JM
James Monroe — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Prince William, Virginia
Our Model Tree links this James Monroe across the 1930 and 1940 US Censuses in Prince William, Virginia (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 5
b. ~1925
Male
Son
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Prince William, Virginia |
| Surname | Monroe |
| Given Name | James G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Manassas District |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Wallace Monroe | Head | — | 39 | ~1891 |
| John Monroe | Son | — | 9 | ~1921 |
| Basford Monroe | Son | — | 5 | ~1925 |
| Grace Monroe | Other | — | 40 | ~1890 |
| Rebecca Monroe | Daughter | — | 12 | ~1918 |
| James Monroe | Son | — | 5 | ~1925 |
| Catherine Monroe | Daughter | — | 8 | ~1922 |
| Franklin Monroe | Son | — | 7 | ~1923 |
| Margaret Monroe | Daughter | — | 3 | ~1927 |
Census Appearances
1930
Prince William, …
Son, age 5
Prince William, Virginia · implied b. ~1925 — 9 household members
| Surname | Monroe |
| Given Name | James G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Prince-William-County, Virginia
Son, age 15
Prince-William-County, Virginia · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Monroe |
| Given Name | Jasper |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Prince William |
| Highest Grade | No 5 |
| 1935 Residence | Virginia |
| 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 James Monroe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Monroe
Son · 1930 · age 5 · b. ~1925 · Virginia
★ You are viewing this record
Sibling
Margaret Monroe
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Monroe
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Monroe
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Monroe
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Basford Monroe
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Monroe
Sibling · 1930 · age 8
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 William, Virginia
Open full size
1930 US Federal Census — Prince William, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2456unit:0803)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Howard W. Wells | 9 | son | None | Virginia |
| 52 | Raymond C. Wells | 5 | son | None | Virginia |
| 53 | Helen E. Wells | 3 | daughter | None | Virginia |
| 54 | Wallace M. Monroe | 39 | Head | Farmer | Virginia |
| 55 | Grace B. Monroe | 40 | wife-H | None | Kansas |
| 56 | Rebecca A. Monroe | 12 | daughter | None | Virginia |
| 57 | John M. Monroe | 9 | son | None | Virginia |
| 58 | Catherine Monroe | 8 | daughter | None | Virginia |
| 59 | Franklin M. Monroe | 7 | son | None | Virginia |
| 60 | James G. Monroe THIS PERSON | 5 | son | None | Virginia |
| 61 | Basford Monroe | 5 | son | None | Virginia |
| 62 | Margaret T. Monroe | 3 | daughter | None | Virginia |
| 63 | William Randolph | 49 | Head | Farmer | Virginia |
| 64 | Bertha Randolph | 57 | wife-H | None | Virginia |
| 65 | Mary F. Crosby | 70 | Head | None | Pennsylvania |
| 66 | William Crosby | 76 | husband | None | Virginia |
| 67 | Russell Bradford | 19 | grandson | Laborer | Virginia |
| 68 | Lester G. Nicholson | 44 | Head | Laborer | Virginia |
| 69 | Martha Nicholson | 41 | wife-H | None | Virginia |
| 70 | Effie Nicholson | 22 | daughter | Maid | Virginia |
| 71 | Alvin G. Nicholson | 18 | son | Laborer | Virginia |
| 72 | Paul A. Nicholson | 15 | son | Laborer | Maryland |
| 73 | Beulah V. Nicholson | 11 | daughter | None | Virginia |
| 74 | John H. Nicholson | 9 | son | None | Virginia |
| 75 | Clyde G. Nicholson | 7 | son | None | Virginia |
| 76 | Edward Nicholson | 3 | son | None | Virginia |
| 77 | Edward G. Nicholson | 3 | son | None | Virginia |
| 78 | Joyce K. Nicholson | 1 | daughter | None | Virginia |
| 79 | Andrew Gaskins | 48 | Head | Laborer | Virginia |
| 80 | Susie Gaskins | 46 | wife-H | None | Virginia |
| 81 | Luther P. Gaskins | 22 | son | Mechanic | Virginia |
| 82 | Janie Gaskins | 19 | daughter | None | Virginia |
| 83 | Robert E. Jackson | 24 | Head | Plumber | Virginia |
| 84 | Edna Jackson | 21 | wife-H | None | Virginia |
| 85 | Dorothy L. Jackson | 1 | daughter | None | Virginia |
| 86 | John T. Jefferson | 32 | Head | Laborer | Virginia |
| 87 | Lottie M. Jefferson | 31 | wife-H | None | Virginia |
| 88 | Hazel B. Jefferson | 8 | daughter | None | Virginia |
| 89 | Dorothy L. Jefferson | 7 | daughter | None | Virginia |
| 90 | Lottie M. Jefferson | 4 | daughter | None | Virginia |
| 91 | Buckley L. Jefferson | 2 | son | None | Virginia |
| 92 | Leonard S. Shaver | 38 | Head | Laborer | Virginia |
| 93 | Margaret Shaver | 33 | wife-H | None | Virginia |
| 94 | Agnes W. Shaver | 19 | daughter | None | Virginia |
| 95 | Albert H. Roseberry | 49 | Head | Farm Manager | New Jersey |
| 96 | Katherine Roseberry | 38 | wife-H | None | Virginia |
| 97 | Mary P. Roseberry | 19 | daughter | None | New Jersey |
| 98 | John H. Roseberry | 16 | son | None | Virginia |
| 99 | Edward K. Roseberry | 13 | son | None | Virginia |
| 100 | Mildred V. Roseberry | 10 | daughter | None | 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)