- Bats Unknown, Throws Unknown
- Debut April 18, 1890
- Final Game May 11, 1890
- Born November 5, 1861 in Waterbury, CT USA
- Died July 28, 1934 in Waterbury, CT USA
The personal information long listed next to Phelan's playing record in Baseball Encyclopedias is erroneous, as it relates to a different man with a similar name. In 2010, SABR researcher Richard Malatzky found Phelan's descendant and the correct information regarding the ballplayer.
- "Dan Phelan", in Bill Carle, ed.: Biographical Research Committee Report, SABR, July/August, 2010, pp. 1-2.