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Mary Grant — 1920 US Census Record
Model Tree available1920 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Grant across the 1900, 1910 and 1920 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed), with identified parents Michael & Michel — first a daughter (b.~1901), then head of a 10-person household.
Age 19
b. ~1901
Female
Daughter
Born: Delaware
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | New Castle, Delaware |
| Surname | Grant |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Clerk |
| Industry | Eastern Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Clerk |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1901 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Grant | Daughter | — | 19 | ~1901 |
| Margaret Grant | Daughter | — | 22 | ~1898 |
| Rosanna Grant | Daughter | — | 12 | ~1908 |
| Ellen Grant | Daughter | — | 10 | ~1910 |
| Michael Grant | Head | — | 55 | ~1865 |
| Harry Grant | Son | — | 23 | ~1897 |
| Charles Grant | Son | — | 17 | ~1903 |
| Joseph Grant | Son | — | 25 | ~1895 |
| Francis Grant | Son | — | 15 | ~1905 |
| Margaret Grant | Spouse | — | 50 | ~1870 |
Census Appearances
1900
New Castle, …
Daughter, age
New Castle, Delaware · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | May |
| Birth Year | 1900 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Daughter, age 10
New Castle, Delaware · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Daughter, age 19
New Castle, Delaware · implied b. ~1901 — 10 household members
| Surname | Grant |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Eastern Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Grant across 3 US Census years (1900, 1910 and 1920) in New Castle, Delaware, using XGBoost record linkage. Identified parents: father Michael Grant (~0.92 confidence) and father Michel Grant (~0.92 confidence) and mother Maggie Grant (~0.92 confidence) and mother Margaret Grant (~0.92 confidence) and mother Margaret Grant (~0.92 confidence) and father Michael Grant (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Grant
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Michel Grant
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Maggie Grant
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Margaret Grant
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Margaret Grant
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Michael Grant
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Grant
Daughter · 1920 · age 19 · b. ~1901 · Delaware
★ You are viewing this record
Sibling
Joseph Grant
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Grant
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Grant
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Grant
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosanna Grant
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Grant
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Grant
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — New Castle, Delaware
Open full size
1920 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu203unit:0595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Daniels | 13 | Son | — | Delaware |
| 52 | Rose Henser | 17 | Sister in law | — | Delaware |
| 53 | Carmine Demerilly | 50 | Head | Shoemaker | Italy |
| 54 | Carmay Demerilly | 19 | Daughter | Cigar Maker | Delaware |
| 55 | Jennie Fogliolo | 16 | Daughter | — | Delaware |
| 56 | Clara Fogliolo | 12 | Daughter | — | Delaware |
| 57 | Mary Fogliolo | 6 | Daughter | — | Delaware |
| 58 | Nicola Fogliolo | 21 | Son in law | Machinist | Italy |
| 59 | Elizabeth Campbell | 54 | Head | — | Scotland |
| 60 | Elizabeth Campbell | 31 | Daughter | Stenographer | Pennsylvania |
| 61 | Adelaide Campbell | 28 | Daughter | — | Pennsylvania |
| 62 | Robert Campbell | 32 | Son | Draftsman | Pennsylvania |
| 63 | Ambrose Chappell | 32 | Son in law | Foreman | Pennsylvania |
| 64 | Michael H. Grant | 55 | Head | Watchman | Delaware |
| 65 | Margaret T. Grant | 50 | Wife | — | New Jersey |
| 66 | Joseph F. Grant | 25 | Son | Gunsmithe | Delaware |
| 67 | Harry J. Grant | 23 | Son | Tinsmith | Delaware |
| 68 | Margaret L. Grant | 22 | Daughter | Stenographer | Delaware |
| 69 | Mary E. Grant THIS PERSON | 19 | Daughter | Clerk | Delaware |
| 70 | Charles E. Grant | 17 | Son | Laborer | Delaware |
| 71 | Francis Grant | 15 | Son | — | Delaware |
| 72 | Rosanna Grant | 12 | Daughter | — | Delaware |
| 73 | Ellen Grant | 10 | Daughter | — | Delaware |
| 74 | Robert Bradbury | 67 | Head | Laborer | Delaware |
| 75 | Annie Bradbury | 56 | Wife | — | Pennsylvania |
| 76 | Ruth Bradbury | 20 | Daughter | Saleslady | Delaware |
| 77 | Ralph Raymond | 25 | Son in law | Clerk | Pennsylvania |
| 78 | Ella Raymond | 23 | Daughter | — | Delaware |
| 79 | Ella Searles | 60 | Sister | Housemaid | Pennsylvania |
| 80 | Isaac Kite | 52 | Head | Butcher | Delaware |
| 81 | Sarah Kite | 40 | Wife | — | Maryland |
| 82 | Harry H. Kite | 25 | Son | Butcher | Pennsylvania |
| 83 | Rebecca Kite | 19 | Daughter | — | Delaware |
| 84 | Estella Kite | 17 | Daughter | — | Delaware |
| 85 | Nella Kite | 17 | Daughter | — | Delaware |
| 86 | William Kite | 12 | Son | — | Delaware |
| 87 | Julia V. Bliss | 70 | Head | Dressmaker | Delaware |
| 88 | Franklin F. Bliss | 63 | Son in law | Car Builder | Delaware |
| 89 | Rosetta B. Bliss | 47 | Daughter | Teacher | Delaware |
| 90 | Frank Lightcap | 62 | Head | Carpenter | New Jersey |
| 91 | Louisa Lightcap | 57 | Wife | — | Pennsylvania |
| 92 | Walter Lightcap | 35 | Son | Machinist | Pennsylvania |
| 93 | Edith Lightcap | 25 | Daughter | Clerk | Pennsylvania |
| 94 | Mortford Dougherty | 50 | Head | Salesman | Delaware |
| 95 | Ida Dougherty | 48 | Wife | — | Maryland |
| 96 | Paul Dougherty | 23 | Son | Sorter | Ohio |
| 97 | Philip Dougherty | 21 | Son | Sign Writer | Delaware |
| 98 | Grace Dougherty | 16 | Daughter | Pianist | Delaware |
| 99 | Alice Dougherty | 11 | Daughter | — | Delaware |
| 100 | James E. Jamison | 41 | Head | Printer | Maryland |
Related Census Records
Pedigree Summary
Mary + 7 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)