He appears to be on the 1880 federal census mortality schedule, which covers people who died between 1 Jun. 1879 and 31 May 1880.
Coulter, Alexander, age 54, male, white, married, born Scotland, parents born Scotland, occupation - shipmaster, died in October, cause of death - valv. dis. of heart, resident of county - 1/12, place of death - 27 Broadway, name of attending physician - H. Woltman, cor.