MR
Mary Roach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sussex-County, Delaware
Our Model Tree links this Mary Roach across the 1920, 1930 and 1940 US Censuses in Sussex-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sussex-County, Delaware |
| Surname | Roach |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Gingeltown Rep. Dist. 9 |
| 1935 Residence (County) | Sussex |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Gingeltown Rep Dist 9 |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Walter Roach | Head | — | 61 | ~1879 |
| Edwin Roach | Son | — | 34 | ~1906 |
| Mary Roach | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Sussex, Delaware
Spouse, age 44
Sussex, Delaware · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| 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 51
Sussex, Delaware · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 18 |
| 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
Spouse, age 60
Sussex-County, Delaware · implied b. ~1880 — 3 household members
| Surname | Roach |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Gingeltown Rep. Dist. 9 |
| 1935 Residence (County) | Sussex |
| 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 Roach 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 Roach
Spouse · 1940 · age 60 · b. ~1880 · 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 — 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-t0627-00548-00397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman S. Mitchell | 31 | Head | Clerk | Delaware |
| 42 | Thelma Mitchell | 30 | Wife | — | Delaware |
| 43 | Robert Mitchell | 10 | Son | — | Delaware |
| 44 | Earl Mitchell | 6 | Son | — | Delaware |
| 45 | Walter (X) Roach | 61 | Head | Contractor | Delaware |
| 46 | Mary J. Roach THIS PERSON | 60 | Wife | — | Delaware |
| 47 | Edwin Roach | 34 | Son | Laborer | Delaware |
| 48 | William Wyatt | 64 | Head | Laborer | Delaware |
| 49 | Lizzie (X) Wyatt | 64 | Wife | — | Delaware |
| 50 | George Aydelette | 27 | Head | Hauling | Delaware |
| 51 | Mary Aydelette | 31 | Wife | Seamstress | Delaware |
| 52 | Dickerson Elane Aydelette | 0 | Daughter | — | Delaware |
| 53 | Margie (X) Booth | 50 | Head | — | Maryland |
| 54 | Robert Booth | 26 | Son | Operator | Maryland |
| 55 | Thomas Booth | 20 | Son | Operator | Maryland |
| 56 | Myrna Booth | 19 | Daughter | Assistant Clerk | Delaware |
| 57 | William Booth | 18 | Son | — | Delaware |
| 58 | Edward Booth | 16 | Son | — | Delaware |
| 59 | Theodore Jester | 32 | Head | Clerk | Delaware |
| 60 | Anna (X) Jester | 27 | Wife | Seamstress | Delaware |
| 61 | John L. Wilson | 79 | Son in law | — | Delaware |
| 62 | James E. Roach | 38 | Head | Operator | Delaware |
| 63 | Helen (X) Roach | 36 | Wife | — | Delaware |
| 64 | John S. Roach | 12 | Son | — | Delaware |
| 65 | Jean F. Roach | 9 | Daughter | — | Delaware |
| 66 | Paul Richardson | 24 | Nephew | Dry Cleaner | Delaware |
| 67 | Peter King | 79 | Head | Blacksmith | Delaware |
| 68 | Cornell Joseph | 77 | Head | — | Delaware |
| 69 | Lydia (X) Joseph | 59 | Wife | — | Delaware |
| 70 | John Richardson | 65 | Boarder | Flagman | Delaware |
| 71 | John B. Wilkins | 67 | Head | Flagman | Delaware |
| 72 | Ida M. (X) Wilkins | 67 | Wife | — | Delaware |
| 73 | Clarence Workman | 29 | Head | Laborer | Delaware |
| 74 | Florence (X) Workman | 28 | Wife | — | Delaware |
| 75 | William Roach | 38 | Head | Laborer | Delaware |
| 76 | Clara (X) Roach | 35 | Wife | — | Delaware |
| 77 | Arnold Roach | 14 | Son | — | Delaware |
| 78 | Patsy Roach | 13 | Daughter | — | Delaware |
| 79 | Catherine Roach | 10 | Daughter | — | Delaware |
| 80 | Marshall Kitchens | 28 | Head | Deliveryman | 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)