JM
James May — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James May across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 45
b. ~1885
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | May |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Carpenter |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James May | Head | — | 45 | ~1885 |
| John May | Son | — | 18 | ~1912 |
| Maud May | Spouse | — | 41 | ~1889 |
Census Appearances
1920
Baltimore, Maryland
Head, age 35
Baltimore, Maryland · implied b. ~1885
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | May |
| Given Name | James S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Fertilizer |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 45
Baltimore, Maryland · implied b. ~1885 — 3 household members
| Surname | May |
| Given Name | James E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Carpenter |
| Industry | Building Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 54
Baltimore-City-County, Maryland · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mays |
| Given Name | James C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Carpenter |
| Industry | Copper Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1164 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| 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 May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James May
Head · 1930 · age 45 · b. ~1885 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus854unit:0252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary A. Delway | 48 | Wife | — | Poland |
| 52 | Margaret A. Delway | 22 | Daughter | Typist | Maryland |
| 53 | Joseph E. Delway | 17 | Son | — | Maryland |
| 54 | Thomas Delway | 13 | Son | — | Maryland |
| 55 | Danny Delway | 31 | Son | Auto Mechanic | Maryland |
| 56 | Linda V. Delway | 30 | Daughter-in-law | — | Virginia |
| 57 | Jane R. Delway | 5 | Granddaughter | — | Maryland |
| 58 | William B. Delway | 3 | Grandson | — | Maryland |
| 59 | Joseph H. Stallings | 53 | Head | Carpenter | Maryland |
| 60 | Emma L. Stallings | 52 | Wife | — | Maryland |
| 61 | James W. Stallings | 24 | Son | Bookkeeper | Maryland |
| 62 | Paddy George M. Stallings | 46 | Lodger | Waiter | Maryland |
| 63 | Alice B. Bowman | 71 | Head | Dressmaker | Minnesota |
| 64 | Isaac A. Booth | 53 | Head | Bookkeeper | Maryland |
| 65 | Mary Booth | 53 | Wife | — | Maryland |
| 66 | Cora A. Lester | 61 | Sister-in-law | — | Maryland |
| 67 | Julia I. Lester | 59 | Sister-in-law | Tracer | Maryland |
| 68 | James E. May THIS PERSON | 45 | Head | Carpenter | Maryland |
| 69 | Maud F. May | 41 | Wife | — | Maryland |
| 70 | John M. May | 18 | Son | — | Maryland |
| 71 | Annie R. Tevis | 57 | Head | Clerk | Scotland |
| 72 | Elizabeth Tevis | 26 | Daughter | Clerk | New Jersey |
| 73 | Kate L. O'Brien | 69 | Head | — | Irish Free State |
| 74 | Nellie M. O'Brien | 38 | Daughter | Librarian | Maryland |
| 75 | Leo K. O'Brien | 35 | Son | Salesman | Maryland |
| 76 | George E. Schulwachter | 38 | Head | Clerk | Maryland |
| 77 | Nellie R. Schulwachter | 27 | Wife | — | North Carolina |
| 78 | Doris Schulwachter | 9 | Daughter | — | North Carolina |
| 79 | A. B. Granger | None | Head | — | US |
| 80 | Dorothy A. Granger | None | Wife | — | US |
| 81 | Dorothy A. Granger | None | Daughter | — | US |
| 82 | Ann Granger | None | Daughter | — | US |
| 83 | Henry M. Schlatman | 56 | Head | Baker | Germany |
| 84 | Anton Schlatman | 54 | Brother | Waiter | Germany |
| 85 | Clement Schlatman | 52 | Brother | Laborer | Germany |
| 86 | John L. Kirkwood | 43 | Head | Salesman | Maryland |
| 87 | Paula A. Kirkwood | 41 | Wife | — | Maryland |
| 88 | Samuel M. Kirkwood | 13 | Son | — | Maryland |
| 89 | Robert B. Kirkwood | 9 | Son | — | Maryland |
| 90 | John D. Jackson | 60 | Lodger | Conductor | Maryland |
| 91 | John F. Waller | 42 | Head | Graphologist | Missouri |
| 92 | Marion R. Waller | 12 | Daughter | — | Maryland |
| 93 | Anna E. Singer | 56 | Servant | Housekeeper | Maryland |
| 94 | Mary E. Widgeon | 66 | Head | — | Maryland |
| 95 | Ethel M. Widgeon | 38 | Daughter | Social Worker | Maryland |
| 96 | Alice L. Widgeon | 30 | Daughter | Teacher | Maryland |
| 97 | Annie Cook | 60 | Sister | — | Maryland |
| 98 | Althea E. Bush | 48 | Head | Recorder | Maryland |
| 99 | Ella E. Bush | 46 | Sister | Secretary | Maryland |
| 100 | William G. Childs | 60 | Head | Dept. Mgr. | 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)