MS
Mary Simms — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, District of Columbia
Our Model Tree links this Mary Simms across the 1930 and 1940 US Censuses in District of Columbia (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 10-person household.
Age 30
b. ~1900
Female
Spouse
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, District of Columbia |
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 17 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Washington City |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Murphy | Other | — | 36 | ~1894 |
| John Simms | Son | — | 2 | ~1928 |
| Myrtle Simms | Daughter | — | 5 | ~1925 |
| Robert Simms | Son | — | 10 | ~1920 |
| Myrtle Woodson | Other | — | 14 | ~1916 |
| Mary Simms | Spouse | — | 30 | ~1900 |
| Mary Simms | Daughter | — | 8 | ~1922 |
| Edward Simms | Son | — | 4 | ~1926 |
| Robert Simms | Head | — | 38 | ~1892 |
| Freddy Simms | Son | — | 7 | ~1923 |
Census Appearances
1930
None, District …
Spouse, age 30
None, District of Columbia · implied b. ~1900 — 10 household members
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 17 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
District-Of-Columbia-County, District …
Spouse, age 41
District-Of-Columbia-County, District of Columbia · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Mary Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simms
Spouse · 1930 · age 30 · b. ~1900 · District of Columbia
★ 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 — None, District of Columbia
Open full size
1930 US Federal Census — None, District of Columbia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus292unit:0459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie M Scott | 54 | Head | Secretary | Ohio |
| 2 | Helen M Scott | 13 | Daughter | — | Ohio |
| 3 | Ella M Garrison | 55 | Lodger | Chef | Maryland |
| 4 | Mildred Washington | 23 | Lodger | Stenographer | Pennsylvania |
| 5 | Claudius Neal | 24 | Lodger | — | Mississippi |
| 6 | John Bell | 47 | Head | Porter | Georgia |
| 7 | Hessie Bell | 40 | Wife | Housework | Georgia |
| 8 | Sidney Lattisad | 26 | Son-in-law | Chauffeur | Maryland |
| 9 | Alice Lattisad | 22 | Daughter | — | Georgia |
| 10 | Edward Lattisad | 5 | Grandson | — | District of Columbia |
| 11 | Mildred Lattisad | 3 | Granddaughter | — | District of Columbia |
| 12 | Daniel Williams | 39 | Head | Laborer | Georgia |
| 13 | Lillian Williams | 28 | Wife | — | Michigan |
| 14 | Roger Clark | 48 | Head | Artist | District of Columbia |
| 15 | Rebecca Clark | 39 | Wife | Maid | District of Columbia |
| 16 | William C Clark | 19 | Son | — | District of Columbia |
| 17 | Olive Clark | 18 | Daughter | — | District of Columbia |
| 18 | Robert Johnson | 49 | Lodger | Blacksmith Helper | Virginia |
| 19 | Martha Johnson | 47 | Roomer | Maid | Virginia |
| 20 | Robert Simms | 49 | Head | Laborer | Virginia |
| 21 | Lena B Simms | 50 | Wife | — | Virginia |
| 22 | Robert H Simms | 38 | Head | Messenger | Arkansas |
| 23 | Mary Simms THIS PERSON | 30 | Wife | — | Virginia |
| 24 | Robert H Jr Simms | 10 | Son | — | District of Columbia |
| 25 | Mary M Simms | 8 | Daughter | — | District of Columbia |
| 26 | Freddy H Simms | 7 | Son | — | District of Columbia |
| 27 | Myrtle Simms | 5 | Daughter | — | District of Columbia |
| 28 | Edward Simms | 4 | Son | — | District of Columbia |
| 29 | John Simms | 2 | Son | — | District of Columbia |
| 30 | Myrtle Woodson | 14 | Sister-in-law | Chambermaid | Virginia |
| 31 | Martha Murphy | 36 | Roomer | Domestic | Virginia |
| 32 | Willie Washington | 26 | Head | Domestic | Virginia |
| 33 | Catherine Washington | 10 | Daughter | — | District of Columbia |
| 34 | Robert Washington | 6 | Son | — | District of Columbia |
| 35 | Martha Whitfield | 60 | Roomer | Laundress | Virginia |
| 36 | Julia Whitfield | 64 | Roomer | Housework | Virginia |
| 37 | Esther Tyler | 58 | Sister | Domestic | Virginia |
| 38 | Harry P Five | 33 | Head | Painter | North Carolina |
| 39 | Margaret Five | 30 | Wife | Stenographer | Pennsylvania |
| 40 | James Five | 20 | Brother | Runner | North Carolina |
| 41 | Glenn D Vineyard | 30 | Roomer | Carpenter | Indiana |
| 42 | John Metz | 29 | Head | Roads | Virginia |
| 43 | Lucinda M Metz | 20 | Wife | — | United States |
| 44 | Ralph Mallory | 22 | Head | Clerk | New York |
| 45 | Irene Mallory | 19 | Wife | Clerk | Massachusetts |
| 46 | Charles H Schwartz | 52 | Lodger | Dishwasher | Germany |
| 47 | Claude W Wasknight | 33 | Head | Saleslady | North Carolina |
| 48 | James P Wasknight | 11 | Son | — | North Carolina |
| 49 | Carl Petraman | 30 | Head | Manager | Kansas |
| 50 | Bessie Petraman | 21 | Wife | — | 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)