MC
Mary Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kent-County, Delaware
Our Model Tree links this Mary Collins across the 1920, 1930 and 1940 US Censuses in Kent-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Delaware |
| Surname | Collins |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Dover city |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cannery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 390 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laborer |
| Township / Ward | Dover 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Collins | Head | — | 56 | ~1884 |
| Gerald Collins | Son | — | 12 | ~1928 |
| George Collins | Son | — | 18 | ~1922 |
| Joseph Collins | Son | — | 11 | ~1929 |
| Mary Collins | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Kent, Delaware
Spouse, age 27
Kent, Delaware · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Canning Factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Kent, Delaware
Spouse, age 38
Kent, Delaware · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 18 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Labourer |
| Industry | Canning factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Kent-County, Delaware
Spouse, age 48
Kent-County, Delaware · implied b. ~1892 — 5 household members
| Surname | Collins |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Dover city |
| 1935 Residence (County) | Kent |
| Occupation | Laborer |
| Industry | Cannery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 390 |
| Highest Grade | 7 |
| 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 Collins 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 Collins
Spouse · 1940 · age 48 · b. ~1892 · 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 — Kent-County, Delaware
Open full size
1940 US Federal Census — Kent-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00544-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Reason | 44 | Head | Mechanic | Delaware |
| 42 | Grace H. Reason | 44 | Wife | — | Delaware |
| 43 | Paul Reason | 11 | Son | — | Delaware |
| 44 | Loraine Reason | 8 | Daughter | — | Delaware |
| 45 | Cora Parris | 65 | Head | Laborer | Delaware |
| 46 | Hazel D. Sparkes | 30 | Granddaughter | Laborer | Delaware |
| 47 | Doris Sparkes | 10 | G. Granddaughter | — | Delaware |
| 48 | Robert B. Owings | 66 | Head | — | Delaware |
| 49 | Charles Owings | 23 | Son | Waiter | Delaware |
| 50 | Toots Owings | 20 | Daughter-in-law | — | Delaware |
| 51 | Mary D. Marker | 60 | Head | Packer | Maryland |
| 52 | Earle Carlon | 38 | Son-in-law | Laborer | Delaware |
| 53 | Florence Carlon | 29 | Daughter | — | Delaware |
| 54 | Mary Carlon | 4 | Granddaughter | — | Delaware |
| 55 | Anna Carlon | 5 | Granddaughter | — | Delaware |
| 56 | George B. Collins | 56 | Head | Fireman | Delaware |
| 57 | Mary H. Collins THIS PERSON | 48 | Wife | Laborer | Delaware |
| 58 | George Jr. Collins | 18 | Son | — | Delaware |
| 59 | Gerald Collins | 12 | Son | — | Delaware |
| 60 | Joseph Collins | 11 | Son | — | Delaware |
| 61 | Jefferson D. Rust | 49 | Head | Laborer | Delaware |
| 62 | Margaret P. Rust | 50 | Wife | Laborer | Delaware |
| 63 | Doris K. Rust | 14 | Daughter | — | Delaware |
| 64 | Barbara L. Cain | 4 | Granddaughter | — | Delaware |
| 65 | Mary C. Hyatt | 70 | Mother-in-law | — | Delaware |
| 66 | Mildred M. Schier | 28 | Head | Saleswoman | Delaware |
| 67 | Betty Jane Schier | 4 | Daughter | — | Delaware |
| 68 | Thomas Hairgrove | 28 | Lodger | Laborer | Delaware |
| 69 | Carrie Baker | 60 | Head | Laborer | Delaware |
| 70 | William H. Hutchison | 43 | Head | Carpenter | Delaware |
| 71 | Eva K. Hutchison | 43 | Wife | Proprietor | Maryland |
| 72 | Jean Marie Hutchison | 13 | Daughter | — | Maryland |
| 73 | William H. Jr. Hutchison | 9 | Son | — | Maryland |
| 74 | Fred T. Latter | 43 | Head | Carpenter | Delaware |
| 75 | Margaret H. Latter | 39 | Wife | — | Virginia |
| 76 | Eileen B. Latter | 12 | Daughter | — | Delaware |
| 77 | Juanita Latter | 6 | Daughter | — | Delaware |
| 78 | William S. Taber | 41 | Head | Forester | Pennsylvania |
| 79 | Ruth H. Taber | 37 | Wife | — | New Hampshire |
| 80 | Beatrice N. Taber | 15 | Daughter | — | Pennsylvania |
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)