MJ
Mary Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Johnson across the 1900, 1910 and 1920 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 4-person household.
Age 53
b. ~1867
Female
Spouse
Born: Delaware
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New Castle, Delaware |
| Surname | Johnson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| 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 | Newark Town |
| Est. Birth Year | ~1867 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnson | Daughter | — | 21 | ~1899 |
| Jonathan Johnson | Head | — | 53 | ~1867 |
| Samuel Johnson | Son | — | 12 | ~1908 |
| Mary Johnson | Spouse | — | 53 | ~1867 |
Census Appearances
1900
New Castle, …
Spouse, age 36
New Castle, Delaware · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Delaware |
| Birth Month | Mar |
| Birth Year | 1864 |
| 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 |
1910
New Castle, …
Spouse, age 44
New Castle, Delaware · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Delaware |
| Years Married | 23 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Spouse, age 53
New Castle, Delaware · implied b. ~1867 — 4 household members
| Surname | Johnson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| 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 |
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 Johnson across 3 US Census years (1900, 1910 and 1920) in New Castle, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Johnson
Spouse · 1920 · age 53 · b. ~1867 · Delaware
★ You are viewing this record
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
48 people indexed on this census page (ia:1920:14thcensusofpopu203unit:1060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie J Jewell | 70 | Head | — | Pennsylvania |
| 2 | John Jewell | 32 | Son | Machinist | Maryland |
| 3 | Leonard Jewell | 25 | Son | Machine Hand | Delaware |
| 4 | Albert Titus | 28 | Boarder | Machine Hand | Maryland |
| 5 | Alice M Beech | 59 | Head | — | Maryland |
| 6 | Cornelius Beech | 20 | Son | Machine Hand | Maryland |
| 7 | Richard P Frouth | 30 | Head | Machine Hand | Maryland |
| 8 | Charlotte M Frouth | 28 | Wife | — | Maryland |
| 9 | Leonard Frouth | 1 | Son | — | Delaware |
| 10 | James E Kelly | 56 | Head | Machine Hand | Pennsylvania |
| 11 | Annie E Kelly | 53 | Wife | — | Delaware |
| 12 | Allen E Kelly | 26 | Son | Machine Hand | Delaware |
| 13 | Lillie Kelly | 21 | Daughter | Paper Cutter | Delaware |
| 14 | Mollie E Kelly | 15 | Daughter | — | Delaware |
| 15 | George F Kelly | 14 | Son | — | Delaware |
| 16 | Frederick H Fehrold | 23 | Son-in-law | Chemist | Germany |
| 17 | Ida M Fehrold | 23 | Daughter | — | Delaware |
| 18 | Jonathan Johnson | 53 | Head | Manufacturer | Delaware |
| 19 | Mary E Johnson THIS PERSON | 53 | Wife | — | Delaware |
| 20 | Anna M Johnson | 21 | Daughter | — | Delaware |
| 21 | Samuel R Johnson | 12 | Son | — | Delaware |
| 22 | David Cooper | 72 | Head | Foreman | England |
| 23 | Sara A Cooper | 64 | Wife | — | England |
| 24 | Elizabeth M Cooper | 29 | Daughter | — | England |
| 25 | Frank Merrick | 47 | Head | Caretaker | New York |
| 26 | Amy M Merrick | 47 | Wife | — | Maryland |
| 27 | John W Walls | 57 | Head | Engineer | Maryland |
| 28 | Viola Walls | 49 | Wife | — | Maryland |
| 29 | Clifford Walls | 15 | Grand-son | — | Delaware |
| 30 | Sarah J Taylor | 48 | Boarder | — | Maryland |
| 31 | John Anderson | 75 | Head | — | Maryland |
| 32 | Mary Anderson | 67 | Wife | — | Ireland |
| 33 | William H Robinson | 46 | Head | General Laborer | Maryland |
| 34 | Annie Robinson | 40 | Wife | — | Maryland |
| 35 | Samuel H Harrington | 46 | Head | Paper Making | Virginia |
| 36 | Virginia Harrington | 43 | Wife | — | North Carolina |
| 37 | Lola L Hall | 24 | Daughter | Rag Room | North Carolina |
| 38 | Anna M Hall | 8 | Grand-daughter | — | Delaware |
| 39 | Thelma M Hall | 6 | Grand-daughter | — | Delaware |
| 40 | Frances V Hall | 4 | Grand-daughter | — | Delaware |
| 41 | Amos R Self | 42 | Head | Fibre Maker | Maryland |
| 42 | Nettie Self | 35 | Wife | Cutting | Maryland |
| 43 | William F Self | 13 | Son | — | Maryland |
| 44 | Lavina J Self | 71 | Mother | — | Pennsylvania |
| 45 | Clara J Brown | 46 | Head | Fibre Maker | Delaware |
| 46 | Harold M Brown | 21 | Son | — | Maryland |
| 47 | Charles R Brown | 18 | Son | — | Maryland |
| 48 | Helen A Brown | 14 | Daughter | — | Delaware |
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)