JG
John Gray — 1920 US Census Record
Model Tree available1920 United States Federal Census · Calvert, Maryland
Our Model Tree links this John Gray across the 1900, 1910 and 1920 US Censuses in Calvert, Maryland (XGBoost, ~Confirmed), with identified parents Benny & John — first a son (b.~1894), then head of a 9-person household.
Age 26
b. ~1894
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Calvert, Maryland |
| Surname | Gray |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | St Leonard |
| Est. Birth Year | ~1894 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Cassie Gray | Daughter | — | 15 | ~1905 |
| David Gray | Head | — | 60 | ~1860 |
| Mary Gray | Other | — | 4 | ~1916 |
| Emma Gray | Other | — | 3 | ~1917 |
| Ida Gray | Other | — | 24 | ~1896 |
| Annie Gray | Other | — | 1 | ~1919 |
| John Gray | Son | — | 26 | ~1894 |
| Harvey Gray | Son | — | 28 | ~1892 |
| Emma Gray | Spouse | — | 57 | ~1863 |
Census Appearances
1900
Calvert, Maryland
Son, age 7
Calvert, Maryland · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Nov |
| Birth Year | 1893 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Calvert, Maryland
Son, age 16
Calvert, Maryland · implied b. ~1894 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Calvert, Maryland
Son, age 26
Calvert, Maryland · implied b. ~1894 — 9 household members
| Surname | Gray |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Gray across 3 US Census years (1900, 1910 and 1920) in Calvert, Maryland, using XGBoost record linkage. Identified parents: father Benny Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Harriet Gray (~0.92 confidence) and father David Gray (~0.92 confidence) and mother Kate Gray (~0.92 confidence) and mother Emma Gray (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benny Gray
b. ~1839
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Harriet Gray
b. ~1858
Source mother
● Household
· direct · ~0.92
Father
David Gray
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Kate Gray
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Emma Gray
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gray
Son · 1920 · age 26 · b. ~1894 · Maryland
★ You are viewing this record
Sibling
Cassie Gray
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Gray
Sibling · 1920 · age 28
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
1920 US Federal Census — Calvert, Maryland
Open full size
1920 US Federal Census — Calvert, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu654unit:0383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harrison C. Long | 57 | Head | Retail Merchant | Maryland |
| 2 | Kathryn A. Long | 35 | Wife | — | Maryland |
| 3 | Kathryn A. Long | 0 | Daughter | — | Maryland |
| 4 | Hilda T. Brooks | 34 | Head | Farmer | Maryland |
| 5 | Mamie R. Brooks | 30 | Wife | — | Maryland |
| 6 | John H. Diggs | 51 | Head | Farmer | Maryland |
| 7 | Louisa Diggs | 58 | Mother | — | Maryland |
| 8 | Thomas H. Diggs | 26 | Brother | Farmer | Maryland |
| 9 | Georgia Diggs | 17 | Sister | Servant | Maryland |
| 10 | Hayes Boyd | 45 | Head | Farmer | Virginia |
| 11 | Henrietta Boyd | 34 | Wife | — | Maryland |
| 12 | Hayes S. Boyd | 1 | Son | — | Maryland |
| 13 | Annie White | 70 | Mother-in-law | — | Maryland |
| 14 | Annie Johnson | 56 | Head | — | Maryland |
| 15 | James H. Diggs | 37 | Head | Farmer | Maryland |
| 16 | Eliza J. Diggs | 28 | Wife | — | Maryland |
| 17 | James L. Diggs | 10 | Son | — | Maryland |
| 18 | John L. Diggs | 8 | Son | — | Maryland |
| 19 | Byron J. Bond | 71 | Head | Farmer | Maryland |
| 20 | Ella C. Bond | 40 | Daughter | Teacher | Maryland |
| 21 | Madeline T. Bond | 27 | Daughter | Teacher | Maryland |
| 22 | David D. Gray | 60 | Head | Farmer | Maryland |
| 23 | Emma A. Gray | 57 | Wife | — | Maryland |
| 24 | Harvey L. Gray | 28 | Son | Laborer | Maryland |
| 25 | John L. Gray THIS PERSON | 26 | Son | — | Maryland |
| 26 | Cassie L. Gray | 15 | Daughter | — | Maryland |
| 27 | Ida G. Gray | 24 | Daughter-in-law | — | Maryland |
| 28 | Mary S. Gray | 4 | Granddaughter | — | Maryland |
| 29 | Emma C. Gray | 3 | Granddaughter | — | Maryland |
| 30 | Annie V. Gray | 1 | Granddaughter | — | Maryland |
| 31 | Edward E. Wood | 39 | Head | Farmer | Maryland |
| 32 | Katie L. Wood | 35 | Wife | — | Maryland |
| 33 | Edward R. Wood | 10 | Son | — | Maryland |
| 34 | Bertie L. Wood | 8 | Daughter | — | Maryland |
| 35 | Ray L. Wood | 5 | Son | — | Maryland |
| 36 | Marie Wood | 2 | Daughter | — | Maryland |
| 37 | Kathleen Wood | 0 | Daughter | — | Maryland |
| 38 | Norman L. Gray | 31 | Head | Carpenter | Maryland |
| 39 | Rosie L. Gray | 27 | Wife | — | Maryland |
| 40 | Thelma E. Gray | 7 | Daughter | — | Maryland |
| 41 | David A. Gray | 5 | Son | — | Maryland |
| 42 | Henrietta A. Gray | 3 | Daughter | — | Maryland |
| 43 | Augustus M. Gray | 2 | Daughter | — | Maryland |
| 44 | Dorothy M. Gray | 0 | Daughter | — | Maryland |
| 45 | Herbert T. Howes | 32 | Head | Fisherman | Maryland |
| 46 | Minnie L. Howes | 22 | Wife | — | Maryland |
| 47 | Carrie E. Howes | 3 | Daughter | — | Maryland |
| 48 | William H. Williams | 54 | Head | Carpenter | Maryland |
| 49 | Jennie L. Williams | 41 | Wife | Teacher | Maryland |
| 50 | Dean D. Williams | 23 | Son | Laborer | Maryland |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)