FJ
Floyd Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegany-County, Maryland
Our Model Tree links this Floyd Johnson across the 1930 and 1940 US Censuses in Allegany-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegany-County, Maryland |
| Surname | Johnson |
| Given Name | Floyd |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cumberland |
| 1935 Residence (County) | Allegany |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Cumberland |
| Est. Birth Year | ~1924 |
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 1940 census.
| Name | Relation to head | Relative to Floyd | Age | Birth yr |
|---|---|---|---|---|
| Harvey Johnson | Son | — | 25 | ~1915 |
| Blanche Johnson | Spouse | — | 49 | ~1891 |
| Donald Johnson | Son | — | 8 | ~1932 |
| Ruth Johnson | Daughter | — | 11 | ~1929 |
| Jerome Johnson | Head | — | 52 | ~1888 |
| Helen Johnson | Daughter | — | 22 | ~1918 |
| Floyd Johnson | Son | — | 16 | ~1924 |
Census Appearances
1930
Allegany, Maryland
Son, age 6
Allegany, Maryland · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Floyd |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegany-County, Maryland
Son, age 16
Allegany-County, Maryland · implied b. ~1924 — 7 household members
| Surname | Johnson |
| Given Name | Floyd |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cumberland |
| 1935 Residence (County) | Allegany |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Floyd Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Floyd Johnson
Son · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Ruth Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Johnson
Sibling · 1940 · age 25
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
1940 US Federal Census — Allegany-County, Maryland
Open full size
1940 US Federal Census — Allegany-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01500-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerome J Johnson | 52 | Head | Watchman | Pennsylvania |
| 42 | Blanche Johnson | 49 | Wife | — | Pennsylvania |
| 43 | Harvey Johnson | 25 | Son | Textiler | Maryland |
| 44 | Helen Johnson | 22 | Daughter | Textiler | Maryland |
| 45 | Floyd Johnson THIS PERSON | 16 | Son | — | Maryland |
| 46 | Ruth Johnson | 11 | Daughter | — | Maryland |
| 47 | Donald Johnson | 8 | Son | — | Maryland |
| 48 | William Mcmillan | 44 | Head | Handy Man | Maryland |
| 49 | Pearl Mcmillan | 33 | Wife | Textiler | West Virginia |
| 50 | Frank Lease | 49 | Head | Steel Worker | Maryland |
| 51 | Libby G Lease | 38 | Wife | — | West Virginia |
| 52 | Ernest Kniffenberg | 35 | Head | Millwright | Maryland |
| 53 | Eloise Kniffenberg | 20 | Wife | Spinner | Maryland |
| 54 | Sanford B Brake | 53 | Head | Engineer | West Virginia |
| 55 | Ida B Brake | 48 | Wife | — | West Virginia |
| 56 | William P Brake | 22 | Son | Laborer | Maryland |
| 57 | Earl Chaney | 43 | Lodger | Truck Driver | Maryland |
| 58 | Samuel G Wilson | 59 | Head | Farmer | Maryland |
| 59 | Elizabeth E Wilson | 58 | Wife | — | Maryland |
| 60 | Kenneth Wilson | 26 | Son | Processor | Maryland |
| 61 | Pauline Wilson | 24 | Daughter | Textiler | Maryland |
| 62 | Eddy Wilson | 22 | Son | — | Maryland |
| 63 | Elizabeth Wilson | 20 | Daughter | — | Maryland |
| 64 | Robert Wilson | 17 | Son | — | Maryland |
| 65 | Thurston Wilson | 28 | Head | Road Laborer | Maryland |
| 66 | Eulah G Wilson | 22 | Wife | — | West Virginia |
| 67 | William Wilson | 5 | Son | — | Maryland |
| 68 | Kermit Sittey | 39 | Head | Dyer | West Virginia |
| 69 | Ruby G Sittey | 33 | Wife | — | West Virginia |
| 70 | William Sittey | 5 | Son | — | Maryland |
| 71 | Richard Sittey | 4 | Son | — | Maryland |
| 72 | Belmont Athey | 38 | Head | Trucker | Maryland |
| 73 | Iva G Athey | 33 | Wife | — | West Virginia |
| 74 | Belmont Jr Athey | 5 | Son | — | Maryland |
| 75 | William P Athey | 1 | Son | — | Maryland |
| 76 | George Hamilton | 56 | Head | Rubber Worker | West Virginia |
| 77 | Annie G Hamilton | 56 | Wife | — | Virginia |
| 78 | Edward Borsell | 45 | Head | Pipeing Apprentice | West Virginia |
| 79 | Elna G Borsell | 43 | Wife | — | Maryland |
| 80 | Charles Robinette | 40 | Lodger | Caretaker | Maryland |
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)