Barlow was married to Caroline Miller Barlow (1891-1979) and his son, John Peleg Barlow (1918--1985) was an oceanographer at Cornell University and Woods Hole Oceanographic Institution.
Barlow was married to Caroline Miller Barlow (1891-1979). His son, John Peleg Barlow (1918--1985), was an oceanographer at Cornell University and Woods Hole Oceanographic Institution.