[1] James Crossin, who was of Irish American heritage, worked as a miner, and a day laborer.

[1][2] Frank Crossin had nine siblings; brothers James, William, Edward, John, Joseph, and Leo; and sisters Alice, Marian, and Alberta.

[4] In 1912, Crossin signed his first professional baseball contract with the Binghamton Bingoes of the Class-B New York State League.

[4] Crossin played with future, and former Major League Baseball (MLB) players Jack Barnett, Cad Coles, Rankin Johnson, Jim Jones, Harry Lumley, John McCloskey, Chick Robitaille, and Allan Sothoron.

[6] Early in the season, Crossin replaced Binghamton's regular catcher George Vandegrift at that position.

[4] Times Leader described Crossin as "one of the sensations of the league", and wrote that he had a "remarkable throwing and hitting" ability.

[5] On July 11, Crossin was sold to the MLB St. Louis Browns, but was allowed to finish the season with Binghamton.

[4] Crossin's friends accompanied him to the Lehigh Valley Railroad Station before he left for spring training.

[8] As a part of their earlier deal, the St. Louis club had to pay the Binghamton Bingoes US$1,500 to use Crossin's services during the 1913 season.

On January 20, 1914, Crossin was traded by the Binghamton Bingoes to the Nashville Vols of the Class-A Southern Association.

On April 19, Crossin hit a bases loaded triple, which helped the Browns beat the Chicago White Sox.

With the Browns that year, he batted .122 with five runs scored, 11 hits, one double, one triple, five RBIs, and three stolen bases in 43 games played.

[15] On June 8, Crossin was sold by Louisville to the Atlanta Crackers of the Double-A Southern Association.

[21][22] In 1919, Crossin returned from the war, and signed with the Reading Coal Barons of the Double-A International League.

[23] By 1930, Frank and Margaret Crossin had three children; sons Francis, Jr. (who became a professional basketball player) and John, and daughter Mary.