JG
James Griffith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Harford, Maryland
Our Model Tree links this James Griffith across the 1930 and 1940 US Censuses in Harford, Maryland (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 12-person household.
Age 48
b. ~1882
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Harford, Maryland |
| Surname | Griffith |
| Given Name | James T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farm Laborer |
| Township / Ward | 2Nd Election District |
| Est. Birth Year | ~1882 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Woodrow Griffith | Son | — | 13 | ~1917 |
| Clara Griffith | Daughter | — | 8 | ~1922 |
| Cora Griffith | Daughter | — | 16 | ~1914 |
| Thelma Griffith | Daughter | — | 2 | ~1928 |
| Kathryn Griffith | Daughter | — | 4 | ~1926 |
| Calvin Griffith | Son | — | 6 | ~1924 |
| Margaret Gerhard | Other | — | 33 | ~1897 |
| Carrie Griffith | Other | — | 44 | ~1886 |
| Howard Griffith | Son | — | 18 | ~1912 |
| James Griffith | Head | — | 48 | ~1882 |
| Mary Griffith | Daughter | — | 10 | ~1920 |
| Walter Griffith | Son | — | ~1930 |
Census Appearances
1930
Harford, Maryland
Head, age 48
Harford, Maryland · implied b. ~1882 — 12 household members
| Surname | Griffith |
| Given Name | James T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Other, age 63
Harford-County, Maryland · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | James |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harford |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 76 |
| Income (1939) | 866 |
| Highest Grade | No 2 |
| 1935 Residence | Maryland |
| 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 James Griffith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Griffith
Head · 1930 · age 48 · b. ~1882 · Maryland
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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 — Harford, Maryland
Open full size
1930 US Federal Census — Harford, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus875unit:0719)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Johnson | 38 | Wife-H | Laundress | Maryland |
| 52 | Clara Johnson | 27 | Daughter | — | Maryland |
| 53 | Cornelia Johnson | 18 | Daughter | — | Maryland |
| 54 | Esther Johnson | 16 | Daughter | — | Maryland |
| 55 | James T. Griffith THIS PERSON | 48 | Head | Farm Laborer | Maryland |
| 56 | Carrie E. Griffith | 44 | Wife-H | Housework | Maryland |
| 57 | Howard Griffith | 18 | Son | Farm Laborer | Maryland |
| 58 | Cora M. Griffith | 16 | Daughter | — | Maryland |
| 59 | Woodrow Griffith | 13 | Son | — | Maryland |
| 60 | Mary J. Griffith | 10 | Daughter | — | Maryland |
| 61 | Clara E. Griffith | 8 | Daughter | — | Maryland |
| 62 | Calvin W. Griffith | 6 | Son | — | Maryland |
| 63 | Kathryn M. Griffith | 4 | Daughter | — | Maryland |
| 64 | Thelma B. Griffith | 2 | Daughter | — | Maryland |
| 65 | Walter N. Griffith | 0 | Son | — | Maryland |
| 66 | Margaret Gerhard | 33 | Boarder | Servant | Maryland |
| 67 | John Wagner | 35 | Head | Farm Laborer | Maryland |
| 68 | Thomas J. Coale | 55 | Head | Farm Laborer | Maryland |
| 69 | William T. Warrick | 28 | Head | Driver | Maryland |
| 70 | Anna K. Warrick | 22 | Wife-H | — | Holland |
| 71 | Dolores H. Warrick | 1 | Daughter | — | Maryland |
| 72 | William J. Warrick | 81 | Father | — | Italy |
| 73 | Herbert Roach | 19 | Boarder | Farm Laborer | New York |
| 74 | Milford F. Bayless | 75 | Head | Farmer | Maryland |
| 75 | John H. Stevens | 75 | Boarder | — | Maryland |
| 76 | Charles Green | 50 | Head | Farm Laborer | Maryland |
| 77 | Ida Ridgley | 42 | Housekeeper | Housekeeper | Maryland |
| 78 | James Silent | 10 | Son | — | Maryland |
| 79 | Beulah Silent | 9 | Daughter | — | Maryland |
| 80 | Walter Silent | 7 | Son | — | Maryland |
| 81 | Murray A. Mitchell | 41 | Head | Gen Laborer | Maryland |
| 82 | Sarah E. Mitchell | 26 | Wife-H | — | Maryland |
| 83 | Catherine M. Mitchell | 7 | Daughter | — | Maryland |
| 84 | Anna B. Mitchell | 3 | Daughter | — | Maryland |
| 85 | Thomas Burkins | 51 | Head | Farm Laborer | Maryland |
| 86 | Goldie Burkins | 40 | Wife-H | — | Maryland |
| 87 | Mary S. Andrews | 68 | Head | — | Maryland |
| 88 | Herbert S. Burns | 29 | Head | Proof Assistant | North Carolina |
| 89 | Katherine V. Burns | 27 | Wife-H | — | Maryland |
| 90 | Lois C. Burns | 8 | Daughter | — | Maryland |
| 91 | Pauline K. Burns | 6 | Daughter | — | Maryland |
| 92 | Doris E. Burns | 1 | Daughter | — | Maryland |
| 93 | Stanley E. Morris | 40 | Head | Locomotive Engineer | Maryland |
| 94 | Alice M. Morris | 34 | Wife-H | — | Maryland |
| 95 | Alice F. Morris | 12 | Daughter | — | Maryland |
| 96 | Sarah E. Morris | 10 | Daughter | — | Maryland |
| 97 | Lillian V. Morris | 8 | Daughter | — | Maryland |
| 98 | Edna R. Morris | 6 | Daughter | — | Maryland |
| 99 | Vivian Morris | 4 | Daughter | — | Maryland |
| 100 | Stanley E. Morris | 3 | Son | — | Maryland |
Related Census Records
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)