DJ
Daniel Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calvert-County, Maryland
Our Model Tree links this Daniel Johnson across the 1930 and 1940 US Censuses in Calvert-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calvert-County, Maryland |
| Surname | Johnson |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Calvert |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 1 |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Irene Johnson | Daughter | — | 7 | ~1933 |
| Mary Johnson | Daughter | — | ~1940 | |
| Cleo Johnson | Daughter | — | 5 | ~1935 |
| Ellen Johnson | Daughter | — | 6 | ~1934 |
| Anna Johnson | Daughter | — | 8 | ~1932 |
| Daniel Johnson | Head | — | 30 | ~1910 |
| Daniel Johnson | Son | — | 10 | ~1930 |
| Phillip Johnson | Son | — | 2 | ~1938 |
| Alfred Johnson | Son | — | 3 | ~1937 |
| Joseph Johnson | Son | — | 12 | ~1928 |
| Inez Johnson | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Calvert, Maryland
Other, age
Calvert, Maryland · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Daniel L |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Calvert-County, Maryland
Son, age 10
Calvert-County, Maryland · implied b. ~1930 — 11 household members
| Surname | Johnson |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Calvert |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| 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 Daniel Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Daniel Johnson
Son · 1940 · age 10 · b. ~1930 · Maryland
★ You are viewing this record
Sibling
Anna Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cleo Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Johnson
Sibling · 1940 · age 6
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 — Calvert-County, Maryland
Open full size
1940 US Federal Census — Calvert-County, Maryland
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01543-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beatrice G. | 19 | Daughter | — | Maryland |
| 42 | Carnal T. G. | 16 | Son | Laborer | Maryland |
| 43 | Flora M. G. | 13 | Daughter | — | Maryland |
| 44 | Daniel G. | 10 | Son | — | Maryland |
| 45 | Doris J. G. | 8 | Daughter | — | Maryland |
| 50 | Oscar W. Lecky | 32 | Head | Clerical Laborer | Maryland |
| 51 | Virgie B. Lecky | 28 | Wife | — | Maryland |
| 52 | Oscar W. Lecky | 6 | Son | — | Maryland |
| 53 | Virgie E. Lecky | 2 | Daughter | — | Maryland |
| 54 | James E. Lecky | 56 | Head | Merchant | Maryland |
| 55 | Liela J. Lecky | 58 | Wife | — | Maryland |
| 56 | Cooke Lecky | 23 | Son | Truck Driver | Maryland |
| 57 | James Buck | 69 | Head | Teamster | Maryland |
| 58 | Annie Buck | 63 | Wife | — | Maryland |
| 59 | William Harper | 65 | Boarder | — | Maryland |
| 60 | Austin Bowen | 50 | Head | Pantryman | Maryland |
| 61 | Mary F. Bowen | 55 | Wife | — | Maryland |
| 62 | Rosetta Bowen | 17 | Daughter | — | Maryland |
| 63 | Eugenia Bowen | 14 | Daughter | — | Maryland |
| 64 | Daniel Johnson | 30 | Head | Waterman | Maryland |
| 65 | Inez Johnson | 29 | Wife | — | Maryland |
| 66 | Joseph Johnson | 12 | Son | — | Maryland |
| 67 | Daniel Johnson THIS PERSON | 10 | Son | — | Maryland |
| 68 | Anna Johnson | 8 | Daughter | — | Maryland |
| 69 | Irene Johnson | 7 | Daughter | — | Maryland |
| 70 | Ellen Johnson | 6 | Daughter | — | Maryland |
| 71 | Cleo Johnson | 5 | Daughter | — | Maryland |
| 72 | Alfred Johnson | 3 | Son | — | Maryland |
| 73 | Phillip Johnson | 2 | Son | — | Maryland |
| 74 | Mary Ellen Johnson | 0 | Daughter | — | Maryland |
| 75 | John C. Janey | 58 | Head | Caulker | Maryland |
| 76 | Virginia A. Janey | 37 | Wife | — | Pa |
| 77 | Phyllis Janey | 16 | Daughter | — | Maryland |
| 78 | Jane Janey | 12 | Daughter | — | Maryland |
| 79 | Marguerite Janey | 10 | Daughter | — | Maryland |
| 80 | Louis Janey | 9 | Son | — | Maryland |
Related Census Records
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)