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John Simms — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Prince Georges, Maryland
Our Model Tree links this John Simms across the 1930 and 1940 US Censuses in Prince Georges, Maryland (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 14-person household.
Age 25
b. ~1905
Male
Son
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Prince Georges, Maryland |
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Day Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Upper Marlboro |
| Est. Birth Year | ~1905 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Howard Simms | Son | — | 2 | ~1928 |
| Mary Simms | Other | — | 45 | ~1885 |
| Karl Simms | Son | — | 22 | ~1908 |
| Robert Simms | Head | — | 48 | ~1882 |
| Inez Simms | Daughter | — | 10 | ~1920 |
| Beatrice Simms | Daughter | — | 8 | ~1922 |
| Wilmer Simms | Son | — | 13 | ~1917 |
| Elizabeth Simms | Other | — | 19 | ~1911 |
| John Simms | Son | — | 25 | ~1905 |
| Earney Simms | Son | — | 6 | ~1924 |
| Mildred Simms | Daughter | — | 15 | ~1915 |
| Hattie Simms | Daughter | — | 4 | ~1926 |
| Henry Simms | Son | — | 19 | ~1911 |
| Elizabeth Simms | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Prince Georges, …
Son, age 25
Prince Georges, Maryland · implied b. ~1905 — 14 household members
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Day Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Other, age 35
Anne-Arundel-County, Maryland · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | Johnnie |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Annapolis |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Laborer |
| Industry | Retail Coal Yard |
| Class of Worker | PW |
| Income (1939) | 520 |
| Highest Grade | No 3 |
| 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 John Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Simms
Son · 1930 · age 25 · b. ~1905 · Maryland
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Sibling
Beatrice Simms
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Simms
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earney Simms
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Simms
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Simms
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Simms
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Simms
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilmer Simms
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Karl Simms
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Simms
Sibling · 1930 · age 4
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
1930 US Federal Census — Prince Georges, Maryland
Open full size
1930 US Federal Census — Prince Georges, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus878unit:0159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Catterton | 30 | Head | Farmer | Maryland |
| 2 | Lura Catterton | 31 | Wife-H | Housewife | Maryland |
| 3 | Gladys Catterton | 9 | Daughter | — | Maryland |
| 4 | Dorothy Catterton | 8 | Daughter | — | Maryland |
| 5 | Earl Mcdaniel | 19 | Boarder | Day Laborer | Maryland |
| 6 | Melvin Wince | 13 | Asst | — | Maryland |
| 7 | John Wedge | 38 | Head | Day Laborer | Maryland |
| 8 | Sarah Wedge | 37 | Wife-H | Servant | Maryland |
| 9 | John Wedge | 11 | Son | — | Maryland |
| 10 | Gladys Wedge | 8 | Daughter | — | Maryland |
| 11 | Frankie Wedge | 5 | Son | — | Maryland |
| 12 | Catherine Wedge | 3 | Daughter | — | Maryland |
| 13 | Sarah Wedge | 0 | Daughter | — | Maryland |
| 14 | Helen Hague | 19 | Step-Daughter | Servant | Maryland |
| 15 | James Hague | 15 | Step-Son | — | Maryland |
| 16 | Robert Hague | 13 | Step-Son | — | Maryland |
| 17 | Clement Jones | 47 | Head | Farmer | Maryland |
| 18 | Gertrude Jones | 45 | Wife-H | Housewife | Maryland |
| 19 | Juanita Jones | 16 | Daughter | — | Maryland |
| 20 | Ellsworth Jones | 14 | Son | — | Maryland |
| 21 | Golden Jones | 12 | Son | — | Maryland |
| 22 | Milton Jones | 11 | Son | — | Maryland |
| 23 | Alice Jones | 10 | Daughter | — | Maryland |
| 24 | Raymond Jones | 2 | Son | — | Maryland |
| 25 | Lee Cordell | 55 | Head | Day Laborer | Maryland |
| 26 | Charles A Duvall | 64 | Head | Farmer | Maryland |
| 27 | Mary J Duvall | 65 | Wife-H | Housewife | Virginia |
| 28 | Lucille Duvall | 31 | Daughter | Helper-House | Maryland |
| 29 | Robert Simms | 48 | Head | Farmer | Maryland |
| 30 | Mary Simms | 45 | Wife-H | Housewife | Maryland |
| 31 | John Simms THIS PERSON | 25 | Son | Day Laborer | Maryland |
| 32 | Karl Simms | 22 | Son | Day Laborer | Maryland |
| 33 | Henry Simms | 19 | Son | Day Laborer | Maryland |
| 34 | Mildred Simms | 15 | Daughter | — | Maryland |
| 35 | Wilmer Simms | 13 | Son | — | Maryland |
| 36 | Inez Simms | 10 | Daughter | — | Maryland |
| 37 | Beatrice Simms | 8 | Daughter | — | Maryland |
| 38 | Earney Simms | 6 | Son | — | Maryland |
| 39 | Elizabeth Simms | 5 | Daughter | — | Maryland |
| 40 | Hattie Simms | 4 | Daughter | — | Maryland |
| 41 | Howard Simms | 2 | Son | — | Maryland |
| 42 | Elizabeth Simms | 19 | Daughter-in-law | Servant | Maryland |
| 43 | Bernard Wyvill | 30 | Head | Carpenter | Maryland |
| 44 | Gladys Wyvill | 27 | Wife-H | Housewife | Maryland |
| 45 | Doris Wyvill | 1 | Daughter | — | Maryland |
| 46 | Joseph W Ridgely | 38 | Head | Contractor | Maryland |
| 47 | Rachel Ridgely | 32 | Wife-H | Housewife | Maryland |
| 48 | Joseph Ridgely | 10 | Son | — | Maryland |
| 49 | William Ridgely | 8 | Son | — | Maryland |
| 50 | Harold B Ridgely | 6 | Son | — | Maryland |
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)