CJ
Clarence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Anne-Arundel-County, Maryland
Our Model Tree links this Clarence Johnson across the 1920, 1930 and 1940 US Censuses in Anne-Arundel-County, Maryland (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1901), then head of a 8-person household.
Age 39
b. ~1901
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Anne-Arundel-County, Maryland |
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 3rd Election Dist. |
| 1935 Residence (County) | Anne Arundel |
| Additional Details | |
| Occupation | Laborer |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 302 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | 3Rd Election Dist |
| Est. Birth Year | ~1901 |
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 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Leona Johnson | Daughter | — | 1 | ~1939 |
| Dorothy Johnson | Daughter | — | 8 | ~1932 |
| Elva Johnson | Daughter | — | 6 | ~1934 |
| Clarence Johnson | Head | — | 39 | ~1901 |
| Raymond Johnson | Son | — | ~1940 | |
| Hilton Johnson | Son | — | 12 | ~1928 |
| Wilbert Johnson | Son | — | 4 | ~1936 |
| Verletter Johnson | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Anne Arundel, …
Son, age 20
Anne Arundel, Maryland · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Labour |
| Industry | Contract work |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Anne Arundel, …
Other, age 30
Anne Arundel, Maryland · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Head, age 39
Anne-Arundel-County, Maryland · implied b. ~1901 — 8 household members
| Surname | Johnson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 3rd Election Dist. |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Laborer |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 302 |
| Highest Grade | No 6 |
| 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 Clarence Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Johnson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Johnson
Head · 1940 · age 39 · b. ~1901 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Anne-Arundel-County, Maryland
Open full size
1940 US Federal Census — Anne-Arundel-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01501-00751)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Isiah Johnson | 14 | Grandson | — | Maryland |
| 42 | Naomi Johnson | 12 | Granddaughter | — | Maryland |
| 43 | Thomas M Johnson | 9 | Grandson | — | Maryland |
| 44 | Ruth Johnson | 8 | Granddaughter | — | Maryland |
| 45 | Queen E Hawkins | 20 | Daughter | Servant | Maryland |
| 46 | Richard Jr Hawkins | 3 | Grandson | — | Maryland |
| 47 | Dallas C Hawkins | 2 | Grandson | — | Maryland |
| 48 | Mary I Johnson | 17 | Granddaughter | New Worker | Maryland |
| 49 | Frances V Johnson | 15 | Granddaughter | — | Maryland |
| 50 | James S Johnson | 13 | Grandson | — | Maryland |
| 51 | Pearl A Hawkins | 16 | Granddaughter | — | Maryland |
| 52 | Abidore C Hunt | 13 | Granddaughter | — | Maryland |
| 53 | Lucille Hunt | 11 | Granddaughter | — | Maryland |
| 54 | Charles V Johnson | 1 | Grandson | — | Maryland |
| 55 | Dennis Harold | 48 | Head | Laborer | Virginia |
| 56 | Seron Harold | 47 | Wife | Servant | Maryland |
| 57 | Melvin Harold | 18 | Son | Laborer | Maryland |
| 58 | Dennis Jr Harold | 16 | Son | Laborer | Maryland |
| 59 | Violeta Harold | 12 | Daughter | — | Maryland |
| 60 | Veola Harold | 9 | Daughter | — | Maryland |
| 61 | Carl Harold | 7 | Son | — | Maryland |
| 62 | William Johnson | 54 | Head | Laborer | Maryland |
| 63 | Isiah Johnson | 26 | Son | Laborer | Maryland |
| 64 | Margaret Johnson | 20 | Daughter-in-law | — | Maryland |
| 65 | Alberta Johnson | 4 | Granddaughter | — | Maryland |
| 66 | Paul M Benner | 35 | Head | Musician | Ohio |
| 67 | Iris M Benner | 25 | Wife | Waitress | Maryland |
| 68 | Clarence Johnson THIS PERSON | 39 | Head | Laborer | Maryland |
| 69 | Verletter Johnson | 29 | Wife | — | Maryland |
| 70 | Hilton Johnson | 12 | Son | — | Maryland |
| 71 | Dorothy Johnson | 8 | Daughter | — | Maryland |
| 72 | Elva Evelyn Johnson | 6 | Daughter | — | Maryland |
| 73 | Wilbert Johnson | 4 | Son | — | Maryland |
| 74 | Leona Johnson | 1 | Daughter | — | Maryland |
| 75 | Raymond Johnson | 0 | Son | — | Maryland |
| 76 | Hellen A Hoffman | 63 | Head | Farmer | Maryland |
| 77 | Lawrence H Rombold | 43 | Son-in-law | Farmer | Maryland |
| 78 | Evelyn M Rombold | 32 | Daughter | — | Maryland |
| 79 | Dorothy M Rombold | 3 | Granddaughter | — | Maryland |
| 80 | Walter E Baughan | 58 | Lodger | Attendant | Illinois |
Pedigree Summary
Clarence
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)