I found the following notice of probate and in looking for him, I found that he served in several smaller parishes in Webster County, Iowa. I was hoping to find an obituary or some other notice of his travels, but I haven't found any.
Times-Republican
Marshalltown, Iowa
9 Nov 1911
PROBATE FATHER KELLY'S WILL.
Leaves Money to Brothers and Sister In Ireland.
Fort Dodge, Nov. 9—The will of the late Rev. D. J. Kelly was probated yesterday in district court. Rev. Father P. J. O'Connor, chancellor of the Sioux City dioceses of tho Catholic church, was made administrator. The following bequests were made:
To his brother, Bernard Kelly, of Ireland. $2,000.
To his sister, Mary Kelly, in Ireland, $2,000.
To his brother, Owen Kelly, in Ireland. $500.
To his brother, Cornelius Kelly, in New Jersey, $100.
To Mary McGough. Duncombe, $400. (she is his housekeeper in the 1910 census)
The Rev. P. J. O'Connor. Sioux City, for saying masses for the repose of the souls of his father and mother, $500. To Rev. O'Connor for saying masses for the repose of Father Kelly's soul. $500.
findagrave memorial in Fort Dodge, Webster, Iowa:
https://findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Kelly&GSbyrel=all&GSdyrel=all&GSst=14&GScnty=640&GScntry=4&GSob=n&GRid=17041253&df=all&