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Mary Long — 1920 US Census Record
Model Tree available1920 United States Federal Census · Sussex, Delaware
Our Model Tree links this Mary Long across the 1900, 1910 and 1920 US Censuses in Sussex, Delaware (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1900), then head of a 7-person household.
Age 20
b. ~1900
Female
Daughter
Born: Delaware
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Sussex, Delaware |
| Surname | Long |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Seaford Dist 10 Representative |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Long | Daughter | — | 20 | ~1900 |
| Catherine Long | Daughter | — | 18 | ~1902 |
| Myrtle Long | Daughter | — | 13 | ~1907 |
| Maud Long | Daughter | — | 10 | ~1910 |
| George Long | Head | — | 54 | ~1866 |
| George Long | Son | — | 16 | ~1904 |
| Annie Long | Spouse | — | 53 | ~1867 |
Census Appearances
1900
Sussex, Delaware
Daughter, age 3
Sussex, Delaware · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | Nov |
| Birth Year | 1897 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
Sussex, Delaware
Daughter, age 11
Sussex, Delaware · implied b. ~1899 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
Sussex, Delaware
Daughter, age 20
Sussex, Delaware · implied b. ~1900 — 7 household members
| Surname | Long |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| 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 |
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 Long across 3 US Census years (1900, 1910 and 1920) in Sussex, Delaware, using XGBoost record linkage. Identified parents: father George Long (~0.92 confidence) and father George Long (~0.92 confidence) and mother Annie Long (~0.92 confidence) and father Geo Snig (~0.92 confidence) and mother Annie Snig (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Long
b. ~1860
Source father
● Household
· direct · ~0.92
Father
George Long
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Annie Long
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
Geo Snig
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Annie Snig
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Long
Daughter · 1920 · age 20 · b. ~1900 · Delaware
★ You are viewing this record
Sibling
Catherine Long
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maud Long
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Long
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Long
Sibling · 1920 · age 13
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 — Sussex, Delaware
Open full size
1920 US Federal Census — Sussex, Delaware
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu201unit:0524)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Naples | 50 | Wife | — | Delaware |
| 2 | Benjamin Phillips | 29 | Head | Laborer | Delaware |
| 3 | Hannah Phillips | 21 | Wife | — | Delaware |
| 4 | George H Long | 54 | Head | Laborer | Delaware |
| 5 | Annie H Long | 53 | Wife | — | Delaware |
| 6 | Mary A Long THIS PERSON | 20 | Daughter | — | Delaware |
| 7 | Catherine Long | 18 | Daughter | Servant | Delaware |
| 8 | George H Long | 16 | Son | Servant | Delaware |
| 9 | Myrtle Long | 13 | Daughter | — | Delaware |
| 10 | Maud Long | 10 | Daughter | — | Delaware |
| 11 | Mary S Phillips | 55 | Head | — | Delaware |
| 12 | John W Phillips | 31 | Son | — | Delaware |
| 13 | Bessie M Phillips | 27 | Daughter | — | Delaware |
| 14 | Charles H Phillips | 25 | Son | Farmer | Delaware |
| 15 | George A Phillips | 22 | Son | — | Delaware |
| 16 | Clifford Phillips | 17 | Son | — | Delaware |
| 17 | Fred B Phillips | 15 | Son | Laborer | Delaware |
| 18 | Harry W Palmer | 42 | Head | Laborer | Delaware |
| 19 | Annie B Palmer | 32 | Wife | Laborer | Delaware |
| 20 | Alice J Palmer | 14 | Daughter | Farmer | Delaware |
| 21 | Sanford B Palmer | 9 | Son | — | Delaware |
| 22 | Ida M Palmer | 4 | Daughter | — | Delaware |
| 23 | Horas M Murray | 46 | Head | — | Delaware |
| 24 | Linden J Murray | 18 | Son | — | Delaware |
| 25 | Clara S Murray | 16 | Daughter | Blacksmith | Delaware |
| 26 | Troy J Murray | 14 | Son | — | Delaware |
| 27 | Alfred B Murray | 32 | Head | — | Delaware |
| 28 | Daisy M Murray | 27 | Wife | — | Delaware |
| 29 | Linton F Murray | 10 | Son | Farmer | Delaware |
| 30 | Thelma Murray | 5 | Daughter | — | Delaware |
| 31 | Junith S Murray | 65 | Mother | — | Delaware |
| 32 | George M Murray | 40 | Head | — | Delaware |
| 33 | Janie M Murray | 37 | Wife | — | Delaware |
| 34 | Edna E Murray | 16 | Daughter | Farmer | Delaware |
| 35 | Edward L Murray | 14 | Son | — | Delaware |
| 36 | Doris Murray | 11 | Daughter | — | Delaware |
| 37 | Hazel V Murray | 7 | Son | — | Delaware |
| 38 | Stephen W Pennal | 46 | Head | — | Delaware |
| 39 | Lilla Pennal | 44 | Wife | — | Delaware |
| 40 | Henry B Pennal | 23 | Son | Laborer | Delaware |
| 41 | Annie M Pennal | 14 | Daughter | — | Delaware |
| 42 | Clarence Carpenter | 40 | Head | Laborer | Delaware |
| 43 | Lilian V Carpenter | 35 | Wife | — | Delaware |
| 44 | Walter R Carpenter | 38 | Head | Farmer | Delaware |
| 45 | Clara S Carpenter | 38 | Wife | — | Delaware |
| 46 | Edna L Carpenter | 14 | Daughter | Farmer | Delaware |
| 47 | Harry S Carpenter | 14 | Home boy | — | Delaware |
| 48 | Erstyn J Carpenter | 13 | Home boy | — | Delaware |
| 49 | John S Tridle | 63 | Head | — | Delaware |
| 50 | James R Tridle | 29 | Son | Farmer | Delaware |
Related Census Records
Pedigree Summary
Mary + 4 siblings
Gen 1 · 5 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)