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John Simms — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Loudoun, Virginia
Our Model Tree links this John Simms across the 1930 and 1940 US Censuses in Loudoun, Virginia (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 7-person household.
Age 30
b. ~1900
Male
Head
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Loudoun, Virginia |
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Dist. of Columbia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Track man |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Track Man |
| Township / Ward | Leesburg Mag District |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ellen Simms | Other | — | 75 | ~1855 |
| Richard Simms | Son | — | 15 | ~1915 |
| Lola Simms | Daughter | — | 3 | ~1927 |
| Berta Simms | Spouse | — | 18 | ~1912 |
| James Simms | Son | — | 4 | ~1926 |
| John Simms | Head | — | 30 | ~1900 |
| Hattie Simms | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Loudoun, Virginia
Head, age 30
Loudoun, Virginia · implied b. ~1900 — 7 household members
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Dist. of Columbia |
| Mother's Birthplace | Virginia |
| Occupation | Track man |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Loudoun-County, Virginia
Son, age 40
Loudoun-County, Virginia · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Leesburg M District |
| 1935 Residence (County) | Loudoun |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 324 |
| Highest Grade | No 0 |
| 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 John Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Simms
Head · 1930 · age 30 · b. ~1900 · Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Loudoun, Virginia
Open full size
1930 US Federal Census — Loudoun, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2448unit:0879)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Herbert | 14 | Relative | — | Virginia |
| 52 | Edward | 14 | Relative | — | Virginia |
| 53 | Ruth | 11 | Relative | — | Virginia |
| 54 | Lettie | 9 | Relative | — | Virginia |
| 55 | Eliza | 7 | Relative | — | Virginia |
| 56 | Mary | 1 | Relative | — | Virginia |
| 57 | John Simms THIS PERSON | 30 | Head | Track Man | Virginia |
| 58 | Berta Simms | 18 | Wife | — | Virginia |
| 59 | Richard Simms | 15 | Son | — | Virginia |
| 60 | James T Simms | 4 | Son | — | Virginia |
| 61 | Lola G Simms | 3 | Daughter | — | Virginia |
| 62 | Hattie L Simms | 13 | Daughter | — | Virginia |
| 63 | Ellen Simms | 75 | Mother | — | Virginia |
| 64 | Edgar C Ley | 56 | Head | Carpenter | Virginia |
| 65 | Ellen J Ley | 47 | Wife | — | Maryland |
| 66 | Fred Deahl | 27 | Head | Clerk | Virginia |
| 67 | Irene Deahl | 27 | Wife | — | Virginia |
| 68 | Lester L Curran | 43 | Head | Painter | Virginia |
| 69 | Ethel Curran | 40 | Wife | — | Virginia |
| 70 | Harry Curran | 14 | Son | — | Virginia |
| 71 | Jerry Curran | 13 | Son | — | Virginia |
| 72 | Lester Curran | 12 | Son | — | Virginia |
| 73 | Ora Curran | 10 | Daughter | — | Virginia |
| 74 | Lola Curran | 8 | Daughter | — | Virginia |
| 75 | Lillian Curran | 6 | Daughter | — | Virginia |
| 76 | Lester Curran | 4 | Son | — | Virginia |
| 77 | Isaac Derflinger | 52 | Head | Farmer | Virginia |
| 78 | Pearl Derflinger | 46 | Wife | — | Virginia |
| 79 | Eloise Derflinger | 21 | Daughter | — | Virginia |
| 80 | Claud Derflinger | 17 | Son | Laborer | Virginia |
| 81 | Agnes Derflinger | 17 | Daughter | — | Virginia |
| 82 | Jessie Derflinger | 12 | Daughter | — | Virginia |
| 83 | Russell Derflinger | 9 | Son | — | Virginia |
| 84 | Theodore Derflinger | 4 | Grand-son | — | Virginia |
| 85 | Addie Carper | 57 | Head | Farmer | Virginia |
| 86 | William Carper | 34 | Son | Painter | Virginia |
| 87 | George Carper | 28 | Son | Laborer | Virginia |
| 88 | Clarence Carper | 23 | Son | Track Man | Virginia |
| 89 | Maurice Carper | 19 | Son | — | Virginia |
| 90 | William Curtis | 9 | Grand-son | — | Virginia |
| 91 | Claude Sloane | 28 | Head | — | Virginia |
| 92 | Marie Sloane | 25 | Wife | Track Man | Virginia |
| 93 | Charles J Ley | 65 | Head | — | Virginia |
| 94 | Maggie A Underwood | 68 | Sister | Farmer | Virginia |
| 95 | Mollie Ley | 63 | Sister | — | Virginia |
| 96 | Ode Fry | 47 | Head | Laborer | Virginia |
| 97 | Virgie Fry | 38 | Wife | — | Virginia |
| 98 | Roy Fry | 20 | Son | Laborer | Virginia |
| 99 | Lola Fry | 19 | Daughter | — | Virginia |
| 100 | Bernice Fry | 17 | Daughter | Laundress | Virginia |
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)