JG
Joseph Gray — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Anne Arundel, Maryland
Our Model Tree links this Joseph Gray across the 1930 and 1940 US Censuses in Anne Arundel, Maryland (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.
Age 15
b. ~1915
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Anne Arundel, Maryland |
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 1 Sudley |
| Est. Birth Year | ~1915 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Gray | Spouse | — | 49 | ~1881 |
| Esther Gray | Daughter | — | 10 | ~1920 |
| Helen Gray | Daughter | — | 18 | ~1912 |
| Luther Gray | Son | — | 13 | ~1917 |
| George Gray | Head | — | 48 | ~1882 |
| Albert Gray | Son | — | 17 | ~1913 |
| Mildred Gray | Daughter | — | 12 | ~1918 |
| Joseph Gray | Son | — | 15 | ~1915 |
| Brevard Gray | Son | — | 8 | ~1922 |
Census Appearances
1930
Anne Arundel, …
Son, age 15
Anne Arundel, Maryland · implied b. ~1915 — 9 household members
| Surname | Gray |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Son, age 25
Anne-Arundel-County, Maryland · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grey |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Anne Arundel |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 22 |
| Highest Grade | No 4 |
| 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 Joseph Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Gray
Son · 1930 · age 15 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Albert Gray
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brevard Gray
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Gray
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Gray
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gray
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luther Gray
Sibling · 1930 · age 13
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 — Anne Arundel, Maryland
Open full size
1930 US Federal Census — Anne Arundel, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus844unit:1118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James H Parker | 80 | Head | Farm Hand | Maryland |
| 2 | Harry S Hardesty | 42 | Head | Farmer | Maryland |
| 3 | Blanche E Hardesty | 43 | Wife | — | Maryland |
| 4 | Merrill L Hardesty | 14 | Son | — | Maryland |
| 5 | Blanche E Hardesty | 9 | Daughter | — | Maryland |
| 6 | Thomas C Hardesty | 2 | Son | — | Maryland |
| 7 | Annie Owens | 51 | Head | Servant | Maryland |
| 8 | Alonza Gray | 67 | Head | Manager | Maryland |
| 9 | Edith A Gray | 26 | Daughter | — | Maryland |
| 10 | Ruby Gray | 23 | Son | Farmer | Maryland |
| 11 | George W Gray | 48 | Head | Farmer | Maryland |
| 12 | Mary E Gray | 49 | Wife | — | Maryland |
| 13 | Helen Gray | 18 | Daughter | — | Maryland |
| 14 | Albert Gray | 17 | Son | Helper | Maryland |
| 15 | Joseph Gray THIS PERSON | 15 | Son | — | Maryland |
| 16 | Luther Gray | 13 | Son | — | Maryland |
| 17 | Mildred Gray | 12 | Daughter | — | Maryland |
| 18 | Esther Gray | 10 | Daughter | — | Maryland |
| 19 | Brevard Gray | 8 | Son | — | Maryland |
| 20 | Paul O Hardesty | 40 | Head | Farmer | Maryland |
| 21 | Alice J Hardesty | 30 | Wife | — | Maryland |
| 22 | Martha E Hardesty | 10 | Daughter | — | Maryland |
| 23 | Flora A Hardesty | 8 | Daughter | — | Maryland |
| 24 | Oscar E Crandall | 38 | Head | Laborer | Maryland |
| 25 | Ellen S Crandall | 32 | Wife | — | Maryland |
| 26 | Frederick Hall | 51 | Head | Farmer | Maryland |
| 27 | Lydia J Sutton | 54 | Head | Manager | Maryland |
| 28 | Cora E Sutton | 23 | Daughter | — | Maryland |
| 29 | Webster H Sutton | 17 | Son | Laborer | Maryland |
| 30 | Norman C Sutton | 27 | Head | Laborer | Maryland |
| 31 | Sallie E Sutton | 24 | Wife | — | Maryland |
| 32 | Norma E Sutton | 1 | Daughter | — | Maryland |
| 33 | Wm H Mckenzie | 54 | Head | Laborer | Maryland |
| 34 | Cora W Mckenzie | 44 | Wife | — | Maryland |
| 35 | Herbert E Mckenzie | 19 | Son | Laborer | Maryland |
| 36 | James E Mckenzie | 16 | Son | Laborer | Maryland |
| 37 | John E Mckenzie | 15 | Son | Laborer | Maryland |
| 38 | Wm B Mckenzie | 12 | Son | — | Maryland |
| 39 | Iona E Mckenzie | 11 | Son | — | Maryland |
| 40 | Charles E Mckenzie | 10 | Son | — | Maryland |
| 41 | Gladys M Mckenzie | 7 | Daughter | — | Maryland |
| 42 | Louis H Mckenzie | 5 | Son | — | Maryland |
| 43 | Fred H Mckenzie | 2 | Son | — | Maryland |
| 44 | Ellsworth Mckenzie | 0 | Son | — | Maryland |
| 45 | Richard C King | 68 | Head | Farmer | Maryland |
| 46 | Fannie M King | 54 | Wife | — | Maryland |
| 47 | Alice M King | 22 | Daughter | — | Maryland |
| 48 | Kenneth D King | 17 | Son | Laborer | Maryland |
| 49 | Alvin King | 15 | Son | — | Maryland |
| 50 | Edward F King | 9 | 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)