[6] This led to a conflict within his party when President George W. Bush spoke in favor of an amendment to the United States Constitution to ban same-sex marriage.

[8] Catania announced his endorsement of the Democratic presidential candidate, John Kerry, one week prior to the convention.

In 2001, Catania voted in favor of legislation that overturned the results of a popular referendum limiting members of the D.C. Council to two terms.

[18] In February, Catania opened a District-based lobbying firm with Benjamin Young, his former chief of staff and campaign manager.

[20] Catania married floral designer Bill Enright on August 5, 2017, in a ceremony officiated by his former Council colleague Mary Cheh.