERSON | 38 | Wife | Laundress | Delaware |
| 68 | John W Henry | 51 | — | Laborer | Virginia |
| 69 | Ada Henry | 47 | Wife | Cook | Virginia |
| 70 | Arthur Johnson | 28 | Stepson | Laborer | Virginia |
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)