I have James Thomas Greenwell (b. 3 May 1891). I show him as the son of William Thomas Greenwell (b. abt 1855) and Laura Anne Redman (b. May 1856) daughter of John Redman and Jane Gatton. He married Phoebe Elizabeth Harten (b. Apr 1894) daughter of George Harten (b. 29 Oct 1854) and Elizabeth Elliot (b. Aug 1861) about 1911.

He and his family lived on Scotch Neck Road, just off of Clarks Landing Road in Hollywood, Maryland.

I also have a few differneces in names than what you posted, based on the 1920/30 census.

1930 United States Federal Census
about James T Greenmell
Name: James T Greenmell
[James T Greenwell]
Gender: Male
Birth Year: abt 1891
Birthplace: Maryland
Race: White
Home in 1930: Hillville, St Mary´S, Maryland
Marital Status: Married
Relation to Head of House: Head
Spouse's Name: Pheoh E Greenmell
Father's Birthplace: Maryland
Mother's Birthplace: Maryland

Household Members: Name Age
James T Greenmell 39
Pheoh E Greenmell 36
Helen G Greenmell 18
Marie C Greenmell 17
Elizabeth A Greenmell 15
George S Greenmell 13
Mary E Greenmell 12
Thomas J Greenmell 8
Daniel G Greenmell 7
Joseph P Greenmell 5
Aloyouis J Greenmell 3
[3 11/12]
Lewis E Greenmell 1
[1 8/12]

His WWI draft card proves his birth date and wife's name.

Hope this helps.

Randy