RC
Richard Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charles, Maryland
Our Model Tree links this Richard Clark across the 1920, 1930 and 1940 US Censuses in Charles, Maryland (XGBoost, ~Confirmed), with identified parents Andrew & M — first a son (b.~1918), then head of a 4-person household.
Age 12
b. ~1918
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Charles, Maryland |
| Surname | Clark |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | La Plata Town |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| De Clark | Head | — | 38 | ~1892 |
| Emily Carter | Other | — | 45 | ~1885 |
| Richard Clark | Son | — | 12 | ~1918 |
| M Clark | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Charles, Maryland
Son, age 2
Charles, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Richard R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| 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 |
1930
Charles, Maryland
Son, age 12
Charles, Maryland · implied b. ~1918 — 4 household members
| Surname | Clark |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Son, age 22
Charles-County, Maryland · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarks |
| Given Name | Richard R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | La Plata |
| 1935 Residence (County) | Charles |
| Occupation | Bookkeeper |
| Industry | Business Hunter |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 819 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| 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 Richard Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Clark (~0.92 confidence) and mother M Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and father De Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Clark
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
M Clark
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
De Clark
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Richard Clark
Son · 1930 · age 12 · b. ~1918 · 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 — Charles, Maryland
Open full size
1930 US Federal Census — Charles, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus872unit:0784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorothy E Farrell | 9 | Daughter | — | Dist. Columbia |
| 52 | John M Farrell | 6 | Daughter | — | Dist. Columbia |
| 53 | Ralph M Lacey | 39 | Head | Engineer | Dist. Columbia |
| 54 | Lacey | 27 | Wife | — | Maryland |
| 55 | Lacey | 11 | Son | — | Maryland |
| 56 | Lacey | 10 | Daughter | — | Maryland |
| 57 | Lacey | 8 | Daughter | — | Maryland |
| 58 | Lacey | 2 | Daughter | — | Dist. Columbia |
| 59 | Lacey | 40 | Boarder | Salesman | Maryland |
| 60 | Lawrence Mcquade | 28 | Boarder | Salesman | Dist. Columbia |
| 61 | Mcquade | 22 | Boarder | Servant | Maryland |
| 62 | De Jack Clark | 38 | Head | Bookkeeper | Maryland |
| 63 | M. Louise Clark | 40 | Wife | — | Maryland |
| 64 | Richard Clark THIS PERSON | 12 | Son | — | Maryland |
| 65 | Clark | 10 | Son | — | Maryland |
| 66 | Clark | 6 | Daughter | — | Maryland |
| 67 | Clark | 2 | Daughter | — | Maryland |
| 68 | Emily Carter | 45 | Servant | Servant | Maryland |
| 69 | Cochran | 65 | Head | Proprietor | Maryland |
| 70 | Rebecca K Cochran | 61 | Wife | — | Delaware |
| 71 | Ethel L Cochran | 41 | Daughter | Clerk | Maryland |
| 72 | Catherine Cochran | 11 | Daughter | — | Delaware |
| 73 | John S Humbert | 59 | Sister | — | Maryland |
| 74 | Milton M Simmons | 31 | Head | Operator | Maryland |
| 75 | Ethel O Simmons | 27 | Wife | Secretary | Maryland |
| 76 | Clinton M Kelley | 27 | Head | Plumber | Virginia |
| 77 | Elsie M Kelley | 25 | Wife | — | Maryland |
| 78 | Margaret Kelley | 5 | Daughter | — | Maryland |
| 79 | Kelley | 2 | Daughter | — | Maryland |
| 80 | Allen Slagle | 42 | Head | Salesman | Maryland |
| 81 | Slagle | 39 | Wife | — | Maryland |
| 82 | Slagle | 14 | Son | — | Maryland |
| 83 | Robert C Clinch | 36 | Head | Foreman | Maryland |
| 84 | Clinch | 52 | Wife | — | West Virginia |
| 85 | Clinch | 10 | Daughter | — | Maryland |
| 86 | Eugene J Mudd | 36 | Head | Clerk | Maryland |
| 87 | Mudd | 30 | Wife | — | Maryland |
| 88 | Mudd | 8 | Daughter | — | Maryland |
| 89 | Mudd | 5 | Daughter | — | Maryland |
| 90 | Mudd | 1 | Son | — | Dist. Columbia |
| 91 | C. Allen Padgett | 71 | Head | — | Maryland |
| 92 | Robert L Padgett | 43 | Son | Carpenter | Maryland |
| 93 | Padgett | 45 | Daughter | — | Maryland |
| 94 | Padgett | 35 | Daughter | Salesman | Maryland |
| 95 | Padgett | 19 | Son | — | Maryland |
| 96 | Maud Martin | 52 | Boarder | — | Maryland |
| 97 | Jacob F Jones | 37 | Head | Veterinarian | Pennsylvania |
| 98 | Jones | 31 | Wife | — | Alabama |
| 99 | Jones | 4 | Daughter | — | Georgia |
| 100 | Jones | 2 | Daughter | — | Maryland |
Pedigree Summary
Richard
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)