RJ
Raymond Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Maryland
Our Model Tree links this Raymond Johnson across the 1900, 1910, 1920 and 1930 US Censuses in Montgomery, Maryland (XGBoost, ~Confirmed), with identified parents George & Mary — first a head (b.~1897), then head of a 3-person household.
Age 33
b. ~1897
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Maryland |
| Surname | Johnson |
| Given Name | Raymond |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Olney District Part Of |
| Est. Birth Year | ~1897 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Raymond | Age | Birth yr |
|---|---|---|---|---|
| Raymond Johnson | Head | — | 33 | ~1897 |
| Mary Johnson | Other | — | 25 | ~1905 |
| William Johnson | Son | — | ~1930 |
Census Appearances
1900
Montgomery, Maryland
Son, age 3
Montgomery, Maryland · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Aug |
| Birth Year | 1897 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Montgomery, Maryland
Son, age 14
Montgomery, Maryland · implied b. ~1896 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Raymond L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Montgomery, Maryland
Head, age 23
Montgomery, Maryland · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Raymond |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Montgomery, Maryland
Head, age 33
Montgomery, Maryland · implied b. ~1897 — 3 household members
| Surname | Johnson |
| Given Name | Raymond |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| 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 Raymond Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in Montgomery, Maryland, using XGBoost record linkage. Identified parents: father George Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and father Floyd Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Johnson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1858
Source mother
● Household
· direct · ~0.92
Father
Floyd Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Raymond Johnson
Head · 1930 · age 33 · b. ~1897 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Montgomery, Maryland
Open full size
1930 US Federal Census — Montgomery, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus876unit:0981)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Raymond Johnson THIS PERSON | 33 | Head | Laborer | Maryland |
| 52 | Mary L. Johnson | 25 | Wife-H | Cook | Maryland |
| 53 | William F. Johnson | 0 | Son | — | Maryland |
| 54 | Grace W. Burton | 54 | Head | — | Virginia |
| 55 | Joseph Lomax | 47 | Head | Manager | District of Columbia |
| 56 | Emanuel Lomax | 44 | Brother | Laborer | District of Columbia |
| 57 | Emma J. Washington | 64 | Aunt-H | Laborer | Virginia |
| 58 | James Jones | 48 | Head | — | District of Columbia |
| 59 | Mary B. Jones | 42 | Wife-H | Laborer | District of Columbia |
| 60 | Ethel M. Jones | 24 | Daughter | — | District of Columbia |
| 61 | Emma M. Wilson | 6 | Niece | Cook | Maryland |
| 62 | Mack Washington | 30 | Head | — | Virginia |
| 63 | Margaret S. Washington | 21 | Wife-H | Manager | Maryland |
| 64 | Raymond H. Washington | 7 | Son | — | District of Columbia |
| 65 | Cherie V. Carroll | 56 | Head | — | Maryland |
| 66 | Mary V. Carroll | 28 | Daughter | — | Maryland |
| 67 | James E. Johnson | 51 | Head | Teacher | Maryland |
| 68 | Ada R. Johnson | 42 | Wife-H | Laborer | Maryland |
| 69 | Walter A. Duckworth | 41 | Head | Dairy Worker | Maryland |
| 70 | Alice S. Duckworth | 32 | Wife-H | Laborer | Maryland |
| 71 | Alfred R. Jr. Duckworth | 12 | Son | — | Maryland |
| 72 | Hester N. Duckworth | 10 | Daughter | — | Maryland |
| 73 | Deborah G. Duckworth | 8 | Daughter | — | Maryland |
| 74 | Woodrow S. Duckworth | 6 | Son | — | Maryland |
| 75 | Robert E. Duckworth | 5 | Son | — | Maryland |
| 76 | Leon G. Duckworth | 4 | Son | — | Maryland |
| 77 | Phyllis A. Duckworth | 2 | Daughter | — | Maryland |
| 78 | Joseph A. Hill | 76 | Head | Farmer | Maryland |
| 79 | Sallie R. Hill | 62 | Wife-H | — | Maryland |
| 80 | Clarence Jackson | 18 | Adopted son | — | Maryland |
| 81 | William Moore | 38 | Head | Manager | Virginia |
| 82 | Irene Moore | 28 | Wife-H | — | Virginia |
| 83 | Catherine J. Moore | 14 | Daughter | — | District of Columbia |
| 84 | Earl Moore | 11 | Son | — | District of Columbia |
| 85 | Arthur C. Jr. Moore | 10 | Son | — | District of Columbia |
| 86 | William S. Moore | 8 | Son | — | Virginia |
| 87 | Howard L. Moore | 6 | Son | — | Virginia |
| 88 | Alphonso Moore | 3 | Son | — | Virginia |
| 89 | Robert G. Nicholson | 35 | Head | Laborer | Maryland |
| 90 | Helen C. Nicholson | 26 | Wife-H | — | Maryland |
| 91 | Edna V. Nicholson | 3 | Daughter | — | Maryland |
| 92 | Robert G. Jr. Nicholson | 1 | Son | — | Maryland |
| 93 | Jesse Connor | 41 | Head | Manager | Ohio |
| 94 | Thelma L. Connor | 40 | Wife-H | — | Ohio |
| 95 | Eugene P. Connor | 16 | Son | — | Ohio |
| 96 | Barbara J. Connor | 8 | Daughter | — | Maryland |
| 97 | James B. Williams | 54 | Head | Manager | Maryland |
| 98 | Harry C. Williams | 26 | Son | Laborer | Maryland |
| 99 | Edward M. Williams | 13 | Son | Helper | Maryland |
| 100 | Emma J. Williams | 12 | Daughter | — | Maryland |
Pedigree Summary
Raymond
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)