All the Census data on JOB. There is exactly one Betelle listed in the USA. He has no memory of James. “Harry” is most likely James, as the birth year matches.
1880 census – Wilmington, New Castle Co, DE,
NA Film Number – T9-0119
p. 318 D
Name /Relationship /Marital Status /Gender /Race /Age /Birthplace /occupation /Fathers Birthplace
John W. BETELLE Self M Male W 33 DE Clerk In Freight Office DE DE
Annie BETELLE Wife M Fem W 29 DE Keeping House DE PA
Oscar BETELLE Son S Male W 8 DE At School DE DE
Harry BETELLE Son S Male W 1 DE DE DE
Emma BETELLE Sister S Fem W 19 DE DE DE
1900 census –
James O Betelle
Wilmington Ward 7, New Castle, Delaware
Born abt 1880 in Delaware
Son (relationship to HOH)
Oscar in 1880, might be Frank in 1900, same age, also living in New Castle Co. DE
1910 census –
Betelle, James G. , age 31, Male, white, born in DE, living in NY County, NY at census time – Ward 21, Manhattan,
(series T624, roll 1037, p. 200)
Household visit # 30; Family visit # 148; lived at 117 E 31st St, Manh. as a lodger in the household of Harriet Miles, age 21, born in IA . James was already an architect by 1910.
1917-1918 – WW1 Draft rrecords, he registered from Newark, Essex CO, NJ; roll 1712361; draftboard #2, birthdate April 1 1879.
Entry in: Who Was Who in America. Volume 6, 1974-1976. Chicago: Marquis Who’s Who, 1976. (WhAm 6)