Nick and Jeanette Callahan are announcing the birth of their son, Jax Joseph, born Nov. 4, at 9:33 a.m. at Mercy One, Dubuque. Jax was 8 pounds 14 ounces and 21 inches long.

Jax joins siblings Tanner, Norah and Brock.

Grandparents are Terry and Vicky Fischer and Mike and Donna Callahan.