MJ
Marie Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sussex, Delaware
Our Model Tree links this Marie Johnson across the 1920 and 1930 US Censuses in Sussex, Delaware (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 8-person household.
Age 18
b. ~1912
Female
Daughter
Born: Delaware
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sussex, Delaware |
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Representative Dist 4 |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Helen Johnson | Daughter | — | 16 | ~1914 |
| Olivia Johnson | Daughter | — | 22 | ~1908 |
| Margaret Johnson | Daughter | — | 9 | ~1921 |
| Rose Johnson | Daughter | — | 11 | ~1919 |
| Madlin Johnson | Daughter | — | 14 | ~1916 |
| Marie Johnson | Daughter | — | 18 | ~1912 |
| William Johnson | Head | — | 55 | ~1875 |
| Rose Johnson | Other | — | 48 | ~1882 |
Census Appearances
1920
Sussex, Delaware
Daughter, age 8
Sussex, Delaware · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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 |
1930
Sussex, Delaware
Daughter, age 18
Sussex, Delaware · implied b. ~1912 — 8 household members
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | 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 Marie Johnson across 2 US Census years (1920 and 1930) in Sussex, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Johnson
Daughter · 1930 · age 18 · b. ~1912 · Delaware
★ You are viewing this record
Sibling
Margaret Johnson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madlin Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Johnson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olivia Johnson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1930 · age 16
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
1930 US Federal Census — Sussex, Delaware
Open full size
1930 US Federal Census — Sussex, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus291unit:0372)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry E Jefferson | 35 | Head | Farmer | Delaware |
| 52 | Nellie O Jefferson | 33 | Wife | None | Delaware |
| 53 | Alvin T Jefferson | 14 | Son | None | Delaware |
| 54 | Earl J Jefferson | 2 | Son | None | Delaware |
| 55 | Henry Horsey | 60 | Head | Farmer | Delaware |
| 56 | Martha A Horsey | 58 | Wife-H | Laundress | Delaware |
| 57 | William J Horsey | 30 | Son | Labourer | Delaware |
| 58 | Charles H Horsey | 15 | Son | None | Delaware |
| 59 | Leroy Horsey | 12 | Grand Son | None | Delaware |
| 60 | Richard Horsey | 17 | Grand Son | Labourer | Delaware |
| 61 | Louise Horsey | 7 | Grand Daughter | None | Delaware |
| 62 | William Shockley | 60 | Head | Farmer | Delaware |
| 63 | Alice L Shockley | 54 | Wife-H | None | Delaware |
| 64 | Emma Shockley | 25 | Daughter | Labourer | Delaware |
| 65 | Charlie Shockley | 19 | Son | Labourer | Delaware |
| 66 | Morris Shockley | 15 | Son | None | Delaware |
| 67 | Pearl Shockley | 11 | Daughter | None | Delaware |
| 68 | Sandy Ridout | 60 | Lodger | Labourer | Maryland |
| 69 | Culton H Hammond | 49 | Head | Farmer | Maryland |
| 70 | Cora E Hammond | 49 | Wife-H | None | Maryland |
| 71 | Albert S Hammond | 20 | Adopted Son | Labourer | Maryland |
| 72 | William Parker | 17 | Hired Man | Labourer | Maryland |
| 73 | Phillip R. James | 45 | Head | Farmer | Delaware |
| 74 | Andora M James | 74 | Mother-H | None | Delaware |
| 75 | Roy Hitchens | 31 | Head | Farmer | Delaware |
| 76 | I May Hitchens | 26 | Wife-H | None | Delaware |
| 77 | Layton Hitchens | 7 | Son | None | Delaware |
| 78 | Daniel W Short | 36 | Head | Farmer | Delaware |
| 79 | Reba Short | 34 | Wife-H | None | Delaware |
| 80 | Alton D Short | 4 | Son | None | Delaware |
| 81 | Madeline Hobbs | 11 | Niece | None | Delaware |
| 82 | William M. Johnson | 55 | Head | Farmer | Delaware |
| 83 | Rose Johnson | 48 | Wife-H | None | Pennsylvania |
| 84 | Olivia Johnson | 22 | Daughter | None | Pennsylvania |
| 85 | Marie Johnson THIS PERSON | 18 | Daughter | None | Delaware |
| 86 | Helen Johnson | 16 | Daughter | None | Delaware |
| 87 | Madlin Johnson | 14 | Daughter | None | Delaware |
| 88 | Rose M Johnson | 11 | Daughter | None | Delaware |
| 89 | Margaret Johnson | 9 | Daughter | None | Delaware |
| 90 | Durand Carey | 53 | Head | Farmer | Delaware |
| 91 | Emma Carey | 45 | Wife-H | None | Maryland |
| 92 | Russell Carey | 21 | Son | Labourer | Maryland |
| 93 | Beatrice Carey | 13 | Daughter | None | Maryland |
| 94 | Walter Carey | 7 | Son | None | Maryland |
| 95 | Vincent Carey | 5 | Son | None | Delaware |
| 96 | Thomas S Lankford | 66 | O | Farmer | Delaware |
| 97 | Jennie R Lankford | 56 | Wife | None | Delaware |
| 98 | Lottie Austin | 21 | Servant | Maid | New York |
| 99 | George Harrell | 23 | R | Farmer | Delaware |
| 100 | Bessie Harrell | 21 | Wife-H | None | Delaware |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)