MR
Mary Richards — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Mary Richards across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 5-person household.
Age 63
b. ~1877
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | New Castle Hund. Representative District 10 |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | New Castle Hund Representative District 10 |
| Est. Birth Year | ~1877 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dayton | Daughter | — | 38 | ~1902 |
| Robert Richards | Head | — | 62 | ~1878 |
| Richard Dayton | Other | — | 5 | ~1935 |
| Harold Dayton | Son | — | 13 | ~1927 |
| Mary Richards | Spouse | — | 63 | ~1877 |
Census Appearances
Spouse, age 39
New Castle, Delaware · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| 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
New Castle, …
Spouse, age 54
New Castle, Delaware · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Delaware |
| Naturalization Status | Naturalized |
| Age at First Marriage | 23 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Spouse, age 63
New-Castle-County, Delaware · implied b. ~1877 — 5 household members
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | New Castle Hund. Representative District 10 |
| 1935 Residence (County) | New Castle |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Richards 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 Richards
Spouse · 1940 · age 63 · b. ~1877 · 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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00546-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Whitten | 26 | son | Laborer | Delaware |
| 2 | Donald Whitten | 15 | son | — | Delaware |
| 3 | Frank Lynam | 62 | head | Operator | Maryland |
| 4 | Bertha Lynam | 61 | wife | — | Delaware |
| 5 | Marjorie Lynam | 33 | daughter | Teacher | Delaware |
| 6 | Dorsey Lynam | 30 | son | — | Delaware |
| 7 | Wesley Lynam | 21 | son | — | Delaware |
| 8 | William Foote | 67 | head | Tourist Cabin Operator | Delaware |
| 9 | Minnie Foote | 67 | wife | — | New York |
| 10 | Margaret Smith | 33 | head | Operator Tourist Cabin | Delaware |
| 11 | Michael Feathernt | 24 | lodger | Attendant | Maryland |
| 12 | Clifton Ellis | 52 | head | — | Delaware |
| 13 | Anna Ellis | 43 | wife | — | New Jersey |
| 14 | Corey G. Hoots | 68 | head | — | Pennsylvania |
| 15 | Annie Hoots | 66 | wife | — | Pennsylvania |
| 16 | Robert Richards | 62 | head | Operator | Delaware |
| 17 | Mary Richards THIS PERSON | 63 | wife | — | Delaware |
| 18 | Mary Dayton | 38 | daughter | Bookkeeper | Delaware |
| 19 | Harold Dayton | 13 | son | — | Delaware |
| 20 | Richard Dayton | 5 | grand son | — | Delaware |
| 21 | John J. Sharpe | 62 | head | Operator | Delaware |
| 22 | Mary Sharpe | 64 | wife | — | Delaware |
| 23 | Marian Sharpe | 31 | daughter | — | Pennsylvania |
| 24 | John E. Sharpe | 30 | son | Pipe Fitter | Pennsylvania |
| 25 | Helen E. Sharpe | 25 | daughter | — | Pennsylvania |
| 26 | Ralph Larson | 34 | head | Operator | Delaware |
| 27 | Ella Larson | 31 | wife | — | Delaware |
| 28 | Holland Cleaver | 52 | head | Grinder | Delaware |
| 29 | Florence Cleaver | 47 | wife | — | Delaware |
| 30 | Francis Cleaver | 15 | son | — | Delaware |
| 31 | Walter Colmery | 39 | head | Truck Driver | Delaware |
| 32 | Ethel Colmery | 39 | wife | — | Delaware |
| 33 | Lois Colmery | 10 | daughter | — | Delaware |
| 34 | Bernice Colmery | 5 | daughter | — | Delaware |
| 35 | Henry W. Phelps | 64 | head | Sand + Gravel | Massachusetts |
| 36 | Clara M. Phelps | 63 | wife | — | Massachusetts |
| 37 | Ruth Phelps | 28 | daughter | Secretary | Kentucky |
| 38 | Sylvia E. Phelps | 20 | daughter | — | Pennsylvania |
| 39 | Howard Bruene | 25 | head | — | Wisconsin |
| 40 | Carolyn A. Bruene | 27 | wife | — | Ohio |
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)